Caterpillar Forty Specs ( 1934-1936 )
Production
| Description | Agricultural Crawler tractor / Built in Peoria, Illinois, USA |
|---|---|
| Manufacturer | Caterpillar |
Engine
| Engine type | Caterpillar 8.0L 4-cyl gasoline |
|---|---|
| Bore/Stroke | 5.125x6.50 inches (130 x 165 mm) |
| Description | Caterpillar / gasoline / 4-cylinder / liquid-cooled |
| Displacement | 485.3 ci (8.0 L) |
| Rated RPM | 850 |
| Belt (tested) | 56.42 hp (42.1 kW) |
| Drawbar (tested) | 48.91 hp (36.5 kW) |
Transmission
| Gears | 4 forward and 1 reverse |
|---|---|
| Transmission type | 4-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive | crawler |
Dimensions & Tires
| Gauge | 56 inches (142 cm) |
|---|---|
| Weight | 13625 lbs (6180 kg) |
Caterpillar Forty Tracks
| Width | 16 inches (40 cm) |
|---|
Dimensions & Tracks
| Description | 16-inch tracks |
|---|---|
| Weight | 13625 lbs (6180 kg) |
Forty Serial Numbers
| 1934 | 5G1 |
|---|---|
| 1935 | 5G43 |
| 1936 | 5G434 |
| Description | FAQ: How to read a serial number table. |
| Final | 5G584 |
Nebraska Tractor Test 244
| Belt fuel use (max) | 5.9 gal/hour (22.3 l/hour) |
|---|---|
| Belt power (max) | 48.57 hp (36.2 kW) |
| Description | Gasoline (850 RPM) 4-speed crawlerSeptember 16 - 20, 1935Link: Nebraska Tractor Test 244 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 41.78 hp (31.2 kW) |
| Max pull | 9692 lbs (4396 kg) |
Nebraska Tractor Test 245
| Belt fuel use (max) | 6.9 gal/hour (26.1 l/hour) |
|---|---|
| Belt power (max) | 56.42 hp (42.1 kW) |
| Description | Gasoline (1000 RPM) 4-speed crawlerSeptember 18 - 23, 1935Link: Nebraska Tractor Test 245 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 48.91 hp (36.5 kW) |
| Max pull | 9466 lbs (4293 kg) |
Tractor Tests
| Description | NTTL 244: gasoline (850 RPM) 4-speed crawler / NTTL 245: gasoline (1000 RPM) 4-speed crawler |
|---|
Variants
| Diesel Forty | diesel engine |
|---|---|
| Forty | gas engine |