International Harvester industrial tractors

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
Typediesel
ModelInternational Harvester D-239
Coolingliquid-cooled
Cylinders4-cylinder
Air cleanerdry
Bore/Stroke3.875x5.06 inches (98 x 129 mm)
Displacement239 ci (3.9 L)
Oil capacity10 qts (9.5 L)
Gear Rated RPM2200
Hydro Rated RPM2400
Coolant capacity14 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
Fuel20 gal (75.7 L)
Hydraulic system14 gal (53.0 L)
Variants
250Aindustrial tractor
250A TLBbackhoe
Hydraulics
Typeopen center
Capacity14 gal (53.0 L)
Pressure2500 psi (172.4 bar)
Pump flow13.3 gpm (50.3 lpm)
Total flow15.8 gpm (59.8 lpm)
Steering flow2.5 gpm (9.5 lpm)
Mechanical
ROPSTwo-post fixed ROPS
DriveTwo-wheel drive
BrakesIndependent hydraulic wet disc brakes
SteeringPower steering
Production
TypeIndustrial tractor
Years made1978 - 1982
ManufacturerInternational Harvester
Transmission
Typegear
Gears8 forward and 4 reverse
Clutch279mm dry disc
Alternate typehydrostatic
Alternate gearsinfinite forward and reverse (2-range)
Tractor hitch
Rear TypeII/I
Dimensions & Tires
Width79 inches (200 cm)
Height86.3 inches (219 cm)
Length138 inches (350 cm)
Rear tire14.9x24
Wheelbase84 inches (213 cm)
Front tire7.50x16
Height (ROPS)89.5 inches (227 cm)
Width (Lo-Boy)83 inches (210 cm)
Ground clearance9 inches (22 cm)
Gear Shipping weight5050 lbs (2290 kg)
Hydro Shipping weight5250 lbs (2381 kg)
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type540