International Harvester industrial tractors

International Harvester 2500B

The International Harvester 2500B is an industrial tractor produced from 1974 to 1977. It features diesel and gasoline engine options, with power ratings up to 80 hp gross. The tractor offers multiple transmission options including 8-speed gear, 8-speed reverser, and hydrostatic. It has a wheelbase of 84 inches and weighs between 4240 to 4490 pounds depending on the fuel type. The 2500B includes power steering, independent hydraulic wet disc brakes, and an open operator station with optional four-post ROPS. It is equipped with a rear independent PTO of 540 rpm and a category II rear hitch. Hydraulics operate at 2500 psi with a 12 gpm pump flow. Electrical system is 12 volts with a 37 amp alternator and negative ground.

Power-

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Model2500B

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Technical Specifications

Detailed specifications and technical data for International Harvester 2500B

Power

Engine (net)	70 hp (52.2 kW)
Engine (gross)	80 hp (59.7 kW)
Gas gear PTO (claimed)	52 hp (38.8 kW)
Gas hydro PTO (claimed)	50 hp (37.3 kW)
Diesel gear PTO (claimed)	52 hp (38.8 kW)
Diesel hydro PTO (claimed)	53 hp (39.5 kW)
Gas gear Drawbar (claimed)	45 hp (33.6 kW)
Gas hydro Drawbar (claimed)	39 hp (29.1 kW)
Diesel gear Drawbar (claimed)	45 hp (33.6 kW)
Diesel hydro Drawbar (claimed)	42 hp (31.3 kW)

Tires

Rear tire	14.9-24
Front tire	7.50-16

Engine

Options	International Harvester 3.9L 4-cyl diesel, International Harvester 3.3L 4-cyl gasoline
Diesel type	diesel
Gasoline type	gasoline
Diesel cooling	liquid-cooled
Diesel cylinders	4-cylinder
Diesel rated RPM	2200 (gear), 2400 (hydro)
Gasoline cooling	liquid-cooled
Diesel bore/stroke	3.875x5.06 inches (98 x 129 mm)
Diesel compression	16:1
Diesel fuel system	direct injection
Diesel power (net)	70 hp (hydro) (52.2 kW), 59 hp (gear) (44.0 kW)
Fuel tank capacity	20 gal (75.7 L)
Gasoline cylinders	4-cylinder
Gasoline rated RPM	2200 (gear), 2400 (hydro)
Diesel displacement	239 ci (3.9 L)
Diesel engine model	International Harvester D-239
Diesel oil capacity	10 qts (9.5 L)
Diesel power (gross)	80 hp (hydro) (59.7 kW), 67 hp (gear) (50.0 kW)
Diesel starter volts	12
Gasoline bore/stroke	3.8125x4.39 inches (97 x 112 mm)
Gasoline compression	7.3:1
Gasoline power (net)	66 hp (hydro) (49.2 kW), 59 hp (gear) (44.0 kW)
Gasoline displacement	200 ci (3.3 L)
Gasoline engine model	International Harvester C-200
Gasoline oil capacity	7 qts (6.6 L)
Gasoline power (gross)	66 hp (gear) (49.2 kW), 74 hp (hydro) (55.2 kW)
Gasoline starter volts	12
Diesel coolant capacity	14 qts (13.2 L)
Gasoline coolant capacity	12 qts (11.4 L)

Dimensions

Width	75 inches (190 cm)
Length	138 inches (350 cm)
Wheelbase	84 inches (213 cm)
Ground clearance	9 inches (22 cm)
Gas Shipping weight	4240 lbs (1923 kg)
Diesel Shipping weight	4490 lbs (2036 kg)
Height (steering wheel)	54 inches (137 cm)

Electrical

Ground	negative
Battery volts	12
Charging amps	37
Charging system	alternator

Hydraulics

Pressure	2500 psi (172.4 bar)
Pump flow	12 gpm (45.4 lpm)

Mechanical

Drive	Two-wheel drive
Brakes	Independent hydraulic wet disc brakes
Power steering	Power steering
Operator station	Open operator station. Four-post ROPS available.

Production

Type	Industrial tractor
Manufacturer	International Harvester
Years produced	1974 - 1977

Transmission

Options	8-speed gear, 8-speed reverser
Gear type	gear
Gear gears	8 forward and 4 reverse
Reverser type	reverser
Reverser gears	8 forward and reverse
Hydrostatic type	hydrostatic
Gear oil capacity	36 qts (34.1 L)
Hydrostatic gears	infinite forward and reverse (2-range)
Reverser oil capacity	36 qts (34.1 L)
Hydrostatic oil capacity	36 qts (34.1 L)