Bulldozer Manual D10r
Units:. Engine Model Cat® C27 ACERT™ Cat® C27 ACERT™ Flywheel Power 600.0 HP 447.0 kW Bore 5.4 in 137.0 mm Stroke 6.0 in 152.0 mm Displacement 1648.0 in³ 27.0 l Engine Power - Gross SAE J1995.
(FWD/REV) 471/571 kW (632/766 hp) 471/571 kW (632/766 hp) Engine Power - ISO 14396 (FWD/REV) 462/562 kW (620/754 hp) 462/562 kW (620/754 hp) Engine Power - Net SAE J1349/ISO 9249 (FWD/REV) 447/538 kW (600/722 hp) 447/538 kW (600/722 hp) Note (1).Excludes all fan losses.Excludes all fan losses. Emissions U.S. EPA Tier 4 Final U.S. EPA Tier 4 Final Engine Power - Net SAE J1349/ISO 9249 DIN (FWD/REV) 608/732 hp 608/732 hp Net SAE J1349/ISO 9249 (FWD/REV) 447/538 kW (600/722 hp) 447/538 kW (600/722 hp) Net SAE J1349/ISO 9249 DIN (FWD/REV) 608/732 hp 608/732 hp Note (2) Engine ratings apply at 1,800 rpm. Engine ratings apply at 1,800 rpm. Note (3) Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, muffler, alternator, fan, and engine emissions controls as required.
Optional hydraulic control. Two additional valves for ripper function. • hydraulic shank pitch adjustment. • adds 102 kg (226 lb). D10R Track-Type Tractor. Caterpillar D10R Dozer Good condition Just had Tracks and Sprockets fitted 1000 hr. 2004 CAT D10R, 20202 hours Good condition and has been well.
Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, muffler, alternator, fan, and engine emissions controls as required. Note (4) No derating (in FWD gears) required up to 4572 m (15,000 ft) altitude. No derating (in FWD gears) required up to 4572 m (15,000 ft) altitude. Weights Operating Weight 154700.0 lb 70171.0 kg Shipping Weight 109775.0 lb 49793.0 kg Note (1) D10T2 Operating Weight includes coolant, lubricants, full fuel tank, ROPS, FOPS cab, SU ABR bulldozer, dual tilt, single-shank ripper with pin-puller, fast fuel, 610 mm/24 in ES shoes, and operator.
D10T2 Operating Weight includes coolant, lubricants, full fuel tank, ROPS, FOPS cab, SU ABR bulldozer, dual tilt, single-shank ripper with pin-puller, fast fuel, 610 mm/24 in ES shoes, and operator. Note (2) D10T2 Shipping Weight includes coolant, lubricants, 10% fuel, FOPS cab, fast fuel, and 610 mm/24 in ES shoes. D10T2 Shipping Weight includes coolant, lubricants, 10% fuel, FOPS cab, fast fuel, and 610 mm/24 in ES shoes.
Hydraulic Controls Pump Type Variable displacement piston Variable displacement piston Bulldozer Relief Valve Setting 4061.0 psi 28000.0 kPa Tilt Cylinder Relief Valve Setting 2944.0 psi 20300.0 kPa Ripper - Lift - Relief Valve Setting 4061.0 psi 28000.0 kPa Ripper - Pitch - Relief Valve Setting 4061.0 psi 28000.0 kPa Combined Pump Output - Implement 100.4 gal/min 380.0 l/min Note (1) Pump output measured at 1,800 rpm engine speed. Pump output measured at 1,800 rpm engine speed. Note (2) Electro-hydraulic pilot valves assist operations of ripper and dozer controls. Electro-hydraulic pilot valves assist operations of ripper and dozer controls. Note (3) Complete system consists of pump, tank with filter, oil cooler, valves, lines, and control levers. Complete system consists of pump, tank with filter, oil cooler, valves, lines, and control levers.
Standards FOPS Falling Objects Protective Structure (FOPS) meets the following criteria: ISO 3449:2005 LEVEL II. Falling Objects Protective Structure (FOPS) meets the following criteria: ISO 3449:2005 LEVEL II. ROPS Rollover Protective Structure (ROPS) meets the following criteria: ISO 3471:2008. Rollover Protective Structure (ROPS) meets the following criteria: ISO 3471:2008.
