International Harvester 664 tractor

International Harvester 664

Power

68 hp[P] hp

Production

1972-1973

Engine

Naltural diesel, 4-cylinder

Transmission

Torque Amplifier

Weight

5950 lbs [2698 kg]

Drive

2WD

Introduction

International Harvester 664 Utility Tractor

The International Harvester 664 is a utility tractor produced between 1972 and 1973 in Rock Island, Illinois, USA. Designed for general agricultural tasks, this 68-horsepower machine represents the standard mechanical utility configurations of the early 1970s.

Engine and Performance

The tractor is powered by the International Harvester D239, a 4-cylinder, liquid-cooled natural diesel engine. It features direct injection and a displacement of 239 cubic inches (3.9 liters). The engine operates at a rated speed of 2400 RPM, with a compression ratio of 16:1.

Transmission and Drivetrain

The 664 offers two transmission configurations: a 5-speed gear transmission or a 10-speed transmission equipped with a two-speed power shift (Torque Amplifier). Both systems utilize a 279mm dry disc clutch. The unit is a two-wheel-drive model featuring power steering, bull gear final drives, and mechanical disc brakes.

Hydraulics and Hitch

The hydraulic system is an open-center design providing a pump flow of 12 gallons per minute (45.4 liters per minute). It is equipped with a Category II rear hitch featuring draft control to manage implement depth and load.

PTO and Electrical

The tractor is equipped with an independent rear PTO. It supports 540 RPM at 2000 engine RPM and 1000 RPM at 2240 engine RPM. The electrical system utilizes an alternator for charging, supported by a 12-volt starter and a dual 6-volt battery setup with 135 ampere-hour capacity.

Conclusion

With its 68 horsepower output and versatile transmission options, the International Harvester 664 is suited for standard field operations and utility work. Its robust construction and mechanical simplicity make it a functional choice for general farming applications of its era.

Production Information of International Harvester, 664

  • Original price was $7,500 in 1973
  • Utility tractor
  • Built in Rock Island, Illinois, USA
ManufacturerInternational Harvester

Dimension and Tires Information of International Harvester, 664

Clearance (drawbar)10 inches [25 cm]
Wheelbase74 inches [187 cm]
Shipping weight5950 lbs [2698 kg]
Height (steering wheel)62 inches [157 cm]
Length139 inches [353 cm]
Front tread54 to 78 inches [137 to 198 cm]
Clearance (front axle)19 inches [48 cm]
Width70 inches [177 cm]
Rear tread56 to 76 inches [142 to 193 cm]

Minimum width

Ag front6.50-16
Ag rear14.9-30

Engine Specifications of International Harvester, 664

  • International Harvester D239
  • Liquid-cooled
  • Naltural diesel
  • 4-cylinder
Coolant capacity17 qts [16.1 L]
Air cleanerDry
Compression16:1
Idle RPM900-2400
Rated RPM2400
Displacement239 ci [3.9 L]
Fuel systemDirect inejction
Bore/Stroke3.875x5.06 inches [98 x 129 mm]
Oil capacity10 qts [9.5 L]
Starter volts12
StarterElectric

Transmission Information of International Harvester, 664

Transmission variants 1

TransmissionTorque Amplifier
Clutch279mm dry disc
TypeTwo-speed power shift
Gears10 forward and 2 reverse

Transmission variants 2

TypeGear
Gears5 forward and 1 reverse
Clutch279mm dry disc
  • 10-speed two-speed power shift
  • 5-speed gear

Mechanical Specs of International Harvester, 664

  • Two-wheel drive
  • Open operator station.
  • Mechanical disc brakes
  • Power steering
Final drivesBull gear

Power Information of International Harvester, 664

Rear PTOIndependent
Engine RPM540@2000
Engine RPM(optional)1000 (1.375)
ClutchHydrauilc disc
Clutch(optional)1000@2240
Rear PTO Type540 (1.375)

Hydraulics Specifications of International Harvester, 664

TypeOpen center
Pump flow12 gpm [45.4 lpm]

Three-Point Hitch of International Harvester, 664

Rear TypeII
ControlDraft control

Electrical System of International Harvester, 664

Charging systemAlternator
Battery AH135
Battery volts6
Charging amps32
Batteries2

Where it sits

With 68 hp[P] HP, the International Harvester 664 sits between 833 (67 HP) and 684 (69 HP) in International Harvester's range. Its power puts it in the 49th percentile of 1970s models in our database (1259 machines).

Frequently asked questions

How much horsepower does the International Harvester 664 have?

The International Harvester 664 delivers 68 hp[P] HP.

What years was the International Harvester 664 produced?

The International Harvester 664 was produced in 1972-1973.

What engine does the International Harvester 664 have?

The International Harvester 664 is powered by a Naltural diesel, 4-cylinder engine.

What transmission does the International Harvester 664 use?

The International Harvester 664 uses a Torque Amplifier transmission.

How much does the International Harvester 664 weigh?

The International Harvester 664 weighs 5950 lbs [2698 kg].

Is the International Harvester 664 4WD?

The International Harvester 664 is available in 2WD.

Compare the International Harvester 664 with another model