Renault 681S Utility Tractors Specifications
Engine
The engine is a MWM D227-4 diesel 4-cylinder liquid-cooled with a displacement of 230ci / 3.8L and a bore/stroke of 3.875x4.724inches / 98x 120 mm. It has a compression ratio of 17.8:1 and is rated at 68hp / 50.7kW at 2350 rpm. The engine produces a torque of 169.6 lb-ft /230.0 Nm at 1500 rpm and has a 12-volt starter. The engine is known for its reliability and fuel efficiency.
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Find Suppliers & Request SamplesTransmission
The transmission is a 12-speed mechanical shuttle with four gears in three ranges. It is powered by the MWM D227-4 diesel engine, which produces 68hp / 50.7kW. The transmission is known for its smooth shifting and ease of use. It has a mechanical shuttle that allows for quick and easy direction changes. The transmission is also durable and requires minimal maintenance.
Brakes
The brakes are dry disc and provide excellent stopping power. They are powered by the MWM D227-4 diesel engine, which produces 68hp / 50.7kW. The brakes are easy to use and require minimal maintenance. The engine brake provides additional stopping power when needed. The brakes are known for their reliability and durability.
Steering
The steering is power-assisted and provides excellent maneuverability. It is powered by the MWM 3.8L 4-cylinder diesel engine, which produces 68hp / 50.7kW. The steering is responsive and easy to use. The fuel tank has a capacity of 21.7gal / 82.1L, which provides ample fuel for long workdays. The steering is known for its reliability and ease of use.
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Find Suppliers & Request SamplesCommon Problems
Users have reported issues with the chassis, particularly with the 4x4 MFWD 4WD models. The power steering has also been known to fail in some instances. The dry disc brakes have been reported to wear out quickly and require frequent replacement. The ROPS cab has been reported to be uncomfortable for long workdays. The 12-speed mechanical shuttle transmission has been known to have issues with shifting.
What Users Like
Users appreciate the 2wd standard tires (ag) with front tires of 7.50-18 and rear tires of 16.9-30. The 4wd standard tires (ag) with front tires of 11.2-24 and rear tires of 16.9-30 are also popular. The 4wd optional tires (ag) with front tires of 11.2-28 and rear tires of 13.6-38 are also well-liked. Users appreciate the reliability and fuel efficiency of the MWM D227-4 diesel engine. The smooth shifting and ease of use of the 12-speed mechanical shuttle transmission are also popular.
Techincal Specifications
Power | |
| Engine | 68hp / 50.7kW |
Engine Detail | |
| Description | MWM D227-4 diesel 4-cylinder liquid-cooled |
| Displacement | 230ci / 3.8L |
| Bore/stroke | 3.875x4.724inches / 98x 120 mm |
| Power | 68hp / 50.7kW |
| Compression | 17.8:1 |
| Rated Rpm | 2350 |
| Torque | 169.6 lb-ft /230.0 Nm |
| Torque Rpm | 1500 |
| Starter Volts | 12 |
Engine | |
| Description | MWM 3.8L 4-cyl diesel |
| Fuel Tank | 21.7gal / 82.1L |
Transmission | |
| Type | mechanical shuttle |
| Gears | 12 forward and reverse |
| Clutch | dry disc |
| Description | Four gears in three ranges with shuttle. |
Mechanical | |
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Steering | power |
| Brakes | dry disc |
| Cab | ROPS. Cab optional. |
| Transmission | 12-speed mechanical shuttle |
Tires | |
| 2wd Standard Tires (ag) | Front: 7.50-18. Rear: 16.9-30 |
| 4wd Standard Tires (ag) | Front: 11.2-24. Rear: 16.9-30 |
| 4wd Optional Tires (ag) | Front: 11.2-28. Rear: 13.6-38 |
Dimensions | |
| 2wd Wheelbase | 93.3inches / 236cm |
| 4wd Wheelbase | 94.9inches / 241cm |
| 2wd Length | 150inches / 381cm |
| 4wd Length | 156.3inches / 397cm |
| Width | 64.6inches / 164cm *Minimum width. |
| Height (steering Wheel) | 64.2inches / 163cm |
| Height (cab) | 96.1inches / 244cm |
| 2wd Front Tread | 51.2 to 74.8inches / 130to 189 cm |
| 4wd Front Tread | 53.2 to 74.8inches / 135to 189 cm |
| Rear Tread | 51.2 to 78.8inches / 130to 200 cm |
Dimensions And Tires | |
| 2wd Wheelbase | 93.3inches / 236cm |
| 4wd Wheelbase | 94.9inches / 241cm |
| Weight | 5765 to 7926 pounds |
| Front Tire | 7.50-18 |
| 2wd Rear Tire | 16.9-30 |
Hydraulics | |
| Type | open center |
| Pressure | 2611psi / 180.0bar |
| Total Flow | 8.0gpm / 30.3lpm |
Tractor Hitch | |
| Rear Type | II |
| Rear Lift | 8489lbs / 3850kg |
Electrical | |
| Charging System | alternator |
| Charging Amps | 35 |
| Battery Volts | 12 |
| Battery Ah | 80 |
Speeds | |
| Description | With 16.9-30 rear tires. Reverse speeds are 3% slower than forward./ |
Power Take Off Pto | |
| Rear Pto | independent |
| Rear Rpm | 540/1000 (1.375) |
| Engine Rpm | 551@2350 / 642@2350 (540/1000)/ 1099@2350 |
Weight | |
| 2wd Rops | 5765lbs / 2615kg |
| 2wd Cab | 6504lbs / 2950kg |
| 4wd Rops | 7187lbs / 3260kg |
| 4wd Cab | 7926lbs / 3595kg |