Sound (1) The exterior sound pressure level for the standard machine (ISO 6395) is 115 dB(A)/111 dB(A) (sound suppressed). The exterior sound pressure level for the standard machine (ISO 6395) is 115 dB(A)/111 dB(A) (sound suppressed). Sound (2) The operator equivalent sound pressure level (ISO 6396) is 77 dB(A)/74 dB(A) (sound suppressed). The operator equivalent sound pressure level (ISO 6396) is 77 dB(A)/74 dB(A) (sound suppressed).
Air Conditioning System Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg (4.2 lb) of refrigerant which has a CO2 equivalent of 2.717 metric tonnes (3.0 tons).
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg (4.2 lb) of refrigerant which has a CO2 equivalent of 2.717 metric tonnes (3.0 tons). Mainframe Strength Helping you get more done with maximum availability, the D10T2's durable design makes repair and maintenance easy. Customers can rebuild these tractors several times using the same frame with only minor repairs. The D10T2 mainframes are built to absorb high impact shock loads and twisting forces encountered during severe dozing and ripping applications. The main case, equalizer bar saddle, and front cross member are heavy duty steel castings incorporated into highly loaded areas of the mainframe to improve stress distribution for improved durability.
Top and bottom rails are made from continuous rolled sections, providing superior mainframe durability. The main case elevates the final drives well above the ground level work area to protect them from impact loads, abrasion and contaminants. The pivot shaft and pinned equalizer bar maintain track roller frame alignment and allow the roller frame to oscillate for smoother ride. Equalizer Bar End Pins Proper grease lubrication on working surfaces can significantly extend component life and help lower maintenance cost. The remote lubrication for the D10T2 is performed from a service point conveniently located on the left hand fender and allows an operator or service technician to lubricate both the left-hand and right-hand equalizer bar end pin bearings and pins from one service point. Adding the optional autolube system allows the operator to tailor the amount of grease needed for each application by volume and service interval through the Information Display. Cerner training manual. C27 with ACERT Technology The evolution of the D10T to the D10T2 is all about maximizing productivity while increasing fuel efficiency.
The Cat C27 engine with ACERT Technology delivers power and reliability, ensuring top performance, high productivity, and exceptional service life. The C27 ACERT engine performs at full rated net power (SAE J1349/ISO 9249) of 447 kW (600 hp) at 1,800 rpm with a high torque rise of 21 percent (in forward gears), allowing the D10T2 to doze through tough material. Matched with a high efficiency torque divider and electronically controlled power shift transmission, it will provide years of dependable service. Power Management Helping you maximize the material moved for every drop of fuel, the C27 ACERT engine utilizes the A4E4 Engine Controller, which automatically switches engine power settings based on direction of travel. The D10T2 can deliver rated net power (SAE J1349/ISO 9249) of 538 kW (722 hp) in reverse. With approximately 20% more power in reverse you can return faster for reduced cycle times increasing productivity and lowering the cost per unit of material moved.
Air-to-Air Aftercooling Bringing more cool air into the engine increases power generation, lowers emissions, and improves fuel efficiency. Air-to-Air Aftercooling on the D10T2 cools hot, compressed air coming out of the turbocharger providing cooler and denser air into the air intake system. The D10T2 meets Tier 4 Final emission standards using:. Cat NOx Reduction System captures and cools a small quantity of exhaust gas, then routes it into the combustion chamber where it drives down combustion temperatures and reduces NOx emissions. Diesel Oxidation Catalyst (DOC) – uses a chemical process called oxidation to condition exhaust gases to meet emission standards.
MEUI™-C Fuel System delivers increased fuel efficiency, while further reducing NOx emissions. Ultra Low Sulfur Diesel (ULSD) Fuel and Low Ash Oil are required. Biodiesel blends up to B20 (20% blend by volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or less ULSD. The D10T2 provides durable, efficient cooling for the most demanding conditions encountered on job sites. Aluminum Bar Plate Radiator – 6 fpi Cooling system uses a two-part radiator built with rugged, highly efficient aluminum bar plate cores.
