International Harvester 6588 vs John Deere 4640 (A)

11 material differences · fewer than 12

Tractor one

International Harvester 6588

1978–1981

No measured PTO figure

Tractor two

John Deere 4640 (A)

1978–1982

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because the drive differs (4WD; Two-wheel or four-wheel drive). 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

11 material differences · 3 fields identical or within 5%, which is not counted as material

International Harvester 6588 and John Deere 4640 (A), field by field
Field65884640 (A)Gap
Engine
Engine power, claimed claimed149.9 hp175.4 hp+17% 4640 (A)
Engine declaredINTERNATIONAL HARVESTER DT-466 BJohn Deere 6.466 TLdiffers
Displacement declared7.64 L7.64 L
Maximum torque declared450 lb·ft · 610 N·m530 lb·ft · 718 N·m+18% 4640 (A)
Transmission
Top speed declared18.6 mph · 30 km/h18.6 mph · 30 km/h
Clutch declaredHydraulically operated oil cooled double disc clutch
Hydraulics & hitch
Hydraulic centre declaredClosed centre
Pump flow declared18.0 gpm · 68.1 L/min33.3 gpm · 126 L/min+85% 4640 (A)
Pressure declared3,481 psi · 240 bar
Three-point lift at ends declared8,598 lb · 3,900 kg7,326 lb · 3,323 kg+17% 6588
Rear PTO speeds declared540/1000 rpm1000 rpmdiffers
Weight & dimensions
Unladen weight declared17,619 lb · 7,992 kg14,352 lb · 6,510 kg+23% 6588
Maximum permissible mass declared18,585 lb · 8,430 kg
Wheelbase declared110.0 in · 2,794 mm118.5 in · 3,010 mm+8% 4640 (A)
Length declared228.3 in · 5,799 mm171.3 in · 4,350 mm+33% 6588
Width declared101.6 in · 2,581 mm95.7 in · 2,430 mm+6% 6588
Height declared115.8 in · 2,941 mm116.5 in · 2,960 mm
Ground clearance declared28.4 in · 721 mm14.6 in · 370 mm+95% 6588
Turning radius, braked declared13.5 ft · 4.10 m
Fuel tank declared360.0 qt · 340.7 L331.8 qt · 314.0 L+9% 6588

International Harvester 6588 sources

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

John Deere 4640 (A) sources

Source
  • Source: Traktorenlexikon, “John Deere 4640”