Introduction
Renault 851: Technical Specifications and Overview
The Renault 851 is a mid-range agricultural tractor produced by the French manufacturer Renault between 1974 and 1980. Designed as a versatile machine for general farming duties, it remains a recognized model for its mechanical reliability and structural robustness during that era.
Engine and Performance
The tractor is powered by an MWM TD226-4 turbocharged diesel engine. This 4-cylinder unit features a displacement of 4.2 liters (253.5 cubic inches) and produces a rated power of 85 hp (63.4 kW) at 2350 RPM. The engine delivers a maximum torque of 290.0 Nm at 1400 RPM, providing sufficient lugging capability for standard field operations.
Transmission and Drivetrain
The drivetrain is equipped with a transmission providing 12 forward and 12 reverse gears, allowing for a wide range of speed selection according to the task at hand. The model was offered in both two-wheel drive and four-wheel drive configurations, with hydrostatic power steering and dry disc brakes to ensure maneuverability and operator control.
Hydraulics and PTO
The hydraulic system provides a total flow capacity of 31.4 lpm (8.3 gpm), supporting the rear hitch which has a lifting capacity of 2750 kg (6,064 lbs). The rear power take-off (PTO) is dual-speed, offering selectable outputs of 540 and 1000 RPM, accommodating a variety of agricultural implements.
Dimensions and Weight
The tractor sits on a 243 cm wheelbase with an overall length of 413 cm and a height of 270 cm. The weight varies depending on the drive configuration: the 2WD model weighs 3015 kg, while the 4WD version reaches 3435 kg. It is typically fitted with 16.9-34 rear agricultural tires to optimize traction.
Conclusion
The Renault 851 is a well-balanced tractor suitable for mixed farming operations requiring a machine with a 85-horsepower class rating. Its combination of an MWM engine and a robust 12-speed transmission makes it a practical choice for historical machinery enthusiasts and small-to-medium scale agricultural tasks.
Renault 851 Manuals & Documentation
Download the manuals and documentation available for the Renault 851: repair and workshop manuals, operator's handbooks, spare-parts catalogs and technical leaflets — free PDF files.
Archive documentation provided for reference, hosted by Tractor-Info.
Production Information of Renault, 851
| Manufacturer | Renault |
|---|
Dimension and Tires Information of Renault, 851
| Wheelbase | 95.7 inches [243 cm] |
|---|---|
| Wheelbase(optional) | 7,574 lbs (4WD) [3435 kg] |
| Weight | 6,648 lbs (2WD) [3015 kg] |
| Length | 162.6 inches [413 cm] |
| Height | 106.3 inches [270 cm] |
| Ag front | 7.50-18 |
|---|---|
| Ag rear | 16.9-34 |
| Ag rear | 16.9-34 |
| Ag front | 12.4-24 |
Engine Specifications of Renault, 851
- MWM TD226-4
- Turbocharged diesel
- 4-cylinder
| Rated RPM | 2350 |
|---|---|
| Bore/Stroke | 4.134x4.724 inches [105 x 120 mm] |
| Displacement | 253.5 ci [4.2 L] |
| Torque | 213.9 lb-ft [290.0 Nm] |
| Power | 85 hp [63.4 kW] |
| Torque RPM | 1400 |
Transmission Information of Renault, 851
Transmission variants 1
| Gears | 12 forward and reverse |
|---|
Mechanical Specs of Renault, 851
- Two- or four-wheel drive
- Standard
- Dry disc brakes
| Steering | Hydrostatic power |
|---|
Power Information of Renault, 851
| Rear PTO Type | 540/1000 |
|---|
Hydraulics Specifications of Renault, 851
| Total flow | 8.3 gpm [31.4 lpm] |
|---|
Three-Point Hitch of Renault, 851
| Rear lift | 6,064 lbs [2750 kg] |
|---|
Where it sits
With 85 HP, the Renault 851 sits between 95-14 (84 HP) and Ceres 345 (87 HP) in Renault's range. Its power puts it in the 61th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Renault 851 have?
The Renault 851 delivers 85 HP.
What years was the Renault 851 produced?
The Renault 851 was produced in 1974-1980.
What engine does the Renault 851 have?
The Renault 851 is powered by a Turbocharged diesel, 4-cylinder engine.
How much does the Renault 851 weigh?
The Renault 851 weighs 6,648 lbs (2WD) [3015 kg].
Is the Renault 851 4WD?
The Renault 851 is available in 2WD/4WD.