The aluminum bar plate construction aids durability and allows for higher heat transfer and superior corrosion resistance. Hydraulic Oil to Air Cooler Helping to save on repair and maintenance costs, the oil to air hydraulic cooler helps extend component life by reducing hydraulic oil temperatures.
Hydraulically Variable, Demand Fan Customers experience increases in production and fuel economy as well as reductions in fan noise and engine overcooling with the hydraulically variable demand fan. The demand fan operates to match the ambient conditions. In cooler environments, the fan turns at a slower speed; it consumes only the power required to cool the tractor systems, providing more power to the tracks to help you lower your cost per unit of material moved. Attachments. Reversible cooling fan. Mesabi radiator.
Fuel efficiency and performance are improved with field-proven load-sensing implement hydraulics on the D10T2, which respond to operating requirements by automatically and continually adjusting implement hydraulic power. Tractor performance is improved because hydraulic flow is provided only when implement commands are made. Therefore, more horsepower is available at tracks to move the machine ahead. The D10T2 Load-sense hydraulics have improved multi-function interaction providing enhanced control of blade during dozing allowing for efficient movement of material. Twin implement pumps matched with newly designed valves offer simultaneous dozer commands such as tilt, pitch, and lift, as well as simultaneous ripper commands like lift and pitch. This functionality increases performance and improves operator efficiency. The D10T2 provides unmatched single and dual tilt pry-out forces.
The machine now has individual tilt valve sections that provide equal tilt pry-out force on left and right sides with dual tilt. The D10T2 power train design optimizes performance and ease of operation helping customers get more done for the lowest cost per unit. Advanced Productivity Electronic Control System (APECS) Is a key contributor to improved speed shift performance and quality in the D10T2. The operator will notice enhanced comfort during speed shifting resulting in an increased level of operator productivity. Most importantly, the improved shift quality provided by APECS is a key enabler to obtaining the full benefits of Enhanced Autoshift (EAS). Enhanced Autoshift (EAS) A standard feature for the D10T2 is EAS.
EAS improves fuel efficiency and productivity by automatically selecting the optimal gear and engine speed combination based upon power train load and desired ground speed. This feature functions similar to an automatic transmission. EAS functionality combined with the increased power in reverse will enhance productivity when backing up on slopes. Bi-directional Shift This convenience feature helps reduce operator work load during operation. Bi-directional shift allows the operator, by just making a directional change, to automatically select the desired forward and reverse gears or the desired forward and reverse speeds when EAS is activated.
Bulldozer Manual D10r Caterpillar
Auto Downshift This feature adds value by enhancing safety and productivity during the dozing cycle. When not in EAS mode, Auto downshift can be used to automatically downshift the transmission when significant load increases are detected, but this feature will not automatically up-shift when load is reduced. Auto downshift provides optimal performance with minimal operator effort. Operator may override these automatic shift features at any time. Torque Divider A single stage torque converter with output torque divider sends 75% of engine torque through the converter and 25% through a direct drive shaft for greater driveline efficiency, higher torque multiplication, and ease of operation. Planetary Powershift Transmission Three speeds forward and three speeds reverse, utilizing large diameter, high-capacity, oil-cooled clutches.
Modulation system permits smooth speed and direction changes with Advanced Productivity Electronic Control System (APECS). Oil-to-water cooler for maximum cooling capacity. Forced oil flow lubricates and cools clutch packs to provide maximum clutch life. Modular transmission and bevel gear slide into rear case for easy servicing, even with ripper installed. Steering Clutch and Brake Fade resistant and adjustment free.
The multi-disc, oil-cooled steering clutches are hydraulically applied and electronically controlled. The brakes are applied by springs and hydraulically released for safe and reliable braking performance. Steering clutches, brakes and final drives can be removed as a unit from each side of the tractor. The elevated sprocket and suspended undercarriage work together, increasing traction while creating a smoother ride for your operators. The elevated sprocket design transfers implement shock loads to the mainframe, so final drives, axles and steering components are isolated from harsh impacts. These benefits translate into higher production and longer component life.
