International Harvester

International Harvester 3588

The International Harvester 3588 is a four-wheel drive (4WD) farm tractor produced from 1978 to 1981 as part of the 30 2+2 Series. It features a turbocharged 7.6L 6-cylinder diesel engine (DT-466B) delivering up to 150.41 hp at the PTO. The tractor has a 16-speed two-range power shift transmission with torque amplifier, hydraulic wet disc brakes, and a standard cab. It has a wheelbase of 110 inches and weighs between 16,520 and 17,620 pounds. The 3588 is equipped with a closed center hydraulic system with 2 valves and a 12 gpm pump flow, and a category III rear hitch. The rear PTO is independent and runs at 1000 RPM at 2100 engine RPM. Tires are sized 18.4-38 front and rear. Total production was 5,643 units with an original price of $51,300 in 1981.

Power167 hp[P]

Founded1978 - 1981

Model3588

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Technical Specifications

Detailed specifications and technical data for International Harvester 3588

Power

PTO (tested)	150.41 hp (112.2 kW)
PTO (claimed)	150.41 hp (112.2 kW)
Drawbar (tested)	126.15 hp (94.1 kW)
Drawbar (claimed)	130 hp (96.9 kW)

Tires

Ag rear	18.4-38
Ag front	18.4-38

Engine

Type	turbocharged diesel
Model	International Harvester DT-466B
Cooling	liquid-cooled
Idle RPM	780-2665
Cylinders	6-cylinder
Fuel tank	90 gal (340.7 L)
Rated RPM	2400
Bore/Stroke	4.30x5.35 inches (109 x 136 mm)
Displacement	466 ci (7.6 L)
Oil capacity	20 qts (18.9 L)
Starter volts	12
Coolant capacity	34 qts (32.2 L)

Weight

Shipping	16520 lbs (7493 kg)
Operating	17620 lbs (7992 kg)
Max capacity	22000 lbs (9979 kg)

Dimensions

Width	101.6 inches (258 cm)
Length	228 inches (579 cm)
Wheelbase	110 inches (279 cm)
Height (cab)	115.8 inches (294 cm)
Clearance (rear axle)	26.7 inches (67 cm)
Clearance (front axle)	23.2 inches (58 cm)

Electrical

Ground	negative
Batteries	2
Battery volts	12
Charging amps	72
Charging system	alternator

Hydraulics

Type	closed center
Valves	2
Pump flow	12 gpm (45.4 lpm)

Mechanical

Cab	Standard
Brakes	Hydraulic wet disc brakes
Four-wheel drive	Yes

Production

Type	Four-wheel Drive (4WD) tractor
Series	30 2+2 Series
Years made	1978 - 1981
Total built	5,643
Original price	$51,300 in 1981

Transmission

Type	Torque Amplifier two-range power shift
Gears	16 forward and 8 reverse
Clutch	356mm dry disc
Description	Left lever selects high, low, or reverse range. Right lever selects gear. On-the-move power shift without the clutch between gear pairs 1/2, 3/4, 5/6, and 7/8. Synchronized shift (with the clutch) from 2-to-3, 4-to-5, and 6-to-7.
Oil capacity	94.5 qts (89.4 L)

Tractor hitch