International Harvester 644: all source data
All 40 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | International Harvester |
|---|
| (no label) | Row-Crop tractor |
|---|
| (no label) | Built in Neuss, Germany |
|---|
Engine| (no label) | International Harvester 3.4L 4-cyl diesel |
|---|
| Fuel tank | 19.6 gal | 74.2 L |
|---|
Transmission| (no label) | 8-speed |
|---|
Power| Engine | 60 hp | 44.7 kW |
|---|
Mechanical| (no label) | Two- or four-wheel drive |
|---|
| (no label) | Manual steering |
|---|
| (no label) | Open operator station. |
|---|
Hydraulics| Pump flow | 7.9 gpm | 29.9 lpm |
|---|
Hitch| Rear Type | II |
|---|
| Rear lift | 6394 lbs | 2900 kg |
|---|
Pto| Rear PTO Type | 540/1000 |
|---|
| Engine RPM | 540@1982 |
|---|
| Engine RPM | 1000@2000 |
|---|
Dimensions| Wheelbase | 87.8 inches | 223 cm |
|---|
| Weight | 6350 to 7078 pounds |
|---|
| Front tire | 7.50-16 |
|---|
| Rear tire | 16.9-30 |
|---|
Electrical| Ground | negative |
|---|
| Battery volts | 12 |
|---|
Engine
Engine detail| (no label) | International Harvester D-206 |
|---|
| (no label) | diesel |
|---|
| (no label) | 4-cylinder |
|---|
| (no label) | 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| Gears | 8 forward and 4 reverse |
|---|
Dimensions
Tires| Ag front | 7.50-16 |
|---|
| Ag front | 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 (2WD) | 6350 lbs | 2880 kg |
|---|
| 4WD Weight (4WD) | 7078 lbs | 3210 kg |
|---|