Bogie Suspension allows the track to conform to ground condition, providing up to 15% more ground contact, especially in hard, uneven terrain. Higher traction means less slippage, better balance, and a smoother ride. The integrated carrier roller mount is fabricated into the track roller frame making it easy to add optional carrier rollers in the field. To further enhance durability where operating loads are highest, the redesigned roller frames consist of three (3) main castings to resist bending and twisting. The roller frame improvements also include larger rear major bogie pivot pins, redesigned carrier roller mounting pads, and improved major bogie mounting locations.
Track master link with single tooth and coarse thread bolts provide superior reliability and durability. Bulldozers All blades feature a strong box-section design that resists twisting and cracking. Blades are made of high tensile strength steel that stands up to the most demanding applications. Heavy moldboard construction and hardened bolt-on cutting edges and end bits add strength and durability. High-Capacity Universal Blades – Offers optimal capacity for moving big loads over long distances. Semi-Universal Blades – Built for tough applications where penetration is important. Dual Tilt – Allows the operator to optimize blade pitch angle.
Cutting Edges and End Bits – Cutting edges are made of DH-2™ steel. End bits are made of DH-3™ steel for maximum service life in tough materials. Cat Work Tools offer a range of special application blades, including a coal stockpile blade, cushion dozer blade, reclamation blade, and a wood chip blade. Rippers Rippers are made to penetrate tough material fast and rip thoroughly for use in a variety of materials. Single-Shank Ripper – Built for tough ripping conditions and greater ripping depth. Operator can adjust the shank depth from the seat using an optional single-shank pin puller.
Large upper frame view hole improves ripper tip visibility. Multi-Shank Ripper – Generally for lighter duty ripping applications in less severe materials.
Provides high levels of productivity. Tailors the tractor to the material by using one, two or three shanks. Deep-Shank Tooth – Optional deep tooth ripper shank for both single and multi-shank rippers. CapSure™ Hammerless Ripper Tip and Shank Protector Retention System The tip and shank protector are easily installed with a 180 degree turn of a ¾ inch ratchet.
This simple installation means no hammering and therefore improved safety. It also means quicker change outs and less downtime.
Rear Counterweights Rear counterweights provide proper tractor balance to maximize dozing production. It is recommended if not equipped with any other rear attachment.
The D10T2's cab design provides ergonomic controls, intuitive monitoring systems, and enhanced visibility. All of the new features within the D10T2 operator station provide an industry leading operator environment that helps contribute to high levels of productivity, efficiency, and comfort. Comfortable Operation. Standard machine provides 77 dB(A) operator noise levels. Lower sound levels are available if optional sound suppression packages are installed.
Bulldozer Manual D10r For Sale
Cat Optimized Seat has six way adjustment control for optimal support and comfort. Seat side bolsters restrain side-to-side movement, especially when working on side slopes.
The automatic climate control system automatically adjusts heating and air conditioning controls to maintain a consistent cab temperature throughout the day. Wide Panoramic View. For enhanced safety and production, the operator station offers an exceptional viewing area. The tapered hood, notched fuel tank, and narrow ripper carriage gives the operator a clear line of sight to front and rear work areas. Information Display. The multi-color/touch screen display located at the front of the right hand console is the operator's gateway to monitoring machine performance and a convenient way of modifying machine parameters to tailor performance to the current task.
The Information Display screen is larger, faster, and more powerful with increased memory and intuitive menu structure. The Work Monitor menu screen within the Information Display collects machine data and provides real-time feedback on machine performance to optimize productivity. Additional features:. Secondary Engine Shutdown Switch.
Communications radio mounting. Entertainment radio ready and IPOD/MP3 player ready. Power point plug-in on the right side console (12-volt laptop and wireless phone compatible). Optional heated and ventilated seat.
