International Harvester 250A
The International Harvester 250A is an industrial tractor produced from 1978 to 1982. It features a 3.9L 4-cylinder liquid-cooled diesel engine delivering up to 67 hp gross power. The tractor offers both gear and hydrostatic transmission options, with 8 forward and 4 reverse gears in the gear version and infinite speeds in the hydrostatic version. It has two-wheel drive, power steering, and independent hydraulic wet disc brakes. The 250A includes a two-post fixed ROPS for operator safety. Fuel capacity is 20 gallons, and the hydraulic system holds 14 gallons. The tractor hitch is category II/I, and the rear PTO is independent with a 540 rpm type. Dimensions include an 84-inch wheelbase, 138-inch length, and weights ranging from 5050 to 5250 pounds depending on configuration. Tires are 7.50x16 front and 14.9x24 rear. Variants include the standard 250A industrial tractor and the 250A TLB backhoe.
Power-
Founded-
Model250A
Technical Specifications
Detailed specifications and technical data for International Harvester 250A
Power
| Engine (net) | 60 hp (44.7 kW) |
|---|---|
| Engine (gross) | 67 hp (50.0 kW) |
Engine
| Type | diesel |
|---|---|
| Model | International Harvester D-239 |
| Cooling | liquid-cooled |
| Cylinders | 4-cylinder |
| Air cleaner | dry |
| Bore/Stroke | 3.875x5.06 inches (98 x 129 mm) |
| Displacement | 239 ci (3.9 L) |
| Oil capacity | 10 qts (9.5 L) |
| Gear Rated RPM | 2200 |
| Hydro Rated RPM | 2400 |
| Coolant capacity | 14 qts (13.2 L) |
| Gear Power (net) | 60 hp (44.7 kW) |
| Hydro Power (net) | 70 hp (52.2 kW) |
| Gear Power (gross) | 67 hp (50.0 kW) |
| Hydro Power (gross) | 80 hp (59.7 kW) |
Capacity
| Fuel | 20 gal (75.7 L) |
|---|---|
| Hydraulic system | 14 gal (53.0 L) |
Variants
| 250A | industrial tractor |
|---|---|
| 250A TLB | backhoe |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 14 gal (53.0 L) |
| Pressure | 2500 psi (172.4 bar) |
| Pump flow | 13.3 gpm (50.3 lpm) |
| Total flow | 15.8 gpm (59.8 lpm) |
| Steering flow | 2.5 gpm (9.5 lpm) |
Mechanical
| ROPS | Two-post fixed ROPS |
|---|---|
| Drive | Two-wheel drive |
| Brakes | Independent hydraulic wet disc brakes |
| Steering | Power steering |
Production
| Type | Industrial tractor |
|---|---|
| Years made | 1978 - 1982 |
| Manufacturer | International Harvester |
Transmission
| Type | gear |
|---|---|
| Gears | 8 forward and 4 reverse |
| Clutch | 279mm dry disc |
| Alternate type | hydrostatic |
| Alternate gears | infinite forward and reverse (2-range) |
Tractor hitch
| Rear Type | II/I |
|---|
Dimensions & Tires
| Width | 79 inches (200 cm) |
|---|---|
| Height | 86.3 inches (219 cm) |
| Length | 138 inches (350 cm) |
| Rear tire | 14.9x24 |
| Wheelbase | 84 inches (213 cm) |
| Front tire | 7.50x16 |
| Height (ROPS) | 89.5 inches (227 cm) |
| Width (Lo-Boy) | 83 inches (210 cm) |
| Ground clearance | 9 inches (22 cm) |
| Gear Shipping weight | 5050 lbs (2290 kg) |
| Hydro Shipping weight | 5250 lbs (2381 kg) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 |
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