International Harvester 268 Hydro
The International Harvester 268 Hydro is an industrial tractor produced from 1977 to 1984. It features a 4.0L 4-cylinder diesel engine delivering 80 hp gross and 77.4 hp net power. The tractor uses a hydrostatic transmission with infinite forward and reverse speeds. It has two-wheel drive with mechanical rear differential lock, power steering, and hydraulic wet disc brakes. The open operator station has an optional cab with heater. Hydraulics are open center type with 2500 psi pressure and 12.9 gpm pump flow. The rear hitch is category II with position and draft control, capable of lifting 4400 lbs standard and 5250 lbs optional. The rear PTO is independent with a 127mm hydraulic wet disc clutch and runs at 540 RPM at 2112 engine RPM. Dimensions include an 88 inch wheelbase, 141 inch length, and operating weight of 6270 lbs with cab and hitch. Tires vary with industrial front and rear options. Electrical system is negative ground with a 45 amp alternator and 12 volt battery.
Power-
Founded-
Model268 Hydro
Technical Specifications
Detailed specifications and technical data for International Harvester 268 Hydro
Power
| Engine (net) | 77.4 hp (57.7 kW) |
|---|---|
| Engine (gross) | 80 hp (59.7 kW) |
Tires
| Industrial rear | 16.9/14x30, 16.9/14x28 |
|---|---|
| Industrial front | 7.50x16, 7.50x18 |
Engine
| Type | 4.0L 4-cyl diesel, liquid-cooled |
|---|---|
| Model | International Harvester D-246 |
| Torque | 194.2 lb-ft (263.3 Nm) |
| Fuel tank | 20.3 gal (76.8 L) |
| Rated RPM | 2400 |
| Torque RPM | 1600 |
| Air cleaner | dry |
| Bore/Stroke | 3.94x5.06 inches (100 x 129 mm) |
| Power (net) | 77.4 hp (57.7 kW) |
| Displacement | 246 ci (4.0 L) |
| Oil capacity | 9 qts (8.5 L) |
| Power (gross) | 80 hp (59.7 kW) |
| Starter volts | 12 |
| Coolant capacity | 14.5 qts (13.7 L) |
Dimensions
| Width | 67 inches (170 cm) |
|---|---|
| Length | 141 inches (358 cm) |
| Wheelbase | 88 inches (223 cm) |
| Rear tread | 60 to 76 inches (152 to 193 cm) |
| Front tread | 52 to 77 inches (132 to 195 cm) |
| Height (cab) | 94 inches (238 cm) |
| Operating weight | 6270 lbs (2844 kg) *Weight with cab and three-point hitch. |
| Clearance (drawbar) | 12 inches (30 cm) |
| Clearance (rear axle) | 23 inches (58 cm) |
| Clearance (front axle) | 15 inches (38 cm) |
| Height (steering wheel) | 64 inches (162 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery AH | 95 |
| Battery volts | 12 |
| Charging amps | 45 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Pressure | 2500 psi (172.4 bar) |
| Pump flow | 12.9 gpm (48.8 lpm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Hydraulic wet disc brakes |
| Power steering | yes |
| Operator station | Open operator station. Cab optional with available heater. |
| Differential lock | mechanical rear |
Production
| Type | Industrial tractor |
|---|---|
| Years made | 1977 - 1984 |
| Manufacturer | International Harvester |
Transmission
| Type | hydrostatic |
|---|---|
| Gears | infinite forward and reverse |
| Oil capacity | 66 qts (62.5 L) |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | II |
| Optional rear lift | 5250 lbs (2381 kg) |
| Rear lift (at ends) | 4400 lbs (1995 kg) |
Serial Numbers
| Location | Serial number plate on the right side of the tractor frame, above the front axle. |
|---|
Power Take-off (PTO)
| Clutch | 127mm hydraulic wet disc |
|---|---|
| Rear PTO | independent |
| Engine RPM | 540@2112 |
| Rear PTO Type | 540 (1.375) |
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