Caterpillar® Model D6 serial numbers owners list. Caterpillar Model D6 4R1-4R3633. Le Tourneau cable blade & winch serial plate stamped US7 olive drab. This is a list of the prefix codes for Serial numbers used on caterpillar machinery that denote. I would like to know what horsepower is the Cat D6C, I think it has 3306 motor but does not have turbocharger. Is it good tractor??? Any input would. CATERPILLAR D6C For Sale. Serial Number: 10K5411. Condition: Used. Stock Number: JM5411. 1977 D6c caterpillar dozer under.
Caterpillar D6C controlsThe Caterpillar D6C crawler tractor was introduced in 1963 in the USA and Australia. Production began in Scotland in 1964; in Japan in 1966; and in Brazil in 1971. The initial D6C units have a D315 six-cylinder engine producing 120 flywheel (FWHP). It has a 74-inch (188-cm) track gauge and is offered with the choice of. Direct drive tractors were manufactured in the USA, with a 74A prefix, and in Australia with a 71A prefix.
Powershift tractors were manufactured in the USA, with 76A prefix, and in Australia with a 73A prefix. The 76A was unique because it came with a D333 engine instead of the D315.
In 1964, Caterpillar began installing the D333T engine in all new D6C units. Direct drive tractors were manufactured in Scotland, with an 82A prefix, and in Japan, with a 41A prefix. Powershift units were manufactured in Scotland, with an 83A prefix, and in Japan, with a 96A prefix.  Modifications Production of the 74A and 76A ended in 1967. Dvico Fusionhdtv5 Lite Drivers. Caterpillar released two new units to replace them.
Both units have a D333c six-cylinder engine producing 125 FWHP. They were also both equipped with oil-cooled and steering clutches. The direct drive unit was given a 99J prefix; the powershift, a 10K prefix. Production of the 71A, 73A, 82A, 83A, 41A, and 96A ended in 1968. New units, with D333c engines producing 125 FWHP, were introduced in Scotland and Japan in 1968, Australia in 1969, USA in 1970, and Brazil in 1971 and 1973.
The new direct drive tractors were manufactured in Scotland, with a 46J prefix; in Japan, with a 26K prefix; in Australia, with a 55J prefix; in the USA, with a 17R prefix; and in Brazil, with a 23U prefix. The new powershift tractors were manufactured in Scotland, with 47J prefix; in Japan, with a 69J prefix; in Australia, with a 56J prefix; and in Brazil, with 24U prefix. In 1971, Caterpillar increased the horsepower of many of the D6C units to 140 FWHP, beginning with 99J01551, 10K05984, 46J00664, 47J01688, 26K00794, 69J01984, and 24U00246. Also in 1971, Caterpillar began manufacturing a Low Ground Pressure D6C tractor, with an 83-inch (211-cm) track gauge. It was introduced in Japan as a direct drive unit, with a 90B prefix, and in the USA as a turbocharged powershift unit, with a 69U prefix. An LGP powershift unit, with a 3306T engine, began production in Japan in 1975, with a 49W prefix. Production in Australia (55J and 56J) ended in 1972.
A (ROPS) was added to American units in 1973, beginning with 99J01948, 69U00414, 10K09482, and 17R00642. The ROPS canopy was standardized in American units in 1975, beginning with 99J02556, 69U00619, 10K12049, and 17R01304.