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.

Jan 7, 2025 · Full dimensions and tracks ... Serial number plate on the rear of the tractor, upper-left of the transmission case. FAQ: How to read a serial number table. TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999.

5 days ago · According to the Cat SNID book the 7J started production in 1939 and the 5T D4 in 1943 and then the 6U @ 7U in 1947.

The Caterpillar D4 track-type series tractor is a small bulldozer manufactured by Caterpillar Inc.. It replaced the Caterpillar RD4 4G series. Caterpillar first introduced the D4 in 1938 as the diesel follow on to the successful CAT 30 gas model.[1]

Apr 7, 2021 · You can outfit your D4 with a variety of factory options designed to provide added protection in heavy-duty applications like forestry and land clearing. Please consult with your Cat dealer about the variety of options available to best equip your dozer for the work that you do:

Nov 15, 2023 · I found a 1939 model cat. Someone was fiddling with the starter engaging lever. I cant budge the pony engine or the big engine. The owner said he saw...

Oct 29, 2007 · cat D4 j series cat D4 j series. Showing 1 to 4 of 4 results MARTYN WILLIAMS. Topic Author. Offline Send a private message to MARTYN WILLIAMS ... RD4 7J-1 up with the same year it was made so maybe someone can explain that but maybe the RD4 7J was early 1939 & the D4 7J might have came out later that year but only guessing so don,t know.

The operator’s manual (sometimes referred to as the owner’s manual) is the manual that came with the Caterpillar crawler. It can be compared to the manual you receive in the glove box of a new car. This manual gives the owner-operator instructions, shift patterns, capacities and adjustment procedures. This is a very useful and valuable tool ...

Driving my Cat D4 up the driveway after finally moving it home.1939, 1940, 1941, 1942 Caterpillar, diesel, 7J, 7U, pony motor, D2. crawler dozer