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International Harvester 2500B

International Harvester 2500B tractor
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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.
International Harvester2500Bindustrial tractorspecificationsenginetransmissionpowerdimensionshydraulicsPTO
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Model2500B

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)

Tractor hitch

Rear Type:II

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540

Related Models

International Harvester 2500A

Model:2500A