International Harvester
644
Farm tractor · 1974–1980 · 60 hp
International Harvester644
The International Harvester 644 is a farm tractor manufactured from 1974 to 1980. It features a International Harvester D-206 engine, and manual steering. It weighs 6,350 lbs (2,880 kg).
Engine
| Engine | International Harvester D-206 |
|---|---|
| Fuel Type | diesel |
| Cylinders | 4 |
| Cooling | liquid-cooled |
| Displacement | 206.4 ci (3.4 L) |
| Bore | 3.88 in (98 mm) |
| Stroke | 4.38 in (111 mm) |
| Power Gross | 60 hp (44.7 kW) |
| Power Rated | 60 hp (44.7 kW) |
| Starter Volts | 12 |
| Manufacturer | International Harvester |
| Rated | 2,150 RPM |
Transmission
| Gears | 8 forward and 4 reverse |
|---|---|
| Available Options | 8-speed |
Hydraulics
| Pump Flow | 7.9 gpm (29.9 lpm) |
|---|
PTO
| Rear Type | 540/1000 |
|---|
Hitch
| Rear Type | II |
|---|---|
| Rear Lift | 6,394 lbs (2,900 kg) |
Dimensions
| Length | 148.8 in (377 cm) |
|---|---|
| Height | 98 in (248 cm) |
| Wheelbase | 87.8 in (223 cm) |
Weight
| Weight | 6,350 lbs (2,880 kg) |
|---|
Tires & Tracks
| Front Ag | 7.50-16 |
|---|---|
| Rear Ag | 16.9-30 |
Fuel
| Capacity | 19.6 gal (74.2 L) |
|---|
Steering
| Type | manual |
|---|
Compatible Implements
| Model | Type | Width | Min HP |
|---|---|---|---|
| Land Pride BB3584 | Box Blades | 84" | 45 hp |
| Land Pride BB3596 | Box Blades | 96" | 45 hp |
| Land Pride BB3578 | Box Blades | 78" | 45 hp |
Checked: 3-point hitch category, PTO horsepower. Not checked: PTO speed (540/1000), hydraulic flow, 3-point lift capacity, rear remotes, ballast.
These implements meet this tractor's hitch and PTO-HP requirements — this is not a full compatibility guarantee. Confirm the remaining specs with your dealer before purchasing.