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International Harvester 2510B

International Harvester 2510B tractor
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The International Harvester 2510B is an industrial tractor produced from 1974 to 1977. It features options for a 3.9L 4-cylinder diesel or a 3.3L 4-cylinder gasoline engine, with power outputs ranging from 59 to 80 hp gross depending on engine and configuration. The tractor offers 8-speed gear and reverser transmissions, hydrostatic options, and is equipped with two-wheel drive, power steering, and independent hydraulic wet disc brakes. It has a wheelbase of 84 inches and is fitted with 7.50-16 front tires and 14.9-24 rear tires. The 2510B includes an open operator station with optional four-post ROPS. Hydraulics are open center with a pressure of 2500 psi and multiple pump flows for main, transmission, and loader functions. The tractor hitch is category II, and the PTO is independent with a 540 rpm rear PTO. Attachments include a front-end loader with a lift capacity of 4500 lbs and breakout force of 6200 lbs, with detailed reach, dump, rollback, and cycle times.
International Harvester2510Bindustrial tractordiesel enginegasoline engine80 hp8-speed transmissionloaderPTOhydraulicsdimensions
Power-
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Model2510B

Technical Specifications

Detailed specifications and technical data for International Harvester 2510B

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)

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)

Variants

2500B:utility tractor
2505B:utility loader
2510B:Pay loader
2514B:loader-backhoe

Dimensions

Width:75 inches (190 cm)
Length:174 inches (441 cm)
Rear tire:14.9-24
Wheelbase:84 inches (213 cm)
Front tire:7.50-16
Ground clearance:9 inches (22 cm)
Height (steering wheel):54 inches (137 cm)

Electrical

Ground:negative
Battery volts:12
Charging amps:37
Charging system:alternator

Hydraulics

Type:open center
Pressure:2500 psi (172.4 bar)
Pump flow:12 gpm (main) (45.4 lpm), 4 gpm (transmission pump) (15.1 lpm), 18 gpm (loader pump) (68.1 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

Attachments

Loader:International Loader
Dump time:1.2s
Dump angle:51°
Raise time:3.9s
Reach (dumped):20 inches (50 cm)
Reach (ground):68 inches (172 cm)
Height (at pin):127 inches (322 cm)
Clearance (dumped):103 inches (261 cm)
Rollback (ground line):41°
Breakout force (at pin):6200 lbs (2812 kg)
Lift capacity (full at pin):4500 lbs (2041 kg)

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