International Harvester industrial tractors

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 rear16.9/14x30, 16.9/14x28
Industrial front7.50x16, 7.50x18
Engine
Type4.0L 4-cyl diesel, liquid-cooled
ModelInternational Harvester D-246
Torque194.2 lb-ft (263.3 Nm)
Fuel tank20.3 gal (76.8 L)
Rated RPM2400
Torque RPM1600
Air cleanerdry
Bore/Stroke3.94x5.06 inches (100 x 129 mm)
Power (net)77.4 hp (57.7 kW)
Displacement246 ci (4.0 L)
Oil capacity9 qts (8.5 L)
Power (gross)80 hp (59.7 kW)
Starter volts12
Coolant capacity14.5 qts (13.7 L)
Dimensions
Width67 inches (170 cm)
Length141 inches (358 cm)
Wheelbase88 inches (223 cm)
Rear tread60 to 76 inches (152 to 193 cm)
Front tread52 to 77 inches (132 to 195 cm)
Height (cab)94 inches (238 cm)
Operating weight6270 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
Groundnegative
Battery AH95
Battery volts12
Charging amps45
Charging systemalternator
Hydraulics
Typeopen center
Pressure2500 psi (172.4 bar)
Pump flow12.9 gpm (48.8 lpm)
Mechanical
DriveTwo-wheel drive
BrakesHydraulic wet disc brakes
Power steeringyes
Operator stationOpen operator station. Cab optional with available heater.
Differential lockmechanical rear
Production
TypeIndustrial tractor
Years made1977 - 1984
ManufacturerInternational Harvester
Transmission
Typehydrostatic
Gearsinfinite forward and reverse
Oil capacity66 qts (62.5 L)
Tractor hitch
Controlposition and draft control
Rear TypeII
Optional rear lift5250 lbs (2381 kg)
Rear lift (at ends)4400 lbs (1995 kg)
Serial Numbers
LocationSerial number plate on the right side of the tractor frame, above the front axle.
Power Take-off (PTO)
Clutch127mm hydraulic wet disc
Rear PTOindependent
Engine RPM540@2112
Rear PTO Type540 (1.375)