International Harvester
634
Farm tractor · 1968–1972 · 66 hp
International Harvester634
The International Harvester 634 is a farm tractor manufactured from 1968 to 1972. It features a International Harvester BD-281 engine, and manual steering.
Engine
| Engine | International Harvester BD-281 |
|---|---|
| Fuel Type | diesel |
| Cylinders | 4 |
| Cooling | liquid-cooled |
| Displacement | 281 ci (4.6 L) |
| Bore | 4.13 in (105 mm) |
| Stroke | 5.25 in (133 mm) |
| Power Gross | 66 hp (49.2 kW) |
| Power Rated | 66 hp (49.2 kW) |
| Power PTO | 59.3 hp (44.2 kW) |
| Torque Peak | 225 lb-ft (305.1 Nm) |
| Torque Peak | 1,000 RPM |
| Starter Volts | 12 |
| Manufacturer | International Harvester |
| Rated | 1,600 RPM |
Transmission
| Gears | 8 forward and 2 reverse |
|---|---|
| Clutch | 330mm dry disc |
| Available Options | 8-speed |
Hydraulics
| Pump Flow | 10.4 gpm (39.4 lpm) |
|---|---|
| Pressure | 2,500 psi (172.4 bar) |
| Steering Flow | 4.8 gpm (18.2 lpm) |
PTO
| Rear Type | independent |
|---|
Hitch
| Rear Type | II |
|---|---|
| Rear Lift | 3,360 lbs (1,524 kg) |
| Hitch Control | position and draft control |
Dimensions
| Length | 150 in (381 cm) |
|---|---|
| Width | 65.5 in (166 cm) |
| Height Cab | 96 in (243 cm) |
| Wheelbase | 75 in (190 cm) |
| Front Tread | 60 in (152 cm) |
| Rear Tread | 60 in (152 cm) |
Weight
| Operating | 9,574 lbs (4,342 kg) |
|---|
Tires & Tracks
| Front Ag | 14-30 |
|---|---|
| Rear Ag | 14-30 |
Fuel
| Capacity | 20.4 gal (77.2 L) |
|---|
Steering
| Type | manual |
|---|---|
| Pressure | 1,500 psi (103.4 bar) |
Cab
| Cab | optional |
|---|
Compatible Implements
Rotary Cutters
| Model | Type | Width | Min HP |
|---|---|---|---|
| BEFCO BRC-160 | Rotary Cutters | 60" | 30 hp |
| Bush Hog BH210-3 variant 2 | Rotary Cutters | 72" | 30 hp |
| BEFCO BRC-260 | Rotary Cutters | 60" | 30 hp |
| Bush Hog BH310-2 | Rotary Cutters | 60" | 35 hp |
| BEFCO BRC-172 | Rotary Cutters | 72" | 35 hp |
| Land Pride RCF2760 | Rotary Cutters | 60" | 35 hp |
| Land Pride RCD1884 | Rotary Cutters | 84" | 35 hp |
| BEFCO RMD-360 | Rotary Cutters | 60" | 35 hp |
| Land Pride RCF2772 | Rotary Cutters | 72" | 35 hp |
| BEFCO BRC-272 | Rotary Cutters | 72" | 35 hp |
| BEFCO RMD-372 | Rotary Cutters | 72" | 40 hp |
| Land Pride RCF2696 | Rotary Cutters | 96" | 40 hp |
| Bush Hog BH310 variant 2 | Rotary Cutters | 72" | 45 hp |
| Land Pride RCR1884 | Rotary Cutters | 84" | 45 hp |
| Land Pride RCF2084 | Rotary Cutters | 84" | 45 hp |
| Land Pride RCF3096 - 3PT | Rotary Cutters | 96" | 50 hp |
| Land Pride RCF3696 - 3PT | Rotary Cutters | 96" | 50 hp |
| Bush Hog BH210-3 variant 3 | Rotary Cutters | 84" | 50 hp |
| BEFCO RHD-472 | Rotary Cutters | 72" | 50 hp |
| Land Pride RCR2596 - 3 PT | Rotary Cutters | 96" | 50 hp |
| Land Pride RCFM3696 - 3PT | Rotary Cutters | 96" | 50 hp |
| Bush Hog BH310 variant 3 | Rotary Cutters | 84" | 55 hp |
Box Blades
| Model | Type | Width | Min HP |
|---|---|---|---|
| Land Pride BB3578 | Box Blades | 78" | 45 hp |
| Land Pride BB3584 | Box Blades | 84" | 45 hp |
| Land Pride BB3596 | Box Blades | 96" | 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.