Overview
The Renault 681 is a 2WD farm tractor produced between 1979 and 1980, powered by an MWM 3.8L 4-cylinder diesel engine. It features a 12-speed transmission with 12 forward and reverse gears and is equipped with hydrostatic power steering and dry disc brakes.
Ideal Applications
Powertrain and Engine Performance:
The MWM D227-4 diesel engine is rated at 68 hp at 2350 RPM and produces 169.6 lb-ft of torque at 1500 RPM.
Transmission and Hydraulic Capability:
This model utilizes a 12-speed transmission providing 12 forward and reverse gears alongside a hydraulic system with a total flow of 8.0 gpm.
Mechanical and Hitch Specifications:
The tractor is configured with a 540/1000 rear PTO and a rear lift capacity rated at 8,489 lbs.
Production
| Manufacturer | Renault |
|---|
Engine
| Engine type | MWM 3.8L 4-cyl diesel |
|---|---|
| Fuel tank | 21.7 gal (82.1 L) |
| Bore/Stroke | 3.875x4.724 inches (98 x 120 mm) |
| Description | MWM D227-4 / diesel / 4-cylinder |
| Displacement | 230.0 ci (3.8 L) |
| Power | 68 hp (50.7 kW) |
| Rated RPM | 2350 |
| Torque | 169.6 lb-ft (230.0 Nm) |
| Torque RPM | 1500 |
Transmission
| Gears | 12 forward and reverse |
|---|---|
| Transmission type | 12-speed |
Mechanical
| Description | Dry disc brakes / standard |
|---|---|
| Drive | 4x2 2WD |
| Steering | hydrostatic power |
Hydraulics
| Total flow | 8.0 gpm (30.3 lpm) |
|---|
Hitch
| Rear lift | 8,489 lbs (3850 kg) |
|---|
PTO
| Rear PTO Type | 540/1000 |
|---|
Dimensions & Tires
| Height | 98.8 inches (250 cm) |
|---|---|
| Length | 159.1 inches (404 cm) |
| Weight | 7,221 lbs (2WD) (3275 kg) |
| Wheelbase | 94.9 inches (241 cm) |
| Front tire | 7.50-18 |
| Rear tire | 16.9-30 |
| Weight | 7221 to 7464 pounds |
| Wheelbase | 94.9 inches (241 cm) |
| Ag front | 7.50-18 / 11.2-24 |
| Ag rear | 16.9-30 / 16.9-30 |