Forty by Caterpillar
1934 - 1936
Production
Variants
1934 - 1936
| 1934 - 1936 |
| Agricultural Crawler tractor |
Production
| Production | |
| Manufacturer: | Caterpillar |
| Type: | Agricultural Crawler tractor |
| Factory: | Peoria, Illinois, USA |
Variants
| Variants | |
| Forty: | gas engine |
| Diesel Forty: | diesel engine |
Caterpillar Forty Power
| Caterpillar Forty Power | |
| Drawbar (tested): | 48.91 hp 36.5 kW |
| Belt (tested): | 56.42 hp 42.1 kW |
| power test details ... | |
Caterpillar Forty Engine
| Caterpillar Forty Engine | |
| Caterpillar 8.0L 4-cyl gasoline | |
| Engine details ... |
Mechanical
| Mechanical | |
| Chassis: | crawler |
| Cab: | Open operator station. |
| Transmission: | 4-speed gear |
| Transmission details ... | |
Dimensions & Tracks
| Dimensions & Tracks | |
| Weight: | 13625 lbs 6180 kg |
| 16-inch tracks | |
| Full dimensions and tracks ... | |
Forty Serial Numbers
| Forty Serial Numbers | |
| 1934: | 5G1 |
| 1935: | 5G43 |
| 1936: | 5G434 |
| Final: | 5G584 |
how to read serial numbers... | |
Caterpillar Forty Power
36.5 kW
42.1 kW
1934 - 1936
| 1934 - 1936 |
| Agricultural Crawler tractor |
Nebraska Tractor Test 244
| Nebraska Tractor Test 244 | |||
| | |||
Nebraska Tractor Test 244
| Nebraska Tractor Test 244 | |
| Gasoline (850 RPM) 4-speed crawler September 16 - 20, 1935 Link: Nebraska Tractor Test 244 file | |
| Belt power (max): | 48.57 hp 36.2 kW |
| Belt fuel use (max): | 5.9 gal/hour 22.3 l/hour |
| Drawbar performance | |
| Max power: | 41.78 hp 31.2 kW |
| Gear 2 used for power test. | |
| Max pull: | 9692 lbs 4396 kg |
| Gear 1 used for pull test. | |
Nebraska Tractor Test 245
| Nebraska Tractor Test 245 | |||
| | |||
Nebraska Tractor Test 245
| Nebraska Tractor Test 245 | |
| Gasoline (1000 RPM) 4-speed crawler September 18 - 23, 1935 Link: Nebraska Tractor Test 245 file | |
| Belt power (max): | 56.42 hp 42.1 kW |
| Belt fuel use (max): | 6.9 gal/hour 26.1 l/hour |
| Drawbar performance | |
| Max power: | 48.91 hp 36.5 kW |
| Gear 2 used for power test. | |
| Max pull: | 9466 lbs 4293 kg |
| Gear 1 used for pull test. | |
Caterpillar Forty Engine
1934 - 1936
| 1934 - 1936 |
| Agricultural Crawler tractor |
Engine Detail
| Engine Detail | |
| Caterpillar | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled | |
| Displacement: | 485.3 ci 8.0 L |
| Bore/Stroke: | 5.125x6.50 inches 130 x 165 mm |
| Rated RPM: | 850 |
Mechanical
1934 - 1936
| 1934 - 1936 |
| Agricultural Crawler tractor |
Transmission
| Transmission | |
| Type: | gear |
| Gears: | 4 forward and 1 reverse |
Speeds
| Speeds | |
Dimensions & Tracks
6180 kg
1934 - 1936
| 1934 - 1936 |
| Agricultural Crawler tractor |
Caterpillar Forty Tracks
| Caterpillar Forty Tracks | |
| Size: | 16-inch tracks |
Dimensions
| Dimensions | |
| Weight: | 13625 lbs 6180 kg |
| Gauge: | 56 inches 142 cm |
Forty Serial Numbers
how to read serial numbers...
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