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Renault 681S

Renault 681S tractor
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The Renault 681S is a utility tractor produced from 1980 to 1986 as part of the S Series. It features a 68 hp MWM 3.8L 4-cylinder liquid-cooled diesel engine, a 12-speed mechanical shuttle transmission, and options for two- or four-wheel drive. The tractor includes power steering, dry disc brakes, and ROPS with an optional cab. It has an open center hydraulic system with 2611 psi pressure and 8.0 gpm flow. The rear hitch is category II with a lift capacity of 8489 lbs. The PTO is independent with 540/1000 rpm options. Dimensions vary between 2WD and 4WD models, with weights ranging from 5765 to 7926 lbs depending on configuration. Standard tires differ for 2WD and 4WD, with several optional tire sizes available for 4WD.
Renault 681SRenault tractor681S specificationsutility tractorMWM 3.8L diesel12-speed shuttle transmissiontractor hydraulicsPTOtractor dimensions
Power68 hp
Founded1979 - 1980
Model681S

Technical Specifications

Detailed specifications and technical data for Renault 681S

Power

Engine power:68 hp (50.7 kW)

Tires

2WD Standard tires (ag):Front: 7.50-18. Rear: 16.9-30
4WD Optional tires (ag):Front: 9.5-28. Rear: 13.6-36,Front: 11.2-28. Rear: 13.6-36,Front: 13.6-24. Rear: 16.9-34,Front: 11.2-28. Rear: 13.6-38
4WD Standard tires (ag):Front: 11.2-24. Rear: 16.9-30

Engine

Type:diesel
Model:MWM D227-4
Power:68 hp (50.7 kW)
Torque:169.6 lb-ft (230.0 Nm)
Cooling:liquid-cooled
Cylinders:4-cylinder
Fuel tank:21.7 gal (82.1 L)
Rated RPM:2350
Torque RPM:1500
Bore/Stroke:3.875x4.724 inches (98 x 120 mm)
Compression:17.8:1
Displacement:230 ci (3.8 L)
Starter volts:12

Weight

2WD Cab:6504 lbs (2950 kg)
4WD Cab:7926 lbs (3595 kg)
2WD ROPS:5765 lbs (2615 kg)
4WD ROPS:7187 lbs (3260 kg)

Features

Drive:Two- or four-wheel drive
Brakes:Dry disc brakes
Safety:ROPS. Cab optional.
Steering:Power steering

Dimensions

Width:64.6 inches (164 cm) *Minimum width
2WD Length:150 inches (381 cm)
4WD Length:156.3 inches (397 cm)
Rear tread:51.2 to 78.8 inches (130 to 200 cm)
Height (cab):96.1 inches (244 cm)
2WD Wheelbase:93.3 inches (236 cm)
4WD Wheelbase:94.9 inches (241 cm)
2WD Front tread:51.2 to 74.8 inches (130 to 189 cm)
4WD Front tread:53.2 to 74.8 inches (135 to 189 cm)
Height (steering wheel):64.2 inches (163 cm)

Electrical

Battery AH:80
Battery volts:12
Charging amps:35
Charging system:alternator

Hydraulics

Type:open center
Pressure:2611 psi (180.0 bar)
Total flow:8.0 gpm (30.3 lpm)

Production

Type:Utility tractor
Series:S Series
Years produced:1980 - 1986

Transmission

Type:mechanical shuttle
Gears:12 forward and reverse
Clutch:dry disc
Description:Four gears in three ranges with shuttle.

Tractor hitch

Rear Type:II
Rear lift capacity:8489 lbs (3850 kg)

Power Take-off (PTO)

Rear PTO:independent
Engine RPM:551@2350, 642@2350 (540/1000), 1099@2350
Rear PTO Type:540/1000 (1.375)

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