Engine Horsepower: 73 hp
Manufactured: 1976 to 1980
International Harvester 686 Summary
The International Harvester 686 was produced from 1976 to 1980, with a total of 6,000 units built. It has a tested drawbar power of 58.01 hp and PTO power of 66.36 hp. This tractor comes with either a 5.1L 6-cylinder diesel engine or a 4.8L 6-cylinder gasoline engine. Production saw a significant change in 1979, when the 310 diesel engine replaced the 312.

International Harvester 686 Horsepower, Weight, and Specifications:
Production
Who manufactured the International Harvester 686 and how many were built?
- Manufacturer: International Harvester
- Total built: 6,000
- Original price: $14,700 (1980)
Horsepower
What is the horsepower of the International Harvester 686?
- Drawbar (tested): 58.01 hp / 43.3 kW
- PTO (tested): 66.36 hp / 49.5 kW
Engines
What engines are available for the International Harvester 686?
- International Harvester 5.1L 6-cyl diesel
- International Harvester 4.8L 6-cyl gasoline
Mechanical
What are the mechanical specifications of the International Harvester 686?
- Chassis: 4x2 2WD
- Steering: power
- Brakes: disc
- Cab: Two-post fixed ROPS
- Transmission: 10-speed two-speed power shift
Capacity
What are the capacities of the International Harvester 686?
- Fuel: 31 gal / 117.3 L
- Hydraulic system: 16 gal / 60.6 L
Hydraulics
What are the hydraulic characteristics of the International Harvester 686?
- Type: open center
- Capacity: 16 gal / 60.6 L
- Total flow: 12 gpm / 45.4 lpm
Tractor hitch
What type of hitch does the International Harvester 686 have?
- Rear Type: II
Power Take-off (PTO)
What type of PTO is equipped on the International Harvester 686?
- Rear PTO: independent
- Rear RPM: 540 (1.375)
Dimensions & Tires
What are the dimensions and tire sizes of the International Harvester 686?
- Wheelbase: 103 inches / 261 cm
- Weight: 7770 lbs / 3524 kg
- Front tire: 7.50-16
- Rear tire: 15.5-38
Disclaimer: The information provided on this page may be less than 100% accurate. Always check the manufacturer's official manual.