International Harvester 685
The International Harvester 685 is a utility tractor produced from 1981 to 1985 as part of the 85 Series. Built in Doncaster, England, it features an International Harvester 3.9L 4-cylinder diesel engine delivering 69 hp net and 71.8 hp gross. The tractor offers transmission options including an 8-speed synchromesh and a 16-speed two-speed power shift. It has two- or four-wheel drive, mechanical rear differential lock, power steering, and hydraulic wet disc brakes. The 685 comes standard with a cab, with Economy and Deluxe options available. It has a rear Type II hitch with position and draft control and a rear lift capacity of 4400 lbs, extendable to 5250 lbs with an optional assistor ram. The rear PTO is independent with a hydraulic wet disc clutch and operates at 540/1000 RPM. Dimensions include an 88.2 inch wheelbase, 147.6 inch length, and 104 inch height, with weights ranging from 6703 lbs (2WD) to 7188 lbs (4WD). Tire options vary for 2WD and 4WD configurations.
Power71 hp
Founded1981 - 1985
Model685
Technical Specifications
Detailed specifications and technical data for International Harvester 685
Power
| Engine (net) | 69 hp (51.5 kW) |
|---|---|
| PTO (claimed) | 63.3 hp (47.2 kW) |
| Engine (gross) | 71.8 hp (53.5 kW) |
Engine
| Type | diesel |
|---|---|
| Model | International Harvester D-239 |
| Torque | 180 lb-ft (244.1 Nm) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Fuel tank | 29.6 gal (112.0 L) |
| Rated RPM | 2300 |
| Torque RPM | 1600 |
| Bore/Stroke | 3.875x5.06 inches (98 x 129 mm) |
| Fuel system | direct injection |
| Power (net) | 69 hp (51.5 kW) |
| Displacement | 239 ci (3.9 L) |
| Power (gross) | 71.8 hp (53.5 kW) |
| Starter volts | 12 |
Overview
| Series | 85 Series |
|---|---|
| Built in | Doncaster, England |
| Category | Utility tractor |
| Production years | 1981 - 1985 |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Hydraulics
| Pump flow | 12.4 gpm (46.9 lpm) |
|---|
Mechanical
| Cab | Cab standard. Economy and Deluxe cabs available. |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Hydraulic wet disc brakes |
| Power steering | yes |
| Differential lock | mechanical rear |
Transmission
| Options | 8-speed synchromesh, 16-speed two-speed power shift |
|---|---|
| Power Shift Type | two-speed power shift |
| Synchromesh Type | synchromesh |
| Power Shift Gears | 16 forward and 8 reverse |
| Synchromesh Gears | 8 forward and 4 reverse |
| Synchromesh Details | Four gears (1-4) in two ranges (low/high) plus reverse range |
| Power Shift Transmission | Torque Amplifier |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | II |
| Rear lift | 4400 lbs (1995 kg), 5250 lbs (2381 kg) with optional assistor ram |
Serial Numbers
| Location | Serial number plate on right front of tractor frame, above the front axle. |
|---|
Dimensions & Tires
| Height | 104 inches (264 cm) |
|---|---|
| Length | 147.6 inches (374 cm) |
| Wheelbase | 88.2 inches (224 cm) |
| 2WD Weight | 6703 lbs (3040 kg) |
| 4WD Weight | 7188 lbs (3260 kg) |
| Ag rear tires | 16.9-34 |
| Ag front tires | 10.00-16 (2WD), 12.4-24 (4WD) |
Power Take-off (PTO)
| Clutch | hydraulic wet disc |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540/1000 |
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