Caterpillar D4

Caterpillar D4 Agricultural Crawler tractor Technical Specifications

Caterpillar D4 is a Row-Crop tractor that was produced by the John Deere between 1938 – 1959.

Below you will find detailed technical specifications for Caterpillar D4 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Caterpillar D4 Production

Manufacturer: Caterpillar
Type: Agricultural Crawler tractor
Factory: Peoria, Illinois, USA

Caterpillar D4 Power

Drawbar (tested): 35.06 hp
26.1 kW
Belt (tested): 39.82 hp
29.7 kW

Caterpillar D4 Mechanical

Chassis: crawler
Steering: manual clutches
Cab: Open operator station.
Transmission: 5-speed gear

Title serial numbers

1936: 4G1
1937: 4G3663
1938: 4G8858
1939: 4G9912
1939: 7J1
1940: 7J1758
1941: 7J4119
1942: 7J7544
1943: 2T1
1944: 2T3306
1945: 2T8224
1945: 5T1
1946: 5T3524
1947: 5T6780

how to read serial numbers…

What year is my Caterpillar D4? Serial Number Decoder

The serial number list shows the first tractor built in each year. The other tractors for that year will have successively higher numbers. Your serial number should be between two of the stated numbers.

The list only includes the numbers of the first tractors produced in each year. Your serial should be somewhere between two numbers.Unless you happen to be the first person to own a tractor, your number will not appear on the list.

Caterpillar D4 Engine detail

Engine Detail
Caterpillar D4400
The D4400 was used on the RD4/D4 tractors through the 5T series.
Displacement: 312 ci
5.1 L
Bore/Stroke: 4.25×5.50 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

Caterpillar D4 Transmission overview

Engine Oil

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

Caterpillar D4 Dimensions

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

Caterpillar D4 Tests

Nebraska Tractor Test 273

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.


Is Caterpillar D4 a good tractor?

The Caterpillar D4 is one of the great tractors in the Caterpillar stable, and it has earned Caterpillar a fantastic reputation.

How much oil does a Caterpillar D4 take?

Check out the Caterpillar D4 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Caterpillar made the D4?

The Caterpillar D4 was an agricultural tractor model made from 1938 – 1959

Leave a Comment