120g Cat Grader Manual
Caterpillar 120G controlsThe Caterpillar 120G motor grader was introduced in 1974 in the USA and Canada. Production began in Australia a year later. Features The 120G has a 3304, four-cylinder engine producing 125 or 130 flywheel (FWHP). The 120G was manufactured in the USA, with a 87V serial number prefix; in Canada, with a 82V prefix; and in Australia, with a 11W prefix. The American unit has a. It comes standard with an, full controls, oil disc, and dual circuit air brake system. It has 125 FWHP.
View updated Caterpillar 120G Motor Grader specs. Get dimensions, size, weight, detailed specifications and compare to similar Motor Grader models. Every owner of the Caterpillar 120G Grader needs this manual! This 84 page manual contains valuable information such as proper operation and preventative. Find great deals for CAT 120g 130g Motor Grader Maintenance Manual Good #sebu5215 Caterpillar. Shop with confidence on eBay!
The Canadian unit comes standard with articulated steering and tandem drive. It has 130 FWHP. The Australian unit has a direct drive transmission. It comes standard with tandem drive, side shift, and a. It has 125 FWHP. Modifications In 1975 added a 19-amp alternator, beginning with 87V01735.
Cat 120g Grader For Sale
In 1976, a water separator and larger axles were added, and final drives were modified, beginning with 87V02262. Rimpull was increased, beginning with 87V02416. A was added, beginning with 82V00720. In 1977 Cat added an electric service meter, beginning with 87V02976. Two-cylinder steering was made standard, beginning with 87V03203.
Cat Grader Specs
In 1978 a water separator was added to the Canadian unit, beginning with 82V00850. Production in Canada ended in 1980. In 1980 a scroll metering fuel system (SMFS) and ether starting aid were added, beginning with 87V05275. In 1980 and 1983 Cat modified the drawbar by adding bronze alloy drawbar wear strips, beginning with 11W01033 and 87V05486.
In 1981 an electronic monitoring system was added and a low profile cab was made standard, beginning with 87V05734. A four gear planetary final drive was added, beginning with 11W01050 and 87V05791. In 1983 Cat modified the drawbar again, and added bronze alloy circle wear strips, beginning with 11W01137 and 87V06666.
In 1984 the SMFS was modified, beginning with 87V06979. In 1986 the moldboard curvature was changed, beginning with 87V08135. In 1987 new load sensing hydraulics were installed and an electric system update was done, beginning with 11W01251 and 87V08360.
At the same time the American unit received a 50-amp alternator. In 1989 belted steps were added, beginning with 87V09063. Cat also modified the static seat with a height adjuster, beginning with 87V09068. In 1990 the engine began running at 2000 revolutions per minute (RPM) to reduce platform vibration, beginning with 87V09327. In 1993 the electric horn was replaced with an air horn, beginning with 87V09599. The air conditioning refrigerant was changed to R-134A, beginning with 97V09732.
Production of 120G ended in 1995; it was replaced by the. Based on data from the sales database of, it is estimated that more than 12,200 Caterpillar 120G motor graders have been produced. Highest Serial # Australia 11W 01335 Canada 82V 00860 USA 87V 10095 Total = 12,290.
Cat 120g Grader Parts Manual
Caterpillar offers parts manuals, operation & maintenance manuals and service manuals. Parts Manuals contain detailed exploded views and part numbers of all serviced parts for Cat ® products. These manuals give the information needed to quickly identify and order genuine Cat parts to keep your machine running at peak performance. Operation & Maintenance Manuals (OMM) contain important safety, operating, and scheduled maintenance information for current or legendary Cat products.
Available in all languages in print, CD, or PDF download. Purchase Parts and Operation & Maintenance Manuals Service Manuals Contain procedures for safely and effectively testing, adjusting, troubleshooting, disassembling and assembling current or legendary Cat products. Systems schematics and detailed technical descriptions of systems theory are also included in these manuals.