Caterpillar D4
The Caterpillar D4 is a tractor produced by Caterpillar. It is equipped with a 312 ci 5.1 L engine. The rated power output is 39.82 hp 29.7 kW. Transmission: 5 forward and 1 reverse. Drive type: crawler. Operating weight: 9970 lbs (44" gauge) 4522 kg.
Engine Power
39.82 hp
29.7 kW
Drive & Traction
crawler
Fuel & Capacities
20 gal
75.7 L
Transmission
5 forward and 1 reverse
Operating Weight
9970 lbs (44" gauge)
4522 kg
Caterpillar D4 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 - 1959
Model year 1938-19471947-1959
Agricultural Crawler tractor |
|---|---|
1938 - 1959 | |
Model year 1938-19471947-1959 | |
Agricultural Crawler tractor | |
Production | |
|---|---|
Manufacturer | Caterpillar |
Agricultural Crawler tractor | |
Built in Peoria, Illinois, USA | |
Caterpillar D4 Engine | |
|---|---|
Caterpillar 5.1L 4-cyl diesel | |
Fuel tank | 20 gal
75.7 L |
Engine details ...  | |
Caterpillar D4 Transmission | |
|---|---|
5-speed gear | |
Transmission details ...  |
Caterpillar D4 Power | |
|---|---|
Drawbar (tested) | 35.06 hp
26.1 kW |
Belt (tested) | 39.82 hp
29.7 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Steering | manual clutches |
Open operator station. | |
Dimensions & Tracks | |
|---|---|
Wheelbase | 61.125 inches
155 cm |
Weight | 9970 to 10250 pounds |
13-inch tracks | |
Full dimensions and tracks ...  | |
Links | |
|---|---|
Caterpillar D-4: A story on the use of a D-4 by VanNatta Forestry |
Engine
Engine Detail — 312 ci / 5.1 L Diesel
Manufacturer | Caterpillar D4400 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
The D4400 was used on the RD4/D4 tractors through the 5T series. | |
Displacement | 312 ci
5.1 L |
Bore/Stroke | 4.25x5.50 inches
108 x 140 mm |
Air cleaner | oil bath |
Compression | 17.3:1 |
Rated RPM | 1400 |
Torque | 421 lb-ft
570.9 Nm |
Torque RPM | 1000 |
Oil capacity | 16 qts
15.1 L |
Coolant capacity | 44 qts
41.6 L |
Transmission
Transmission — 5 forward and 1 reverse gear
Type | gear |
Gears | 5 forward and 1 reverse |
Clutch | dry disc |
Oil capacity | 20 qts
18.9 L |
 | |
Dimensions
Caterpillar D4 Tracks | |
|---|---|
Width | 13 inches
33 cm |
Dimensions | |
|---|---|
Wheelbase | 61.125 inches
155 cm |
Length | 120.7 inches
306 cm |
Width | 62 inches (44" gauge)
157 cm |
78 inches (60" gauge)
198 cm | |
Height (hood) | 60.625 inches
153 cm |
Weight | 9970 lbs (44" gauge)
4522 kg |
10250 lbs (60" gauge)
4649 kg | |
Ground clearance | 11.125 inches
28 cm |
Clearance (drawbar) | 14.25 inches
36 cm |
Gauge | 44 inches
111 cm |
Gauge | 60 inches
152 cm |
Tests
Nebraska Tractor Test 273 | |
|---|---|
Diesel 5-speed crawler
October 14 - 28, 1936
Link: Nebraska Tractor Test 273 file | |
Belt power (max) | 39.82 hp
29.7 kW |
Belt fuel use (max) | 2.9 gal/hour
11.0 l/hour |
Drawbar performance | |
Max power | 35.06 hp
26.1 kW |
Gear 2 used for power test. | |
Max pull | 7852 lbs
3561 kg |
Gear 1 used for pull test. | |
Photos
Caterpillar D4
Caterpillar D-4 operator station and controls.
Related models
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- 1938 - 1944
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Caterpillar R2
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Caterpillar RD4
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- Production years:
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