Optional 5th Percentile Arrangement provides proper ergonomics for smaller operator. Optional Dual Pane Impact Resistant Glass. Optional Cat Ultra Strength 40 psi Glass Implement and Steering Controls Finger Tip Controls (FTC) requires less effort and are more comfortable for long periods of operation. Electronic controls eliminate direct mechanical connections to the power train, resulting in reduced noise and vibration inside the cab. A low-effort electronic dozer control handle gives the operator complete control of all dozer functions with one hand. The ripper control handle is located to the operator's right, directly behind the dozer joystick.
A rigidly mounted hand grip provides firm support for the operator even when ripping in the roughest terrain. The D10T2 electronic systems have been completely integrated to function as one machine. This integration creates a smart machine and more informed operator maximizing the productivity of both. VIMS™ 3G – This system gathers historical trends, histograms, events and more through a wired connection for off-board analysis in applications such as VIMS PC. Product Link™/VisionLink® – Product Link enables the remote transmission of information about the location, operation, and condition of your equipment. Efficiently and effectively monitor performance of your assets to help keep your jobs on schedule, maintain equipment condition, and reduce the costs of owning and operating your fleet.
Automated Blade Assist (ABA) – Increases efficiency while reducing operator workload. ABA makes use of preset blade pitch positions. ABA is standard on the D10T2 when it is equipped with optional dual tilt. AutoCarry™ (optional) – Provides automatic blade control during the carry segment of the dozing cycle by measuring ground speed and track slip with a robust Global Navigation Satellite System (GNSS) chassis mounted receiver. Blade position is changed automatically to keep slip at optimum level for best performance. It is intended to enhance the operator's productivity in high production earthmoving applications with carry distances over 30.5 m (100 ft).
Automatic Ripper Control (optional) – New feature that reduces operator fatigue and decreases wear and tear on the machine. This is done by monitoring the tractor speed with the ROPS mounted GNSS to automatically adjust engine speed and ripper depth to minimize track slip.
Cat MineStar helps you manage everything from material tracking to sophisticated real-time fleet management, machine health systems, autonomous equipment systems and more. The capability sets: Fleet, Terrain, Detect, Health and Command can be used in combination or individually to allow your operation the flexibility and scalability it needs to be more productive, efficient and safe.
Fleet (optional) gives mines a comprehensive overview of all operations with real-time machine tracking, assignment and productivity management. Terrain for Grading (optional) is a state-of-the art machine guidance system that delivers real-time productivity information to operators of mine site grading equipment. Terrain features an in-cab display, satellite navigation technology, machine-mounted components and fully integrated office software. – In addition to the Terrain indicate only system, Caterpillar is releasing the next generation of the system with an (optional) Blade Control Feature. Building on proven software utilized in other Cat technology products, the new blade control feature not only automatically guides the blade to the desired design contours, but is also integrated with AutoCarry to sense and automatically control the load of the blade for improved performance and efficient blade loading in high production dozing applications. Detect (optional) enhances operators' awareness of the environment around their equipment, helping alleviate potential safety hazards and increasing operator confidence.
Health (optional) delivers critical event-based machine condition and operating data for your entire fleet, helping mines identify potential equipment problems long before failure. Command for Dozing (optional) removes the operator from the cab of the machine and enables remote control operation.
– An over-the-shoulder operator console provides line-of-sight remote control operation. – A comfortable remote operator station offers both line-of-sight and non-line-of-sight remote control. For more information visit cat.com/mining. Safety is Caterpillar's top priority. We constantly enhance product design and engineering to support customer safety goals and create safe working environments. Seat Belt Warning System This feature reminds the operator to engage the seat belt anytime the key is on – (LCD icon).
If the operator still does not engage the seat belt and places the machine in gear a chirping sound will be initiated. Operator Not Present Monitoring System This feature locks out the power train and hydraulics under certain conditions to prevent unintentional movement when the operator is not in the seat. Heavy Duty Steps and Handles Strategically placed grab handles plus non-slip steps and decking aid operator getting on and off the machine. Spectator Sound Reduction The D10T2 offers three options to control operator and spectator sound levels.
Options include:. Sealed bottom guards. Solid engine compartment enclosures with insulation.
