Introduction
Renault 751S Utility Tractor
Produced between 1979 and 1986, the Renault 751S is a utility tractor belonging to the 681S series. Designed for agricultural versatility, this machine was engineered to provide reliable performance for a wide range of farm operations during its production era.
Engine and Power
The tractor is powered by an MWM D226-4 liquid-cooled diesel engine. This four-cylinder unit features a 4.2 L (253.5 ci) displacement and produces a rated power of 75 hp (55.9 kW) at 2350 engine RPM. The engine delivers a maximum torque of 196.2 lb-ft (266.0 Nm) at 1500 RPM, providing the necessary output for heavy-duty traction and implement operation.
Transmission and Drivetrain
The 751S is equipped with a mechanical shuttle transmission offering 12 forward and 12 reverse gears. It utilizes a dry disc clutch, allowing for efficient gear changes. The tractor was available in both two-wheel drive and four-wheel drive configurations, providing adaptability for different soil conditions and terrain types.
Hydraulics and PTO
The hydraulic system is an open-center design operating at a pressure of 2611 psi (180.0 bar) with a total flow of 8 gpm (30.3 lpm). For implement power, the tractor features an independent rear PTO. The rear hitch is a Category II type, capable of a maximum lift capacity of 8489 lbs (3850 kg), ensuring compatibility with a variety of modern and period-specific agricultural attachments.
Controls and Ergonomics
Operator control is facilitated by standard power steering and dry disc brakes, which enhance maneuverability and safety during field work. The tractor comes standard with a Roll-Over Protective Structure (ROPS), with an optional cab available to provide protection and improved comfort for the operator.
Conclusion
The Renault 751S remains a robust and practical utility tractor, suitable for agricultural operations requiring a balance of mid-range power and mechanical simplicity. Its combination of a high-torque engine, versatile transmission, and substantial lift capacity makes it a reliable workhorse for general farming tasks.
Production Information of Renault, 751S
- Utility tractor
| Manufacturer | Renault |
|---|
Dimension and Tires Information of Renault, 751S
| 4WD Front tread | 53.2 to 74.8 inches [135 to 189 cm] |
|---|---|
| 2WD Wheelbase | 93.3 inches [236 cm] |
| Width | 64.6 inches [164 cm] |
| 4WD Length | 158.7 inches [403 cm] |
| 4WD Wheelbase | 94.5 inches [240 cm] |
| Rear tread | 51.2 to 78.8 inches [130 to 200 cm] |
| 2WD Front tread | 51.2 to 74.8 inches [130 to 189 cm] |
| 2WD Length | 150 inches [381 cm] |
Minimum width.
| 2WD Standard tires (ag) | Front: 7.50-18. Rear: 13.6-38 |
|---|---|
| 4WD Optional tires (ag) | Front: 13.6-24. Rear: 16.9-34 |
| 4WD Standard tires (ag) | Front: 11.2-28. Rear: 13.8-36 |
| 2WD Optional tires (ag) | Front: 9.00-16. Rear: 16.9-34 |
Engine Specifications of Renault, 751S
- MWM D226-4
- Liquid-cooled
- Diesel
- 4-cylinder
| Torque RPM | 1500 |
|---|---|
| Displacement | 253.5 ci [4.2 L] |
| Compression | 17.4:1 |
| Bore/Stroke | 4.134x4.724 inches [105 x 120 mm] |
| Starter volts | 12 |
| Torque | 196.2 lb-ft [266.0 Nm] |
| Rated RPM | 2350 |
| Power | 75 hp [55.9 kW] |
Transmission Information of Renault, 751S
Transmission variants 1
- Four gears in three ranges with shuttle.
| Type | Mechanical shuttle |
|---|---|
| Gears | 12 forward and reverse |
| Clutch | Dry disc |
Mechanical Specs of Renault, 751S
- Two- or four-wheel drive
- ROPS. Cab optional.
- Power steering
- Dry disc brakes
Power Information of Renault, 751S
| Rear PTO | Independent |
|---|---|
| Rear PTO(optional) | 642@2350 (540/1000) |
| Engine RPM | 551@2350 |
| Rear PTO Type | 540 (1.375) |
| Rear PTO Type(optional) | 1099@2350 |
| Rear PTO Type(optional) | 540/1000 (1.375) |
Hydraulics Specifications of Renault, 751S
| Type | Open center |
|---|---|
| Pressure | 2611 psi [180.0 bar] |
| Total flow | 8 gpm [30.3 lpm] |
Three-Point Hitch of Renault, 751S
| Rear Type | II |
|---|---|
| Rear lift | 8489 lbs [3850 kg] |
Electrical System of Renault, 751S
| Charging system | Alternator |
|---|---|
| Battery AH | 90 |
| Charging amps | 35 |
| Battery volts | 12 |
Where it sits
With 75 HP, the Renault 751S sits just above 681S (68 HP) in Renault's range. Its power puts it in the 55th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Renault 751S have?
The Renault 751S delivers 75 HP.
What years was the Renault 751S produced?
The Renault 751S was produced in 1979-1986.
What engine does the Renault 751S have?
The Renault 751S is powered by a Diesel, 4-cylinder engine.
What transmission does the Renault 751S use?
The Renault 751S uses a Mechanical shuttle transmission.
Is the Renault 751S 4WD?
The Renault 751S is available in 2WD/4WD.