International Harvester

International Harvester 6588

The International Harvester 6588 is a farm tractor produced from 1981 to 1984 as part of the 60 2+2 Series. It features a 7.6L 6-cylinder turbocharged diesel engine producing 177 hp, with a 16-speed two-range power shift transmission. The tractor includes four-wheel drive, articulated hydrostatic power steering, and a standard cab with heat and A/C. Fuel capacity is 89 gallons with an optional 139 gallons. It has a wheelbase of 110 inches and weighs 16,320 lbs. The 6588 was built in a total of 642 units and originally sold for $65,100 in 1984.

Power177 hp

Founded1981 - 1984

Model6588

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Technical Specifications

Detailed specifications and technical data for International Harvester 6588

Power

Engine	177 hp (132.0 kW)
PTO (tested)	150.41 hp (112.2 kW)
PTO (claimed)	150 hp (111.9 kW)
Drawbar (tested)	126.15 hp (94.1 kW)
Drawbar (claimed)	130 hp (96.9 kW)

Engine

Type	turbocharged diesel
Model	International Harvester DT 466B
Power	177 hp (132.0 kW)
Cooling	liquid-cooled
Cylinders	6-cylinder
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)

Capacity

Fuel	89 gal (336.9 L), 139 gal (optional) (526.1 L)
Hydraulic system	23.6 gal (89.3 L)

Electrical

Ground	negative
Battery volts	12

Hydraulics

Type	closed center
Valves	2 to 4
Capacity	23.6 gal (89.3 L)
Pump flow	18 gpm (68.1 lpm)
Steering flow	12 gpm (45.4 lpm)

Mechanical

Cab	standard with burgundy finish, heat, and A/C. Optional western finish interior.
Steering	articulated hydrostatic power
Four-wheel drive	Yes

Production

Series	60 2+2 Series
Total built	642
Manufacturer	International Harvester
Original price	$65,100 in 1984
Years produced	1981 - 1984

Transmission

Type	two-range power shift
Gears	16 forward and 8 reverse
Description	Left lever selects high, low, or reverse range. Right lever selects gear. On-the-move powershift 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

Rear Type	III/II

Serial Numbers

1981	8801
1982	8966
1983	9164
1984	9361
1985	9526
Location	transmission housing, right side

Dimensions & Tires

Width	101.61 inches (258 cm)
Length	228.3 inches (579 cm)
Rear tire	18.4-38
Wheelbase	110 inches (279 cm)
Cab height	114.1 inches (289 cm)
Front tire	18.4-38
Hood height	79.9 inches (202 cm)
Exhaust height	125.4 inches (318 cm)
Shipping weight	16320 lbs (7402 kg)
Ground clearance	28.4 inches (72 cm)