International Harvester 656 Specs & Review

Technical Specifications of International Harvester 656 Tractor


  • Manufacturer: International Harvester
  • Type: Utility tractor
  • Production Years: 1965 – 1973
  • Original Price: $7,400 in 1973

Engine Options

  • International Harvester 4.3L 6-cyl gasoline
  • International Harvester 4.6L 6-cyl diesel
  • International Harvester 4.3L 6-cyl LP gas
  • Fuel Tank Capacity: 23 gal (87.1 L)

Transmission Options

  • 5-speed sliding gear
  • 10-speed two-speed power shift
  • Hydrostatic

Power and Mechanical

  • PTO (claimed): 63.8 hp (47.6 kW)
  • Plows: 4-5
  • Drive: Two-wheel drive
  • Steering: Power steering
  • Brakes: Disc brakes
  • Operator Station: Open


  • Type: Open center
  • Valves: 0 to 2
  • Pump Flow: 12 gpm (45.4 lpm)

Hitch and PTO

  • Rear Type: II
  • Control: Lower-link draft sensing
  • Rear PTO: Independent
  • Rear RPM: 540/1000

Dimensions and Tires

  • Wheelbase: 80 inches (203 cm)
  • Weight: 5800 to 6100 pounds
  • Front Tire: 7.50-16
  • Rear Tire: 16.9-38


  • Front-end loader

Serial Numbers

  • Location: Clutch housing, right side
  • Years: 1966 to 1973 with varying serial numbers


  • Charging System: Alternator
  • Charging Amps: 55

Frequently Asked Questions

What is the fuel tank capacity of the International Harvester 656?

The fuel tank capacity is 23 gallons (87.1 L).

What are the transmission options available?

The tractor comes with 5-speed sliding gear, 10-speed two-speed power shift, and hydrostatic options.

What is the PTO power?

The claimed PTO power is 63.8 hp (47.6 kW).

What type of steering does it have?

The tractor is equipped with power steering.

What are the hydraulic specifications?

The hydraulic system is of the open center type with 0 to 2 valves and a pump flow of 12 gpm (45.4 lpm).

A Versatile Utility Tractor from International Harvester

Engine and Power

The International Harvester 656 comes with multiple engine options, including a 4.3L 6-cylinder gasoline engine, a 4.6L 6-cylinder diesel engine, and a 4.3L 6-cylinder LP gas engine. With a claimed PTO power of 63.8 hp, it offers decent power for various farming tasks.

Handling and Speed

The tractor provides a smooth ride with its two-wheel drive and power steering. The transmission options, including a 5-speed sliding gear and a 10-speed two-speed power shift, offer flexibility in speed and handling.

Comfort and Safety

The tractor features an open operator station, providing a clear view of the field. The disc brakes ensure effective stopping power, adding to the safety of the machine.

Durability and Maintenance

The tractor is built to last, with a robust design and quality materials. However, it’s essential to follow the manufacturer’s guidelines for regular maintenance to ensure longevity.

Affordability and Market Comparison

Originally priced at $7,400 in 1973, the tractor offers a range of features that make it a value-for-money option when compared to other models in the market.

Strengths and Weaknesses

  • Pros: Versatile engine options, multiple transmission choices, power steering, and good PTO power.
  • Cons: Open operator station may not be suitable for all weather conditions, limited hydraulic valves.

Ideal Work Conditions

The tractor is best suited for medium-scale farming tasks and can handle various terrains. Its two-wheel drive and power steering make it easy to maneuver.

Final Thoughts

The International Harvester 656 is a reliable and versatile utility tractor that offers a good range of features for its price. Whether you’re looking for power, flexibility, or durability, this tractor has got you covered.