International Harvester

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
Typediesel
ModelInternational Harvester D-239
Torque180 lb-ft (244.1 Nm)
Coolingliquid-cooled
Starterelectric
Cylinders4-cylinder
Fuel tank29.6 gal (112.0 L)
Rated RPM2300
Torque RPM1600
Bore/Stroke3.875x5.06 inches (98 x 129 mm)
Fuel systemdirect injection
Power (net)69 hp (51.5 kW)
Displacement239 ci (3.9 L)
Power (gross)71.8 hp (53.5 kW)
Starter volts12
Overview
Series85 Series
Built inDoncaster, England
CategoryUtility tractor
Production years1981 - 1985
Electrical
Groundnegative
Battery volts12
Hydraulics
Pump flow12.4 gpm (46.9 lpm)
Mechanical
CabCab standard. Economy and Deluxe cabs available.
DriveTwo- or four-wheel drive
BrakesHydraulic wet disc brakes
Power steeringyes
Differential lockmechanical rear
Transmission
Options8-speed synchromesh, 16-speed two-speed power shift
Power Shift Typetwo-speed power shift
Synchromesh Typesynchromesh
Power Shift Gears16 forward and 8 reverse
Synchromesh Gears8 forward and 4 reverse
Synchromesh DetailsFour gears (1-4) in two ranges (low/high) plus reverse range
Power Shift TransmissionTorque Amplifier
Tractor hitch
Controlposition and draft control
Rear TypeII
Rear lift4400 lbs (1995 kg), 5250 lbs (2381 kg) with optional assistor ram
Serial Numbers
LocationSerial number plate on right front of tractor frame, above the front axle.
Dimensions & Tires
Height104 inches (264 cm)
Length147.6 inches (374 cm)
Wheelbase88.2 inches (224 cm)
2WD Weight6703 lbs (3040 kg)
4WD Weight7188 lbs (3260 kg)
Ag rear tires16.9-34
Ag front tires10.00-16 (2WD), 12.4-24 (4WD)
Power Take-off (PTO)
Clutchhydraulic wet disc
Rear PTOindependent
Rear PTO Type540/1000