International Harvester 966 Specs & Review

Technical Specifications of International Harvester 966 Tractor


  • Manufacturer: International Harvester
  • Type: Row-Crop tractor
  • Model Year: 1971 – 1976
  • Built in: Rock Island, Illinois, USA
  • Total Built: 21,017
  • Original Price: $18,000 in 1976
  • Variants: Hi-Clear (high-crop model)


  • International Harvester 6.8L 6-cyl diesel
  • Engine Power: 91 hp
  • Drawbar (claimed): 84 hp
  • PTO (claimed): 95 hp
  • Drawbar (tested): 85.21 hp
  • PTO (tested): 100.80 hp


  • 8-speed gear
  • 16-speed two-speed power shift
  • Hydrostatic


  • Two- or four-wheel drive
  • Power steering
  • Independent hydraulic dry disc brakes
  • Cab optional with heat and air-conditioning


  • Fuel: 37 gal
  • Hydraulic System: 22.5 gal


  • Type: Open center
  • Capacity: 22.5 gal
  • Pressure: 2000 psi
  • Valves: 1 to 4
  • Pump Flow: 12 gpm
  • Total Flow: 21 gpm
  • Steering Flow: 9 gpm
  • Steering Pressure: 1550 psi

Tractor Hitch

  • Rear Type: II
  • Rear Lift (at 24″/610mm): 4400 lbs
  • Type: IH Fast Hitch
  • Rear Lift: 5000 lbs (at 24 inches)

Power Take-off (PTO)

  • Rear PTO: Independent
  • Rear PTO Type: 540/1000

Dimensions & Tires

  • Wheelbase: 105 inches
  • Weight: 11116 to 11700 pounds
  • Front Tire: 9.5L-15
  • Rear Tire: 18.4-34


  • Charging Amps: 32
  • Batteries: 2
  • Battery Volts: 6
  • Battery AH: 172

Frequently Asked Questions (FAQ)

1. Where is the International Harvester 966 manufactured?

The tractor is manufactured in Rock Island, Illinois, USA.

2. What is the fuel capacity of the International Harvester 966?

The fuel capacity is 37 gallons.

3. What types of transmissions are available?

The tractor comes with an 8-speed gear, 16-speed two-speed power shift, and hydrostatic transmissions.

4. What is the engine power of the tractor?

The engine power is 91 hp.

5. What is the weight of the tractor?

The weight of the tractor ranges from 11116 to 11700 pounds.

International Harvester 966: A Robust Row-Crop Tractor

Key Specifications

The International Harvester 966 is a row-crop tractor that was produced between 1971 and 1976. It features a 6.8L 6-cylinder diesel engine that delivers 91 hp and comes with multiple transmission options, including an 8-speed gear and 16-speed two-speed power shift.


With an engine power of 91 hp, the tractor is well-suited for medium to large-scale farming tasks. The power steering and hydraulic dry disc brakes make it easy to maneuver and ensure safe operation.


The tractor offers two- or four-wheel drive options and features an optional cab with heat and air-conditioning. It also comes with a rear Type II hitch and an independent rear PTO.


The International Harvester 966 is known for its robust build and reliable performance. Its sturdy design and high-quality components make it a long-lasting choice for farming operations.

Value for Money

Given its range of features and capabilities, the tractor offers good value for money. It is a versatile machine that can handle various tasks efficiently.

Pros and Cons

  • Pros: Versatile, high engine power, robust build
  • Cons: Older model, may lack some modern features

Best Suited For

The tractor is best suited for medium to large-scale farming operations. Its high engine power and multiple transmission options make it ideal for a variety of tasks.

A Versatile and Reliable Choice for Farming

The International Harvester 966 stands out as a versatile and reliable row-crop tractor. Whether you’re involved in medium to large-scale farming, this tractor offers a blend of power, features, and reliability that make it a worthwhile investment.