International Harvester 6588 Specs ( 1981-1984 )

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Production

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

Engine

Engine type International Harvester 7.6L 6-cyl diesel
Bore/Stroke 4.30x5.35 inches (109 x 136 mm)
Coolant capacity 34 qts (32.2 L)
Description International Harvester DT 466B / turbocharged diesel / 6-cylinder / liquid-cooled
Displacement 466 ci (7.6 L)
Oil capacity 20 qts (18.9 L)
Power 177 hp (132.0 kW)
Rated RPM 2400
Starter volts 12
Drawbar (claimed) 130 hp (96.9 kW)
Drawbar (tested) 126.15 hp (94.1 kW)
PTO (claimed) 150 hp (111.9 kW)
PTO (tested) 150.41 hp (112.2 kW)

Transmission

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.
Gears 16 forward and 8 reverse
Oil capacity 94.5 qts (89.4 L)
Transmission type 16-speed two-range power shift
Type two-range power shift

Mechanical

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

Capacity

Fuel 89 gal (336.9 L)
Hydraulic system 23.6 gal (89.3 L)

Hydraulics

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

Hitch

Rear Type III/II

PTO

Rear PTO independent
Rear PTO Type 1000

Electrical

Battery volts 12
Ground negative

Dimensions & Tires

Ground clearance 28.4 inches (72 cm)
Length 228.3 inches (579 cm)
Shipping weight 16320 lbs (7402 kg)
Wheelbase 110 inches (279 cm)
Width 101.61 inches (258 cm)
Front tire 18.4-38
Rear tire 18.4-38
Weight 16320 lbs (7402 kg)
Wheelbase 110 inches (279 cm)
Ag front 18.4-38
Ag rear 18.4-38

6588 Serial Numbers

1981 8801
1982 8966
1983 9164
1984 9361
1985 9526
Description FAQ: How to read a serial number table.
Location: transmission housing, right side

International Harvester 6588 Height

Cab 114.1 inches (289 cm)
Exhaust 125.4 inches (318 cm)
Hood 79.9 inches (202 cm)

Nebraska Tractor Test 1320

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

References

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

Speeds

Description With 18.4-34 tires.