International Harvester 6588

The International Harvester 6588 is a tractor produced by International Harvester. It is equipped with a 466 ci 7.6 L engine. The rated power output is 177 hp 132.0 kW. Transmission: 16 forward and 8 reverse. Operating weight: 16320 lbs 7402 kg.

Overview

	1981 - 1984 60 2+2 Series
1981 - 1984
60 2+2 Series

Production
Manufacturer	International Harvester
Total built	642
Original price was $65,100 in 1984

International Harvester 6588 Engine
International Harvester 7.6L 6-cyl diesel
Engine details ...

International Harvester 6588 Transmission
16-speed two-range power shift
Transmission details ...

International Harvester 6588 Power
Engine	177 hp 132.0 kW
Drawbar (claimed)	130 hp 96.9 kW
PTO (claimed)	150 hp 111.9 kW
Drawbar (tested)	126.15 hp 94.1 kW
PTO (tested)	150.41 hp 112.2 kW
Performance test details ...

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

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

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

Tractor hitch
Rear Type	III/II

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000

Dimensions & Tires
Wheelbase	110 inches 279 cm
Weight	16320 lbs 7402 kg
Front tire	18.4-38
Rear tire	18.4-38
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

References
Buyer's Guide 1982 published by International Harvester
2+2 Tractors 130/150/170 HP published in 1981, by International Harvester

Engine

Engine Detail — 466 ci / 7.6 L Diesel

Manufacturer	International Harvester DT 466B
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled
Displacement	466 ci 7.6 L
Bore/Stroke	4.30x5.35 inches 109 x 136 mm
Power	177 hp 132.0 kW
Rated RPM	2400
Starter volts	12
Oil capacity	20 qts 18.9 L
Coolant capacity	34 qts 32.2 L

International Harvester 6588 Engine

Transmission

Transmission — 16 forward and 8 reverse two-range power shift

Type	two-range power shift
Gears	16 forward and 8 reverse
Oil capacity	94.5 qts 89.4 L
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.
With 18.4-34 tires.

Dimensions

International Harvester 6588 Tires
Ag front	18.4-38
Ag rear	18.4-38

Dimensions
Wheelbase	110 inches 279 cm
Length	228.3 inches 579 cm
Width	101.61 inches 258 cm
Shipping weight	16320 lbs 7402 kg
Ground clearance	28.4 inches 72 cm

International Harvester 6588 Height
Hood	79.9 inches 202 cm
Cab	114.1 inches 289 cm
Exhaust	125.4 inches 318 cm

Tests

Nebraska Tractor Test 1320
Diesel 16-speed 4WD August 22 - 29, 1979 Link: Nebraska Tractor Test 1320 file
PTO performance
Power at rated engine speed	150.41 hp 112.2 kW
Fuel use	9.6 gal/hour 36.3 l/hour
Power at rated PTO speed	152.07 hp 113.4 kW
Fuel use	9.0 gal/hour 34.1 l/hour
Drawbar performance
Max power	126.15 hp 94.1 kW
Fuel use	9.6 gal/hour 36.3 l/hour
Gear 4LoDD used for power test.
Max pull	17589 lbs 7978 kg
Gear 1LoDD used for pull test.

Photos

International Harvester 6588