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The Caterpillar D11 can be distinguished from the Komatsu D475 by the elevated drive sprocket, or "High Drive" system, which results in a triangular, rather than oval, shaped track. The updated version of the Komatsu, the D575A , is the world's largest production bulldozer at 168 short tons (152 t) and 1,150 hp (860 kW). [ 5 ]
Caterpillar D4H LGP (Low Ground Pressure) model, Eschborn, Germany. The Caterpillar D4 track-type tractor is a small bulldozer manufactured by Caterpillar Inc.. Caterpillar first introduced the RD4 in 1936, [1] as the diesel follow on to the successful CAT 30 gas model.
The Caterpillar D8 is a medium track-type tractor designed and manufactured by Caterpillar. Though it comes in many configurations, it is usually sold as a bulldozer equipped with a detachable large blade and a rear ripper attachment.
Caterpillar stock is a component of the Dow Jones Industrial Average. [11] Caterpillar Inc. traces its origins to the 1925 merger of the Holt Manufacturing Company and the C. L. Best Tractor Company, creating a new entity, California-based Caterpillar Tractor Company. [12]
The Caterpillar D7 is a medium track-type tractor manufactured by Caterpillar Inc. and most commonly used as a bulldozer. The D7 was first manufactured in 1938. A series of improved models were later produced, including the D7C in 1955, the D7D in 1959, the 160 hp (120 kW) D7E in 1961, the 180 hp (130 kW) D7F in 1969 and the 200 hp (150 kW) D7G ...
CAT D10N at work in Rishon LeZion, Israel. Among modern tractors, the High Drive (elevated sprocket) design was unique to Caterpillar products. The concept originated in 1914 with Caterpillar predecessor C. L. Best Tractor's 30 Humpback; [citation needed] 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 ...
A Caterpillar D5H parked on a construction site in South Florida. The Caterpillar D5 is a small track-type bulldozer manufactured by Caterpillar Inc. The original D5 series was only produced in 1939. [1] The current D5 series being produced is the D5K.
The 370 hp (280 kW) D9N replaced D8L in 1987 (this was due to a model number/size adjustment by Caterpillar in their larger bulldozer lineup at the time, allowing them to introduce a smaller D8N model below the larger D8L size). Due to the model adjustment, the D9L is the most powerful D9 in history, with a flywheel power of 460 hp (340 kW).