International Harvester 644

The International Harvester 644 is a tractor produced by International Harvester. It is equipped with a 206.4 ci 3.4 L engine. The rated power output is 60 hp 44.7 kW. Transmission: 8 forward and 4 reverse. Operating weight: 6350 to 7078 pounds.

Overview

	1974 - 1980 Row-Crop tractor
1974 - 1980
Row-Crop tractor

Production
Manufacturer	International Harvester
Row-Crop tractor
Built in Neuss, Germany

International Harvester 644 Engine
International Harvester 3.4L 4-cyl diesel
Fuel tank	19.6 gal 74.2 L
Engine details ...

International Harvester 644 Transmission
8-speed
Transmission details ...

International Harvester 644 Power
Engine	60 hp 44.7 kW

Mechanical
Two- or four-wheel drive
Manual steering
Open operator station.

Hydraulics
Pump flow	7.9 gpm 29.9 lpm

Tractor hitch
Rear Type	II
Rear lift	6394 lbs 2900 kg

Power Take-off (PTO)
Rear PTO Type	540/1000
Engine RPM	540@1982
	1000@2000

Dimensions & Tires
Wheelbase	87.8 inches 223 cm
Weight	6350 to 7078 pounds
Front tire	7.50-16
Rear tire	16.9-30
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

Engine

Engine Detail — 206.4 ci / 3.4 L Diesel

Manufacturer	International Harvester D-206
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	206.4 ci 3.4 L
Bore/Stroke	3.875x4.38 inches 98 x 111 mm
Power	60 hp 44.7 kW
Rated RPM	2150
Starter volts	12

Transmission

Transmission — 8 forward and 4 reverse

Gears	8 forward and 4 reverse

Dimensions

International Harvester 644 Tires
Ag front	7.50-16
	9.5-24 (MFWD)
Ag rear	16.9-30

Dimensions
Wheelbase	87.8 inches 223 cm
Length	148.8 inches 377 cm
Height	98 inches 248 cm
2WD Weight	6350 lbs 2880 kg
4WD Weight	7078 lbs 3210 kg

Photos

International Harvester 644 utility tractor.

International 644 with hay tedder.