Ford 4000 (A) 6X/6Y vs International Harvester 544

11 material differences · fewer than 12

Tractor one

1964–1975

No measured PTO figure

Tractor two

1968–1973

No measured PTO figure

Which should you choose?

Read our verdict on the 4000 (A) 6X/6Y and the 544 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Ford 4000 (A) 6X/6Y and International Harvester 544, field by field
Field	4000 (A) 6X/6Y	544	Gap
Engine
Engine power, claimed claimed	51.2 hp	51.2 hp	—
Engine declared	Ford ND 2.506 E or 2.512 E	INTERNATIONAL HARVESTER C-200	differs
Displacement declared	3.29 L	—	—
Maximum torque declared	—	171 lb·ft · 232 N·m	—
Transmission
Top speed declared	12.4–18.6 mph · 20–30 km/h	18.6 mph · 30 km/h	differs
Clutch declared	Dry Borg & Beck double clutch	Pedal operated dry single plate clutch type 11 inches	differs
Hydraulics & hitch
Pump flow declared	5.3 gpm · 20.1 L/min	12.0 gpm · 45.4 L/min	+126% 544
Pressure declared	2,489 psi · 172 bar	—	—
Three-point lift at ends declared	3,201 lb · 1,452 kg	—	—
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	4,579 lb · 2,077 kg	4,978 lb · 2,258 kg	+9% 544
Wheelbase declared	84.5 in · 2,146 mm	73.0 in · 1,854 mm	+16% 4000 (A) 6X/6Y
Length declared	138.6 in · 3,520 mm	138.0 in · 3,505 mm	—
Width declared	60.0 in · 1,524 mm	71.0 in · 1,803 mm	+18% 544
Height declared	91.0 in · 2,311 mm	62.0 in · 1,575 mm	+47% 4000 (A) 6X/6Y
Ground clearance declared	17.3 in · 440 mm	11.0 in · 279 mm	+58% 4000 (A) 6X/6Y
Turning radius, braked declared	10.7 ft · 3.25 m	10.5 ft · 3.20 m	—
Fuel tank declared	63.9 qt · 60.5 L	132.1 qt · 125.0 L	+107% 544

Source

Source