Caterpillar D4 Specs ( 1938-1959 )
Production
| Description | Agricultural Crawler tractor / Built in Peoria, Illinois, USA |
|---|---|
| Manufacturer | Caterpillar |
Engine
| Engine type | Caterpillar 5.1L 4-cyl diesel |
|---|---|
| Fuel tank | 20 gal (75.7 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 4.25x5.50 inches (108 x 140 mm) |
| Compression | 17.3:1 |
| Coolant capacity | 44 qts (41.6 L) |
| Description | Caterpillar D4400 / diesel / 4-cylinder / liquid-cooled / The D4400 was used on the RD4/D4 tractors through the 5T series. |
| Displacement | 312 ci (5.1 L) |
| Oil capacity | 16 qts (15.1 L) |
| Rated RPM | 1400 |
| Torque | 421 lb-ft (570.9 Nm) |
| Torque RPM | 1000 |
| Belt (tested) | 39.82 hp (29.7 kW) |
| Drawbar (tested) | 35.06 hp (26.1 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 5 forward and 1 reverse |
| Oil capacity | 20 qts (18.9 L) |
| Transmission type | 5-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive | crawler |
| Steering | manual clutches |
Dimensions & Tires
| Clearance (drawbar) | 14.25 inches (36 cm) |
|---|---|
| Gauge | 44 inches (111 cm) / 60 inches (152 cm) |
| Ground clearance | 11.125 inches (28 cm) |
| Height (hood) | 60.625 inches (153 cm) |
| Length | 120.7 inches (306 cm) |
| Weight | 9970 lbs (44" gauge) (4522 kg) |
| Wheelbase | 61.125 inches (155 cm) |
| Width | 62 inches (44" gauge) (157 cm) |
Caterpillar D4 Tracks
| Width | 13 inches (33 cm) |
|---|
D4 Serial Numbers
| 1936 | 4G1 |
|---|---|
| 1937 | 4G3663 |
| 1938 | 4G8858 |
| 1939 | 4G9912 / 7J1 |
| 1940 | 7J1758 |
| 1941 | 7J4119 |
| 1942 | 7J7544 |
| 1943 | 2T1 |
| 1944 | 2T3306 |
| 1945 | 2T8224 / 5T1 |
| 1946 | 5T3524 |
| 1947 | 5T6780 |
| Description | FAQ: How to read a serial number table. |
| Location: | Serial number plate on the rear of the tractor, upper-left of the transmission case. |
Dimensions & Tracks
| Description | 13-inch tracks |
|---|---|
| Weight | 9970 to 10250 pounds |
| Wheelbase | 61.125 inches (155 cm) |
Links
| Description | Caterpillar D-4: A story on the use of a D-4 by VanNatta Forestry |
|---|
Nebraska Tractor Test 273
| Belt fuel use (max) | 2.9 gal/hour (11.0 l/hour) |
|---|---|
| Belt power (max) | 39.82 hp (29.7 kW) |
| Description | Diesel 5-speed crawlerOctober 14 - 28, 1936Link: Nebraska Tractor Test 273 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 35.06 hp (26.1 kW) |
| Max pull | 7852 lbs (3561 kg) |