Sound reducing idlers and machined sprocket segments. When all three options are ordered, the D10T2 sound suppression package can deliver a 4 dB(A) (ISO 6395) reduction in the average spectator sound power level and a 3 dB(A) (ISO 6396) reduction in the average operator sound pressure level from the non-sound suppressed cab option. Lighting Packages The D10T2 offers several lighting package options to enhance the operators' view of their surroundings during night operation. Halogen. High Intensity Discharge (HID). Cat Light Emitting Diode (LED) Work Lights Anchorage Points On the D10T2, anchorage points provide your people with a positioning system to perform repairs and maintenance.
The D10T2 consist of fourteen (14) total anchorage points. Four (4) on lift cylinder spray shields.
Four (4) on top surface of hood. Two (2) on front top of cab. Four (4) on ROPS structure Fire Suppression The D10T2 offers a fire suppression ready and fire suppression installed from the factory. Two (2) LVS 38 L (10 gal) tanks. 16 nozzles under the hood and operator station. Two (2) manual switches (one 1 in cab and one 1 at ground level service center).
Integrated control module. Display in cab Cat Powered Access System (optional) The Cat powered access system provides excellent access and egress to and from the cab, allowing easy access even in wet or freezing conditions. Electrically powered ladder deploys and stores in seconds. Rails on both sides of the ladder provide three-point contact.
Warning alarms will sound if the parking brake is released or the blade is raised when the ladder is down. Rear Platform and Guard Rails (optional) The platform provides access to the rear window for cleaning and repairing rear mounted lights. The walkway is a modular design so varying lengths can be used across the back of the tractor to meet unique customer needs.
Two Step Dozer Lift Cylinder Access Platform with Guard Rails This feature provides access to the lift cylinders for cleaning or repairing the mounted mirrors and lights. A key advantage of the D10T2's modular design is the ability to swap out a component with a pre-tested rebuilt or remanufactured unit that puts the machine back to work faster. Ground Level Service Options The ground level service center mounted on the ripper cylinder or counterweight provides easy access to:. Access lighting switch. Engine shutdown switch. Hydraulically raise and lower the ladder High Speed Oil Change Standard in the engine compartment the high speed oil change system allows control of fluids while increasing the speed of oil changes for both the engine and power train. On the D10T2 the high speed oil change has the option of being mounted on either a ripper or counterweight and can be serviced at ground level.
Ok-to-Start The Ok-to-Start strategy provides electronic fluid level verification at startup on the engine coolant, engine oil and power train oil systems. All information is available via the Information Display within the cab. Fast Fuel System The fast fuel system at ground level, with positive fuel shut-off to prevent fuel spillage, can reduce fuel waste and decrease downtime. Sustainable development for Caterpillar means leveraging technology and innovation to increase efficiency and productivity with less impact on the environment and helping you do the same – enabling your business to become more productive by providing products, services and solutions that use resources more efficiently. The new D10T2 offers a number of sustainable benefits:. Enhancements in engine fuel efficiency: – The D10T2 with a C27 ACERT engine meets Tier 4 Final emission standards and provides up to 2% better fuel efficiency over a D10T performing the same composite work cycle. Reduced operator and spectator sound levels result in less noise impact on the communities where they operate.
The new D10T2 offers an optional sound suppression package that delivers an operator sound level of 74 dB(A) (ISO 6396) and also delivers a spectator sound level of 111 dB(A) (ISO 6395) with a sound suppressed cab. The (optional) autolube system will help lower maintenance cost by eliminating the majority of labor required with daily point-by-point manual lubrication and cut grease consumption by delivering the exact amount required to each bearing or lube point. Major components of Cat dozers are designed to be rebuilt. The Cat Certified Rebuild program conserves natural resources by delivering a cost effective second and even third life for our machines.
Cat D3 Bulldozer Manual
Contents. History The Caterpillar D10 was the result of a need for a tractor larger than the. At this time, competitors were building bulldozers that were more powerful than the D9. Allis Chalmers introduced at Conexpo 69 in Chicago a 524 hp (391 kW) HD-41 which was the largest crawler in the world. In 1974 after AC and Fiat merged their construction equipment divisions the 524 hp 41-B was introduced. For example, the Fiat-Allis 41-B track-type tractor had 524 hp (391 kW) at the time, while the D9H had 410 hp (310 kW). In 1976 Japanese company came out with an even larger bulldozer called the D455A at 620 hp (460 kW) and 167,000 lb (76,000 kg).
