International Harvester 685

Last Updated: June 2024

Overview

The International Harvester 685 is a utility tractor that was manufactured with options for either two-wheel drive (2WD) or four-wheel drive (4WD). It features a robust International Harvester D-239 four-cylinder liquid-cooled diesel engine, with a displacement of 239 cubic inches, rated at 71.8 horsepower and a peak torque of 180 lb-ft at 1600 RPM. The 685 is equipped with a transmission that offers 16 forward and 8 reverse gears, with the assistance of a Torque Amplifier for increased pull power. This model comes with an agricultural tire setup, with the front tires often specified as 10.00-16 and the rear tires as 16.9-34. It has an approximate operating weight of 6703 pounds for the 2WD version and 7188 pounds for the 4WD variant. This tractor is assumed to have a Category II three-point hitch, and it supports power take-off (PTO) speeds of 540 and 1000 RPM. The specific dimensions of the tractor are a length of 147.6 inches, a height of 104 inches, and a wheelbase of 88.2 inches. The tractor's electrical system is supported by a 12-volt electric starter. This model's utility and capability make it suitable for a variety of tasks on the farm or field.
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Key Specifications

Category: Utility

Power Output: 71.8

Transmission: Synchromesh and Two-Speed Power Shift

Drive Type: 2WD / 4WD

Operating Weight: 6703 (2WD) / 7188 (4WD)

Fuel Type: Diesel

International Harvester 685 vs. Similar Tractors

Power Output
Average
Greater than 65% of similar tractors.
Operating Weight
Excellent
Greater than 98% of similar tractors.

Technical Specifications

Engine

Manufacturer
International Harvester
Model
D-239
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Direct injection
Cylinders
4
Displacement (ci)
239
Bore (in)
3.875
Stroke (in)
5.06
Rated RPM
2300
Power Output (hp)
71.8

Transmission

Type
Synchromesh and Two-Speed Power Shift
Forward Gears
16
Reverse Gears
8
Total Gears
24

Dimensions

Length (in)
147.6
Width (in)
-
Height (in)
104
Operating Weight (lb)
6703 (2WD) / 7188 (4WD)

Power Take-Off (PTO)

PTO Type
540/1000
PTO Speed 1 (rpm)
540
PTO Speed 2 (rpm)
1000
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD / 4x4 MFWD 4WD
Drive Type
2WD / 4WD
Steering Type
-
Coolant Capacity (qts)
-
Front Tire Diameter (in)
-
Front Tire Width (in)
10.00 (assumed from tire specification "10.00-16")
Rear Tire Diameter (in)
-
Rear Tire Width (in)
16.9 (assumed from tire specification "16.9-34")
Front/Rear Rim Diameter (in)
16 (front assumed), 34 (rear assumed) from tire specifications "10.00-16" and "16.9-34"
Tire Type
Agricultural
Manufacture - End Year
-
Hitch Type
Three-Point Hitch (assumed from Rear Type II)
Hitch Category
Category II (assumed from Rear Type II)
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
-
Starter Type
Electric
Brake Type
-
Hydraulic System Type
-