caterpillar rd4
![]() | 1935 - 1940
Agricultural Crawler tractor | 1935 - 1940 | Agricultural Crawler tractor |
|---|---|---|---|
1935 - 1940 | |||
Agricultural Crawler tractor | |||
1935 - 1940 | |
|---|---|
Agricultural Crawler tractor |
Production | |
|---|---|
Manufacturer | Caterpillar |
Agricultural Crawler tractor | |
Built in Peoria, Illinois, USA | |
Caterpillar RD4 Engine | |
|---|---|
Caterpillar 5.1L 4-cyl diesel | |
Engine details ... |
Caterpillar RD4 Transmission | |
|---|---|
5-speed gear | |
Transmission details ... |
Caterpillar RD4 Power | |
|---|---|
Drawbar (tested) | 35.06 hp
26.1 kW |
Belt (tested) | 39.82 hp
29.7 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Photos | |
|---|---|
![]() | |
Caterpillar RD4 photos... |
Dimensions & Tracks | |
|---|---|
Tracks | |
Full dimensions and tracks ... |
RD4 Serial Numbers | |
|---|---|
1936 | 4G1 |
1937 | 4G3663 |
1938 | 4G8858 |
1939 | 4G9912 |
FAQ: How to read a serial number table. | |
Recommended Products
Advertisement · Featured Tractor-Related Products

Tractor Backhoe Attachment with Mechanical Thumb
The MechMaxx BH660 backhoe is a reliable solution for a wide range of digging and excavation tasks. Designed to fit CAT I 3-point hitch tractors, it requires a minimum of 15 PTO horsepower and a tractor weight of at least 1,500 lbs. This backhoe is ideal for ditching on farms and grazing lands, digging pools, cleaning waterways, as well as assistant excavating work in construction and building roads.

WEIZE Lawn Garden AGM Battery, 12V 350CCA BCI Group U1 SLA Starting Battery
Power your lawn tractors and mowers with the high-quality Weize BCI group U1 Battery. This SLA, AGM battery provides 12V of reliable power and has a 350 Cold Cranking Amps rating.

John Deere Original Equipment Cool-Gard II PRE-Mix
COOL-GARD II PRE-MIX, 1 GAL;3.78L. DO NOT ADD WATER. Prediluted Engine Coolant. Heavy-duty, low-silicate, high performance antifreeze/coolant. This is a OEM John Deere Part.

TY24416: Multi-Purpose Heavy-Duty (HD) Lithium Complex Grease
High-temperature and extreme-pressure grease -15 to 350°F (-26 to 177°C) Heavy-duty, long-lasting grease High-quality grease in heavy-duty applications where lithium greases are recommended or preferred
* This page contains affiliate links, purchases may generate revenue for this site

