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Years in Production / 1938–1957
Caterpillar
D2
Explore the specifications, hardware, and original references for the Caterpillar D2.
30hp
Engine estimate · from PTO
Tracks
Drive
1938–1957
Production years
Caterpillar
Manufacturer
D2 / 01
At a glance
Production
Agricultural Crawler tractor
Built in Peoria, Illinois, USA
- Manufacturer
- Caterpillar
Mechanical
Open operator station.
- Drive
- crawler
- Steering
- mechanical clutches
D2 / 02
Under the hood
Engine Detail (Option 1)
Caterpillar
diesel
4-cylinder
liquid-cooled
D2J engine, used from 1938 to 1947.
- Displacement
- 221 ci3.6 L
- Bore Stroke
- 3.75x5.00 inches95 x 127 mm
- Rated Rpm
- 1525
- Torque
- 125 lb-ft169.5 Nm
- Torque Rpm
- 1050
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Detail (Option 2)
Caterpillar
diesel
4-cylinder
liquid-cooled
D2U engine, used from 1947 through 1957.
- Displacement
- 252 ci4.1 L
- Bore Stroke
- 4.00x5.00 inches102 x 127 mm
- Compression Ratio
- 18.5:1
- Rated Rpm
- 1525 (early)
- Rated Rpm
- 1650 (late)
- Starter
- gasoline pony motor
- Starter
- electric OptOptional
- Starter Volts
- 24
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
Caterpillar 3.6L 4-cyl diesel
Caterpillar 4.1L 4-cyl diesel
- Fuel Tank
- 20 gal75.7 L
D2 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 5 forward and 1 reverse
- Clutch
- dry disc
D2 / 04
Size. Stance. Footprint.
Tires And Tracks
12-inch tracks
- Weight
- 6870 lbs3116 kg
Tires And Tracks
- Width
- 12 inches30 cm
D2 / 05
Tractor Photos
D2 / 06
Tests (NTTL)
Nebraska Tractor Test 322
251 diesel 5-speed crawlerJuly 24 - August 4, 1939
PTO performance
Drawbar performance
Gear 1 used for power test.
- Id
- 322
- Belt Power Max
- 30 hp22.4 kW
- Power At Rated Engine Speed
- 27.5 hp20.5 kW
- Fuel Use
- 2.1 gal/hour7.9 l/hour
- Max Power
- 25.2 hp18.8 kW
- Max Pull
- 5903 lbs2677 kg
Nebraska Tractor Test 418
252 diesel 5-speed crawlerJuly 11 - 26, 1949
PTO performance
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 418
- Belt Power Max
- 36.02 hp26.9 kW
- Power At Rated Engine Speed
- 32.9 hp24.5 kW
- Fuel Use
- 2.4 gal/hour9.1 l/hour
- Max Power
- 30.31 hp22.6 kW
- Max Pull
- 6778 lbs3074 kg
Nebraska Tractor Test 553
252 diesel 5-speed crawlerJuly 25 - 30, 1955
PTO performance
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 553
- Belt Power Max
- 41.86 hp31.2 kW
- Power At Rated Engine Speed
- 29 hp21.6 kW
- Fuel Use
- 2.7 gal/hour10.2 l/hour
- Max Power
- 36.62 hp27.3 kW
- Max Pull
- 7413 lbs3362 kg