The first pilot D10 was D10X1 and was shown in July 1973 at a big Caterpillar corporate meeting. Other prototypes would follow in 1975 and 1977. In March 1977, prototypes P-1 through P-10 would appear and be subsequently dispatched to different job sites. The D10 was introduced at a dealer meeting by Caterpillar in the fall of 1977. Between 1978 and 1986 nearly 1,000 D10s were made at Caterpillar's East Peoria plant.
The D10 had sales of their / competitive sized bulldozers combined. With the introduction of the N-Series tractors in 1986-87 their model numbers were pushed up. For example, the D9N replaced the D8L, the D10N replaced the D9L and the D11N replaced the D10. The D10 was so big that it could do about 50 percent more production that the then D9H. High Drive system. CAT D10N at work in,.
Among modern tractors, the high drive (elevated sprocket) design is unique to Caterpillar products. The concept originated in 1914 with Caterpillar predecessor C. Best Tractor's 30 Humpback; this tractor was discontinued a year later, and the only other tractor to use the concept until the D10's introduction was the Cletrac Model F, built between 1920 and 1922. The elevated sprocket eliminates the final drive system, inclined to frequent failure. This elevated drive sprocket undercarriage was built in modular form; breakdown of the tracks and removal of the drive sprockets was much easier.
The transmission can be removed from the rear because of the modular design. As the engine and drivetrain are mounted high in a traditional bulldozer, the from the differential exit above the, requiring a small gear on the end of the half shaft and another, larger one attached to the drive sprocket. The high-drive system eliminates the traditional final drive in favor of the planetary final drive, which withstands engine torque better, since it distributes the forces over multiple gear teeth instead of a single tooth as in the traditional system. The disadvantage is that the track moves around one more sprocket, reducing track life. Caterpillar claims to have alleviated this with the SALT (Sealed and Lubricated Track), a permanently lubricated track system which was introduced on their track-type tractors in the early 1970s. Introduction When the D10 was introduced in 1977, it was the most powerful track-type tractor ever built at 700 horsepower (520 kW). The Cat D10 could be ordered with up to a 19-foot (5.8 m) U-blade, and weighed in at 180,000 lb (82,000 kg).
Later versions weighed in at 190,000 lb (86,000 kg). The U-blade was 7 feet (2.1 m) high and could push 35 cu yd (27 m 3) according to Caterpillar's literature. The November 1977 issue of Excavating Contractor magazine had a 2-page story on the bulldozer titled 'Cat Uncorks The New D10'. One of the first D10s is currently sitting in front of the East Peoria, Ill plant where it was made. A picture of this D10 can be found on pages of a book titled'The Caterpillar Century' on pages 298-297.
Caterpillar put the 1,786 cid V-12 twin turbocharged D348 in the D10 to power it. This had already proven itself in the 777 off-highway hauler and the 550 hp 10 yard 992/992B wheel loaders from 1968 on. The early D10s came with a single big black exhaust stack up front.
But some engine problems came up with exhaust system routing which resulted in two exhaust stacks up front to correct this problem. This new look took root in 1980. At the time Caterpillar's bulldozer lineup was the 62 hp (46 kW) D3, 75 hp (56 kW) D4E, 105 hp (78 kW) D5B, 140 hp (100 kW) D6D, 200 hp (150 kW) D7G, 300 hp (220 kW) D8K, and 410 hp (310 kW) D9H with the addition of the 700 hp (520 kW) D10.
In 1986 an even larger dozer, the 770 hp (570 kW) N was introduced to replace the D10. The D11 carried on the success of the elevated drive sprocket system in large bulldozers. The currently available D10T model, and preceding D10R and D10N variants, are not the original D10's successors but the D11N, D11R and the current D11T are. Gallery.