International Harvester 1586 vs International Harvester 6588

9 material differences · fewer than 12

Tractor one

International Harvester 1586

1976–1981

No measured PTO figure

Tractor two

International Harvester 6588

1978–1981

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because the drive differs (Two-wheel or four-wheel drive; 4WD). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.

Field by field

9 material differences · 5 fields identical or within 5%, which is not counted as material

International Harvester 1586 and International Harvester 6588, field by field
Field15866588Gap
Engine
Engine power, claimed claimed161 hp149.9 hp+7% 1586
Engine declaredINTERNATIONAL HARVESTER DT-436INTERNATIONAL HARVESTER DT-466 Bdiffers
Displacement declared7.14 L7.64 L+7% 6588
Maximum torque declared456 lb·ft · 618 N·m450 lb·ft · 610 N·m
Transmission
Top speed declared18.6 mph · 30 km/h18.6 mph · 30 km/h
Hydraulics & hitch
Pump flow declared12.0 gpm · 45.4 L/min18.0 gpm · 68.1 L/min+50% 6588
Three-point lift at ends declared7,077 lb · 3,210 kg8,598 lb · 3,900 kg+21% 6588
Rear PTO speeds declared1000 rpm540/1000 rpmdiffers
Weight & dimensions
Unladen weight declared15,119 lb · 6,858 kg17,619 lb · 7,992 kg+17% 6588
Wheelbase declared104.8 in · 2,662 mm110.0 in · 2,794 mm
Length declared169.0 in · 4,293 mm228.3 in · 5,799 mm+35% 6588
Width declared102.0 in · 2,591 mm101.6 in · 2,581 mm
Height declared116.0 in · 2,946 mm115.8 in · 2,941 mm
Ground clearance declared14.0 in · 356 mm28.4 in · 721 mm+103% 6588
Turning radius, braked declared11.2 ft · 3.40 m
Fuel tank declared252.0 qt · 238.5 L360.0 qt · 340.7 L+43% 6588

International Harvester 1586 sources

Source
  • Source: Traktorenlexikon, “IHC 1586”
  • Source: Traktorenlexikon, “IHC 1466”

International Harvester 6588 sources

Source
  • Source: Traktorenlexikon, “IHC 6588”
  • Source: Traktorenlexikon, “IHC 3588”