Skip to content
An independent tractor reference
TractorStack.

Find your tractor.

Menu ☰

Years in Production / 1938–1957

Caterpillar

D2

Explore the specifications, hardware, and original references for the Caterpillar D2.

Caterpillar D2 at Stumptown — Roseohioresident, CC BY-SA 4.0. Resized; converted to WebP. · Roseohioresident · CC BY-SA 4.0 commons.wikimedia.org source ↗

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.

Dimensions

Length
129.5 in328 cm
Width
79.1 in200 cm

Tires And Tracks

12-inch tracks

Weight
6870 lbs3116 kg

Tires And Tracks

Width
12 inches30 cm

D2 / 05

Tractor Photos

Caterpillar D2 at Stumptown — Roseohioresident, CC BY-SA 4.0. Resized; converted to WebP. · Roseohioresident · CC BY-SA 4.0 commons.wikimedia.org source ↗

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

Caterpillar D2 · photo 1 / 1

Caterpillar D2 at Stumptown

Caterpillar D2 at Stumptown — Roseohioresident, CC BY-SA 4.0. Resized; converted to WebP. · Roseohioresident · CC BY-SA 4.0 commons.wikimedia.org source ↗