Jeep CJ-3A

Jeep CJ-3A Technical Specifications

Jeep CJ-3A is a Row-Crop tractor that was produced by the John Deere between 1949 – 1953.

Below you will find detailed technical specifications for Jeep CJ-3A covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Jeep CJ-3A Production

Manufacturer: Jeep
Type: Truck-type tractor
Factory: Toledo, Ohio, USA

Jeep CJ-3A Power

Engine: 60 hp
44.7 kW
Plows: 2 (12-inch)
Drawbar (tested): 25.94 hp
19.3 kW
Belt (tested): 28.43 hp
21.2 kW

Jeep CJ-3A Electrical

Ground: negative
Battery volts: 6

Jeep CJ-3A Mechanical

Chassis: 4×4 MFWD 4WD
Steering: manual
Brakes: hydraulic drum
Cab: Open operator station.
Transmission: 6-speed sliding gear

Tracktor Hitch

Rear Type: I

Power Take-off (PTO)

Rear PTO: optional
Rear RPM: 540 (1.375)

Jeep CJ-3A Engine detail

Engine Detail
Willys L-134
Displacement: 134.2 ci
2.2 L
Bore/Stroke: 3.125×4.375 inches
79 x 111 mm
Power: 60 hp
44.7 kW
Fuel system: carburetor
Air cleaner: oil bath
Compression: 6.5:1
Rated RPM: 2400
Firing order: 1-3-4-2
Starter: electric
Starter volts: 6
Coolant capacity: 11 qts
10.4 L

Jeep CJ-3A Transmission overview

Engine Oil

Transmission: Borg-Warner T-90
Type: sliding gear
Gears: 6 forward and 2 reverse
Clutch: mechanical dry disc
Three gears (1-3) plus reverse (R) with a two-speed Spicer transfer case.

Jeep CJ-3A Dimensions

Wheelbase: 80 inches
203 cm
Length: 130 inches
330 cm
Height: 66.75 inches
169 cm
Shiping weight: 2037 lbs
923 kg
Max weight: 2937 lbs
1332 kg
Ground clearance: 8.1 inches
20 cm
Front tread: 48.25 inches
122 cm
Rear tread: 48.25 inches
122 cm

Jeep CJ-3A Tests

Nebraska Tractor Test 432

Nebraska Tractor Test 432
Gasoline 6-speed 4WD
October 25, 1949 – November 2, 1947
Link: Nebraska Tractor Test 432 file
Belt power (max): 28.43 hp
21.2 kW
Belt fuel use (max): 3.7 gal/hour
14.0 l/hour
Drawbar performance
Max power: 25.94 hp
19.3 kW
Gear 3 used for power test.
Max pull: 2148 lbs
974 kg
Gear 1 used for pull test.


Is Jeep CJ-3A a good tractor?

The Jeep CJ-3A is one of the great tractors in the Jeep stable, and it has earned Jeep a fantastic reputation.

How much oil does a Jeep CJ-3A take?

Check out the Jeep CJ-3A 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 Jeep made the CJ-3A?

The Jeep CJ-3A was an agricultural tractor model made from 1949 – 1953

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