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TractorStack.International Harvester 644 — Joost J. Bakker from IJmuiden, CC BY 2.0. Resized; converted to WebP. · Joost J. Bakker from IJmuiden · CC BY 2.0 commons.wikimedia.org source ↗ International Harvester 644 — Joost J. Bakker from IJmuiden, CC BY 2.0. Resized; converted to WebP. · Joost J. Bakker from IJmuiden · CC BY 2.0 commons.wikimedia.org source ↗
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Years in Production / 1974–1980
International Harvester
644
Explore the specifications, hardware, and original references for the International Harvester 644.
60hp
Source index power
MFWD Optional
Drive
1974–1980
Production years
International Harvester
Manufacturer
644 / 01
At a glance
Overview
1974 - 1980
Row-Crop tractor
Production
Row-Crop tractor
Built in Neuss, Germany
- Manufacturer
- International Harvester
Mechanical
Two- or four-wheel drive
Manual steering
Open operator station.
Hydraulics
- Pump Flow
- 7.9 gpm29.9 lpm
Hitch
- Rear Type
- II
- Rear Lift
- 6394 lbs2900 kg
Pto
- Rear Type
- 540/1000
- Engine Rpm
- 540@1982
- Engine Rpm
- 1000@2000
Electrical
- Ground
- negative
- Battery Volts
- 12
644 / 02
Under the hood
Engine Detail
International Harvester D-206
diesel
4-cylinder
liquid-cooled
- Displacement
- 206.4 ci3.4 L
- Bore Stroke
- 3.875x4.38 inches98 x 111 mm
- Power
- 60 hp44.7 kW
- Rated Rpm
- 2150
- Starter Volts
- 12
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
International Harvester 3.4L 4-cyl diesel
- Fuel Tank
- 19.6 gal74.2 L
644 / 03
Gears & controls
Transmission
- Gears
- 8 forward and 4 reverse
International Harvester644 Transmission
8-speed
644 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Wheelbase
- 87.8 inches223 cm
- Weight
- 6350 to 7078 pounds
- Front Tire
- 7.50-16
- Rear Tire
- 16.9-30
Tires And Tracks
- Front Ag
- 7.50-16
- Front Ag
- 9.5-24 (MFWD)
- Rear Ag
- 16.9-30
644 / 05
Tractor Photos
See it in action
Videos
Watch International Harvester 644 videos from their original YouTube creators.