International Harvester industrial tractors

International Harvester 2510B

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.

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Model2510B

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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)