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Years in Production / 1934–1936
Caterpillar
Forty
Explore the specifications, hardware, and original references for the Caterpillar Forty.
No photo
54hp
Engine estimate · from belt
Tracks
Drive
1934–1936
Production years
Caterpillar
Manufacturer
Forty / 01
At a glance
Production
Agricultural Crawler tractor
Built in Peoria, Illinois, USA
- Manufacturer
- Caterpillar
Mechanical
Open operator station.
- Drive
- crawler
Forty / 02
Under the hood
Engine Detail
Caterpillar
gasoline
4-cylinder
liquid-cooled
- Displacement
- 485.3 ci8.0 L
- Bore Stroke
- 5.125x6.50 inches130 x 165 mm
- Rated Rpm
- 850
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled
Forty / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 4 forward and 1 reverse
Forty / 04
Size. Stance. Footprint.
Tires And Tracks
16-inch tracks
- Weight
- 13625 lbs6180 kg
Tires And Tracks
- Width
- 16 inches40 cm
Forty / 05
Tests (NTTL)
Nebraska Tractor Test 244Nebraska test report ↗
Gasoline (850 RPM) 4-speed crawlerSeptember 16 - 20, 1935
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 244
- Belt Power Max
- 48.57 hp36.2 kW
- Belt Fuel Use Max
- 5.9 gal/hour22.3 l/hour
- Max Power
- 41.78 hp31.2 kW
- Max Pull
- 9692 lbs4396 kg
Nebraska Tractor Test 245Nebraska test report ↗
Gasoline (1000 RPM) 4-speed crawlerSeptember 18 - 23, 1935
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 245
- Belt Power Max
- 56.42 hp42.1 kW
- Belt Fuel Use Max
- 6.9 gal/hour26.1 l/hour
- Max Power
- 48.91 hp36.5 kW
- Max Pull
- 9466 lbs4293 kg