Introduction
J.I. Case 731 Row-Crop Tractor
The J.I. Case 731 is a row-crop tractor produced between 1960 and 1969. It was engineered as a versatile agricultural machine, representing the mid-range power segment of the era with a rated output of 62 horsepower.
Engine and Performance
The tractor is powered by a 4-cylinder, liquid-cooled diesel engine with a displacement of 267 cubic inches (4.4 liters). It utilizes an oil bath air cleaner system and operates with a compression ratio of 15.2:1. The engine provides reliable power for field operations, with rated RPM settings of 1700 for the Dual-Range transmission and 1900 for the Case-o-Matic variant.
Transmission and Drivetrain
The 731 offers two distinct transmission systems, both providing 8 forward and 2 reverse gears. The Case-o-Matic transmission features a torque converter for smoother power delivery, while the Dual-Range transmission utilizes a mechanical dry disc clutch and an unsynchronized gear arrangement. The tractor is configured with two-wheel drive and features differential disc brakes to assist in maneuvering.
Hydraulics and Hitch
Equipped with an open-center hydraulic system featuring a single valve, the tractor is designed for standard implement control. It utilizes the proprietary Case Eagle Hitch system, classified as a Category II rear hitch, which facilitates the attachment and operation of various agricultural implements.
Dimensions and Capacity
The tractor features a wheelbase of 83 inches (210 cm) and an operating weight of 7,095 lbs (3,218 kg). For heavy-duty traction requirements, the machine can be ballasted up to 9,525 lbs (4,320 kg). It is fitted with 6.00-16 front tires and 13.6-38 rear agricultural tires.
Conclusion
The J.I. Case 731 is a robust, mechanically straightforward tractor suited for general row-crop farming tasks. Its combination of a 62 hp diesel engine, multiple transmission options, and the reliable Eagle Hitch system makes it a functional utility tractor for collectors and operators focused on classic agricultural machinery.
Production Information of J.I. Case, 731
- Row-Crop tractor
| Manufacturer | J.I. Case |
|---|---|
| Original price | $6,900 (1969) |
Dimension and Tires Information of J.I. Case, 731
| Wheelbase | 83 inches [210 cm] |
|---|---|
| Operating weight | 7,095 lbs [3218 kg] |
| Ballasted weight | 9,525 lbs [4320 kg] |
| Ag front | 6.00-16 |
|---|---|
| Ag rear | 13.6-38 |
Engine Specifications of J.I. Case, 731
- J.I. Case
- Liquid-cooled
- Diesel
- 4-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 267 ci [4.4 L] |
| Compression | 15.2:1 |
| Bore/Stroke | 4.125x5.00 inches [105 x 127 mm] |
| Coolant capacity | 7.5 qts [7.1 L] |
| Coolant capacity(optional) | 1900 (Case-o-Matic) |
| Rated RPM | 1700 (Dual-Range) |
| Air cleaner | Oil bath |
Transmission Information of J.I. Case, 731
Transmission variants 1
| Transmission | Case-o-matic |
|---|---|
| Type | Torque converter |
| Gears | 8 forward and 2 reverse |
Transmission variants 2
| Transmission | Dual-Range |
|---|---|
| Clutch | Mechanical dry disc |
| Type | Unsynchronized |
| Gears | 8 forward and 2 reverse |
- 8-speed torque converter
- 8-speed unsynchronized
Mechanical Specs of J.I. Case, 731
- Two-wheel drive
- Open operator station.
- Differential disc brakes
| Steering | Manual |
|---|---|
| Steering(optional) | Power optional |
Power Information of J.I. Case, 731
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 |
| Rear PTO Type(optional) | 1000 |
Hydraulics Specifications of J.I. Case, 731
| Type | Open center |
|---|---|
| Valves | 1 |
Three-Point Hitch of J.I. Case, 731
| Rear Type | II |
|---|---|
| Type | Case Eagle Hitch |
Where it sits
Its power puts it in the 66th percentile of 1960s models in our database (709 machines).
Frequently asked questions
How much horsepower does the J.I. Case 731 have?
The J.I. Case 731 delivers 62 hp[P] HP.
What years was the J.I. Case 731 produced?
The J.I. Case 731 was produced in 1960-1969.
What engine does the J.I. Case 731 have?
The J.I. Case 731 is powered by a Diesel, 4-cylinder engine.
What transmission does the J.I. Case 731 use?
The J.I. Case 731 uses a Case-o-matic transmission.
How much does the J.I. Case 731 weigh?
The J.I. Case 731 weighs 7,095 lbs [3218 kg].
Is the J.I. Case 731 4WD?
The J.I. Case 731 is available in 2WD.