1934 - 1942 |
Agricultural Crawler tractor |
Nebraska Tractor Test 225 | |
4.1L gasoline 3-speed crawler September 24 - October 16, 1934 Link: Nebraska Tractor Test 225 file | |
Belt power (max): | 32.47 hp 24.2 kW |
Belt fuel use (max): | 3.7 gal/hour 14.0 l/hour |
Drawbar performance | |
Max power: | 27.15 hp 20.2 kW |
Max pull: | 5274 lbs 2392 kg |
Nebraska Tractor Test 320 | |
3.6L gasoline 5-speed crawler 1939 Link: Nebraska Tractor Test 320 file | |
Belt power (max): | 29.31 hp 21.9 kW |
Belt fuel use (max): | 3.6 gal/hour 13.6 l/hour |
Drawbar performance | |
Max power: | 23.46 hp 17.5 kW |
Gear 2 used for power test. | |
Max pull: | 5676 lbs 2574 kg |
Gear 1 used for pull test. |
1934 - 1942 |
Agricultural Crawler tractor |
Engines overview | |
Caterpillar 4.1L 4-cyl gasoline | |
Caterpillar 3.6L 4-cyl gasoline |
Engine Detail | |
Caterpillar | |
gasoline | |
4-cylinder | |
liquid-cooled | |
Original engine, used on the 5E version. | |
Displacement: | 251 ci 4.1 L |
Bore/Stroke: | 4.00x5.00 inches 102 x 127 mm |
Air cleaner: | oil bath |
Rated RPM: | 950 |
Engine Detail | |
Caterpillar 3400G | |
gasoline | |
4-cylinder | |
liquid-cooled | |
The 3400G was used on the 4J and 6J versions, which were most R-2 tractors built. | |
Displacement: | 221 ci 3.6 L |
Bore/Stroke: | 3.75x5.00 inches 95 x 127 mm |
Air cleaner: | oil bath |
Rated RPM: | 1525 |
Oil capacity: | 12 qts 11.4 L |
Coolant capacity: | 28 qts 26.5 L |
1934 - 1942 |
Agricultural Crawler tractor |
Transmissions overview | |
3-speed gear | |
5-speed gear |
Transmission | |
Type: | gear |
Gears: | 3 forward and 1 reverse |
The three-speed was used on the 5E version, built in limited quantities until 1938. |
Speeds | |
Transmission | |
Type: | gear |
Gears: | 5 forward and 1 reverse |
Oil capacity: | 8 qts 7.6 L |
The five speed transmission was used on the R-2 4J and R-2 6J. |
Speeds | |
1934 - 1942 |
Agricultural Crawler tractor |
Caterpillar R2 Tracks | |
Size: | 13-inch tracks |
Dimensions | |
Shiping weight: | 6350 lbs 2880 kg |
Gauge: | 40 inches 101 cm |
Gauge: | 50 inches 127 cm |