Engine Horsepower: 68 hp
Manufactured: 1972 to 1973
International Harvester 664 Summary
The International Harvester 664 is a utility tractor produced from 1972 to 1973. It is powered by a 3.9L 4-cylinder diesel engine, delivering 54 hp at the drawbar and 62 hp at the PTO. Built in Rock Island, Illinois, this tractor was originally priced at $7,500 in 1973. The 664 features two transmission options, a 10-speed two-speed power shift, and a 5-speed gear. Variants are specific to the utility design and include key mechanical components like two-wheel drive, bull gear final drives, and an open operator station.

International Harvester 664 Horsepower, Weight, and Specifications:
Production
Who manufactured the International Harvester 664 and where was it built?
- Manufacturer: International Harvester
- Type: Utility tractor
- Build location: Rock Island, Illinois, USA
- Original price (1973): $7,500
Engine
What type of engine does the International Harvester 664 have?
- Engine: International Harvester 3.9L 4-cyl diesel
- Fuel tank capacity: 17.5 gal (66.2 L)
Transmissions
What types of transmissions are available for the International Harvester 664?
- 10-speed two-speed power shift
- 5-speed gear
Horsepower
What is the claimed horsepower of the International Harvester 664?
- Drawbar (claimed): 54 hp (40.3 kW)
- PTO (claimed): 62 hp (46.2 kW)
Mechanical
What kind of mechanical features does the International Harvester 664 have?
- Two-wheel drive
- Final drives: bull gear
- Power steering
- Mechanical disc brakes
- Open operator station
Hydraulics
What type of hydraulic system does the International Harvester 664 use?
- Type: open center
- Pump flow: 12 gpm (45.4 lpm)
Tractor Hitch
What type of hitch does the International Harvester 664 have?
- Rear Type: II
- Control: draft control
Power Take-off (PTO)
What PTO features are available on the International Harvester 664?
- Rear PTO: independent
- Clutch: hydraulic disc
- Rear PTO Type: 540 (1.375), 1000 (1.375)
- Engine RPM: 540@2000, 1000@2240
Dimensions & Tires
What are the dimensions and tire specifications of the International Harvester 664?
- Wheelbase: 74 inches (187 cm)
- Weight: 5950 lbs (2698 kg)
- Front tire: 6.50-16
- Rear tire: 14.9-30
Electrical
What electrical specifications does the International Harvester 664 have?
- Charging system: alternator
- Charging amps: 32
- Batteries: 2
- Battery volts: 6
- Battery AH: 135