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Fiat 680

Fiat 680 tractor
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The Fiat 680 is a farm tractor produced by Fiat from 1978 to 1984. It features a 3.5L 4-cylinder diesel engine producing 68 hp (50.7 kW). The tractor was available in 2WD and 4WD variants, with multiple transmission options including 8-speed partially synchronized, 12-speed, 8-speed mechanical shuttle, and 16-speed creeper. It has a fuel tank capacity of 21.1 gallons (79.9 L) and offers hydraulic wet disc brakes, power steering, and a four-post ROPS with an optional cab featuring air-conditioning. The tractor's rear hitch is type II with a lift capacity of 5,292 lbs (2400 kg). PTO options include independent rear PTO with 540/1000 RPM. Dimensions vary slightly between 2WD and 4WD models, with wheelbases around 90 inches and weights ranging from 5513 to 6174 lbs. Standard tires differ for 2WD and 4WD models, with several optional tire sizes available.
Fiat 680farm tractor68 hp3.5L diesel engine2WD4WDtransmissionhydraulicsPTOdimensionstires
Power68 hp
Founded1978 - 1984
Model680

Technical Specifications

Detailed specifications and technical data for Fiat 680

Power

Engine:68 hp (50.7 kW)

Tires

Optional tires (ag):Front: 12.4/11-24. Rear: 13.6/12-36; Front: 11.2/10-24. Rear: 16.9/14-30
2WD Standard tires (ag):Front: 7.50-18. Rear: 13.6/12-38
4WD Standard tires (ag):Front: 11.2/10-28. Rear: 13.6/12-38

Engine

Power:68 hp (50.7 kW)
Fuel tank:21.1 gal (79.9 L)
Rated RPM:2500
Bore/Stroke:3.93x4.33 inches (100 x 110 mm)
Compression:17:1
Displacement:210.9 ci (3.5 L)
Firing order:1-3-4-2
Engine Detail:Fiat diesel 4-cylinder liquid-cooled
Starter volts:12

Height

Cab:100.6 inches (255 cm)
2WD Hood:59.5 inches (151 cm)
4WD Hood:60 inches (152 cm)
2WD Exhaust:100.4 inches (255 cm)
4WD Exhaust:101.2 inches (257 cm)
2WD Steering wheel:70.7 inches (179 cm)
4WD Steering wheel:71.1 inches (180 cm)

Dimensions

2WD Length:138.1 inches (350 cm)
2WD Weight:5513 lbs (2500 kg)
4WD Length:144.1 inches (366 cm)
4WD Weight:6174 lbs (2800 kg)
Rear tread:55.1 to 78.7 inches (139 to 199 cm)
2WD Wheelbase:90 inches (228 cm)
4WD Wheelbase:89.6 inches (227 cm)
2WD Front tread:55.1 to 74.8 inches (139 to 189 cm)
4WD Front tread:60.2 to 77 inches (152 to 195 cm)
2WD Clearance (front axle):20.1 inches (51 cm)
4WD Clearance (front axle):18.1 inches (45 cm)

Electrical

Ground:negative
Battery volts:12
Charging amps:33
Charging system:alternator

Hydraulics

Pump flow:8.9 gpm (33.7 lpm)

Mechanical

ROPS:Four-post ROPS. Cab optional with available air-conditioning.
Drive:Two- or four-wheel drive
Brakes:Hydraulic wet disc brakes
Power steering:Yes

Production

Variants:680 2WD, 680DT 4WD
Manufacturer:Fiat
Original price:$22,000 in 1984
Years produced:1978 - 1984

Transmission

12-speed:12 forward and 3 reverse gears; Four gears (1-4) plus reverse (R) in three ranges (low/intermediate/high)
16-speed creeper:16 forward and 4 reverse gears; Four gears (1-4) plus reverse (R) in four ranges (creeper/low/intermediate/high)
Transmission options:8-speed partially synchronized, 12-speed, 8-speed mechanical shuttle, 16-speed creeper
8-speed mechanical shuttle:8 forward and reverse gears; Four gears (1-4) in two ranges (low/high) with shuttle shift; Reverse speeds are 10% slower than forward
8-speed partially synchronized:8 forward and 2 reverse gears; Four gears (1-4) plus reverse (R) in two ranges (low/high)

Tractor hitch

Rear Type:II
Rear lift:5,292 lbs (2400 kg)

Power Take-off (PTO)

Rear PTO:independent
Engine RPM:540@2230, 1000@2410
Rear PTO Type:540/1000 (1.375)

Related Models

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Model:580

Fiat 680

Model:680