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Caterpillar D4

Caterpillar D4 tractor
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The Caterpillar D4 is an agricultural crawler tractor produced from 1938 to 1959 by Caterpillar in Peoria, Illinois, USA. It features a Caterpillar D4400 5.1L 4-cylinder liquid-cooled diesel engine with an estimated 44.2 hp. The tractor has a 5-speed gear transmission with a dry disc clutch and manual clutch steering. It has an open operator station and runs on 13-inch wide tracks. The D4 was widely used in agriculture and is known for its durability and crawler drive system.
Caterpillar D4tractorcrawler tractoragricultural tractorCaterpillar D4400 engine5-speed transmissiontractor specifications
Power44 hp[B]
Founded1938 - 1959
ModelD4

Technical Specifications

Detailed specifications and technical data for Caterpillar D4

Power

Note:Estimated engine power for comparison only.
Belt (tested):39.82 hp (29.7 kW)
Drawbar (tested):35.06 hp (26.1 kW)

Engine

Type:diesel
Model:Caterpillar D4400
Notes:The D4400 was used on the RD4/D4 tractors through the 5T series.
Torque:421 lb-ft (570.9 Nm)
Cooling:liquid-cooled
Cylinders:4-cylinder
Fuel tank:20 gal (75.7 L)
Rated RPM:1400
Torque RPM:1000
Air cleaner:oil bath
Bore/Stroke:4.25x5.50 inches (108 x 140 mm)
Displacement:312 ci (5.1 L)
Oil capacity:16 qts (15.1 L)
Coolant capacity:44 qts (41.6 L)
Compression ratio:17.3:1

Tracks

Width:13 inches (33 cm)

Dimensions

Gauge:44 inches (111 cm), 60 inches (152 cm)
Width:62 inches (44" gauge) (157 cm), 78 inches (60" gauge) (198 cm)
Length:120.7 inches (306 cm)
Weight:9970 lbs (44" gauge) (4522 kg), 10250 lbs (60" gauge) (4649 kg)
Wheelbase:61.125 inches (155 cm)
Height (hood):60.625 inches (153 cm)
Ground clearance:11.125 inches (28 cm)
Clearance (drawbar):14.25 inches (36 cm)

Mechanical

Drive:crawler
Steering:manual clutches
Operator station:Open operator station

Production

Type:Agricultural Crawler tractor
Built in:Peoria, Illinois, USA
Manufacturer:Caterpillar
Years produced:1938 - 1959

Transmission

Type:gear
Gears:5 forward and 1 reverse
Clutch:dry disc
Oil capacity:20 qts (18.9 L)

Related Models

Caterpillar RD4

Model:RD4