Caterpillar D2
The Caterpillar D2 is a tractor produced by Caterpillar. It is equipped with a 252 ci 4.1 L engine. The rated power output is 41.86 hp 31.2 kW. Transmission: 5 forward and 1 reverse. Drive type: crawler. Operating weight: 7420 lbs (1939) 3365 kg.
Engine Power
41.86 hp
31.2 kW
Drive & Traction
crawler
Fuel & Capacities
Diesel
Transmission
5 forward and 1 reverse
Operating Weight
7420 lbs (1939)
3365 kg
Caterpillar D2 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1938 - 1957
Agricultural Crawler tractor |
|---|---|
1938 - 1957 | |
Agricultural Crawler tractor | |
Production | |
|---|---|
Manufacturer | Caterpillar |
Agricultural Crawler tractor | |
Built in Peoria, Illinois, USA | |
Caterpillar D2 Transmission | |
|---|---|
5-speed gear | |
Transmission details ...  |
Caterpillar D2 Power | |
|---|---|
Drawbar (tested) | 36.62 hp
27.3 kW |
PTO (tested) | 32.9 hp
24.5 kW |
Belt (tested) | 41.86 hp
31.2 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Steering | mechanical clutches |
Open operator station. | |
Dimensions & Tracks | |
|---|---|
Weight | 7420 to 8536 pounds |
12-inch tracks | |
Full dimensions and tracks ...  | |
References | |
|---|---|
 | |
Product Line published in 1953, by Caterpillar | |
Owner's report: on Caterpillar Farm Tractors published in 1949 | |
Built for the farm published in 1954, by Caterpillar | |
Easier, More Profitable Farming published by Caterpillar | |
Farming on the contour published in 1954, by Caterpillar | |
Diesel D2 Tractor published by Caterpillar |
Engine
Engine options | |
|---|---|
Caterpillar 3.6L 4-cyl diesel | |
Caterpillar 4.1L 4-cyl diesel |
Engine Detail — 221 ci / 3.6 L Diesel
Manufacturer | Caterpillar |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 221 ci
3.6 L |
Bore/Stroke | 3.75x5.00 inches
95 x 127 mm |
Rated RPM | 1525 |
Torque | 125 lb-ft
169.5 Nm |
Torque RPM | 1050 |
Engine Detail — 252 ci / 4.1 L Diesel
Manufacturer | Caterpillar |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 252 ci
4.1 L |
Bore/Stroke | 4.00x5.00 inches
102 x 127 mm |
Compression | 18.5:1 |
Rated RPM | 1525 (early) |
1650 (late) | |
Starter type | gasoline pony motor |
Transmission
Transmission — 5 forward and 1 reverse gear
Type | gear |
Gears | 5 forward and 1 reverse |
Clutch | dry disc |
 | |
Dimensions
Caterpillar D2 Tracks | |
|---|---|
Width | 12 inches
30 cm |
Dimensions | |
|---|---|
Length | 108 inches
274 cm |
Height | 57.5 inches
146 cm |
Weight | 7420 lbs (1939)
3365 kg |
8536 lbs (1955)
3871 kg | |
Gauge | 40 inches
101 cm |
Gauge | 50 inches
127 cm |
Tests
Tractor Tests | |
|---|---|
NTTL 322: 251 diesel 5-speed crawler | |
NTTL 418: 252 diesel 5-speed crawler | |
NTTL 553: 252 diesel 5-speed crawler |
Nebraska Tractor Test 322 | |
|---|---|
251 diesel 5-speed crawler
July 24 - August 4, 1939
Link: Nebraska Tractor Test 322 file | |
Belt power (max) | 30 hp
22.4 kW |
PTO performance | |
Power at rated engine speed | 27.5 hp
20.5 kW |
Fuel use | 2.1 gal/hour
7.9 l/hour |
Drawbar performance | |
Max power | 25.2 hp
18.8 kW |
Gear 1 used for power test. | |
Max pull | 5,903 lbs
2677 kg |
Nebraska Tractor Test 418 | |
|---|---|
252 diesel 5-speed crawler
July 11 - 26, 1949
Link: Nebraska Tractor Test 418 file | |
Belt power (max) | 36.02 hp
26.9 kW |
PTO performance | |
Power at rated engine speed | 32.9 hp
24.5 kW |
Fuel use | 2.4 gal/hour
9.1 l/hour |
Drawbar performance | |
Max power | 30.31 hp
22.6 kW |
Gear 2 used for power test. | |
Max pull | 6,778 lbs
3074 kg |
Gear 1 used for pull test. | |
Nebraska Tractor Test 553 | |
|---|---|
252 diesel 5-speed crawler
July 25 - 30, 1955
Link: Nebraska Tractor Test 553 file | |
Belt power (max) | 41.86 hp
31.2 kW |
PTO performance | |
Power at rated engine speed | 29 hp
21.6 kW |
Fuel use | 2.7 gal/hour
10.2 l/hour |
Drawbar performance | |
Max power | 36.62 hp
27.3 kW |
Gear 2 used for power test. | |
Max pull | 7,413 lbs
3362 kg |
Gear 1 used for pull test. | |
Photos
Caterpillar D2 with dozer blade.
Caterpillar D2 with dozer blade.
Caterpillar D2 with dozer blade.
Caterpillar D2.
Caterpillar D2.
Orchard model Caterpillar D2.
Orchard model Caterpillar D2.
Orchard model Caterpillar D2.
Orchard model Caterpillar D2.
Tail-seat Caterpillar D2.
Tail-seat Caterpillar D2 operator station and controls.
Tail-seat Caterpillar D2 operator station and controls.
Tail-seat Caterpillar D2 operator station and controls.
Caterpillar D2
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