Overview
The Renault 981 is a row-crop farm tractor produced between 1977 and 1980, powered by a 5.7L MWM 6-cylinder liquid-cooled diesel engine. It was manufactured in both two-wheel and four-wheel drive configurations with a net power rating of 98 hp and a 104.7-inch wheelbase. The mechanical design includes a partially synchronized transmission and an independent rear PTO capable of 540 and 1000 RPM.
Ideal Applications
Engine and Torque Performance:
The MWM D227/6 engine displacement is 345.2 cubic inches and generates 249.3 lb-ft of torque at 1500 RPM.
Transmission and Drivetrain Layout:
The unit is equipped with either a 12-speed partially synchronized or a 16-speed creeper transmission featuring four synchronized gears in three ranges.
Hitch and Hydraulic Capacities:
The tractor features a Category II rear hitch with a lift capacity of 10,031 lbs and an open center hydraulic system operating at 2611 psi.
Production
| Description | Row-Crop tractor |
|---|---|
| Manufacturer | Renault |
Engine
| Engine type | MWM 5.7L 6-cyl diesel |
|---|---|
| Fuel tank | 30.9 gal (117.0 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 3.94x4.72 inches (100 x 120 mm) |
| Description | MWM D227/6 / diesel / 6-cylinder / liquid-cooled |
| Displacement | 345.2 ci (5.7 L) |
| Power (gross) | 108 hp (80.5 kW) |
| Power (net) | 98 hp (73.1 kW) |
| Rated RPM | 2350 |
| Starter | electric |
| Starter volts | 12 |
| Torque | 249.3 lb-ft (338.1 Nm) |
| Torque RPM | 1500 |
| Engine (gross) | 108 hp (80.5 kW) |
| Engine (net) | 98 hp (73.1 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Description | Four synchronized gears in three ranges. |
| Gears | 12 forward and reverse / 16 forward and reverse |
| Type | partially synchronized / creeper |
| Transmission type | 12-speed partially synchronized / 16-speed creeper |
| Transmission type | 12-speed partially synchronized / 16-speed creeper |
Mechanical
| Cab | Cab optional with heater. |
|---|---|
| Description | Power steering / Dry disc brakes |
| Differential lock | mechanical rear |
| Drive type | Two- or four-wheel drive |
| Final drives | bevel gear |
| Trailer brakes | hydraulic |
Hydraulics
| Pressure | 2611 psi (180.0 bar) |
|---|---|
| Pump flow | 8.7 gpm (32.9 lpm) |
| Total flow | 8.3 gpm (31.4 lpm) |
| Type | open center |
Hitch
| Control | position and draft control |
|---|---|
| Rear lift | 10031 lbs (4550 kg) |
| Rear Type | II |
PTO
| Engine RPM | 540@1982 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540/1000 (1.375) |
Dimensions & Tires
| 2WD Weight | 8885 lbs (4030 kg) |
|---|---|
| 4WD Weight | 9404 lbs (4265 kg) |
| Front tread | 55.1 to 74.8 inches (139 to 189 cm) |
| Height (cab) | 108.3 inches (275 cm) |
| Height (steering wheel) | 75.6 inches (192 cm) |
| Length | 172.4 inches (437 cm) |
| Rear tread | 59.1 to 78.7 inches (150 to 199 cm) |
| Wheelbase | 104.7 inches (265 cm) |
| Width | 76.8 inches (195 cm) |
| Front tire | 11.00-16 |
| Rear tire | 16.9/14-38 |
| Weight | 8885 to 9404 pounds |
| Wheelbase | 104.7 inches (265 cm) |
| Ag front | 11.00-16 |
| Ag rear | 16.9/14-38 / 13.6/12-38 |
References
| Description | 981 published in 1978, by Renault |
|---|
Speeds
| Description | With 16.9/14-38 rear tires. / With 16.9/14-38 rear tires. Medium- and high-range speeds are same as 12-speed transmission. |
|---|