11 material differences · fewer than 12

Tractor oneBUKH 403 (Super)1963–1967No measured PTO figureTractor twoInternational Harvester D-4401958–1959No measured PTO figure

Which should you choose?

Read our verdict on the 403 (Super) and the D-440 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

11 material differences · 4 fields identical or within 5%, which is not counted as material

BUKH 403 (Super) and International Harvester D-440, field by field
Field	403 (Super)	D-440	Gap
Engine
Engine power, claimed claimed	39.4 hp	39.4 hp	—
Engine declared	BUKH 3 G 105	INTERNATIONAL-HARVESTER DD-132 S	differs
Displacement declared	3.38 L	2.18 L	+55% 403 (Super)
Maximum torque declared	—	112 lb·ft · 152 N·m	—
Transmission
Top speed declared	15.5 mph · 25 km/h	12.4 mph · 20 km/h	+25% 403 (Super)
Hydraulics & hitch
Pump flow declared	4.2 gpm · 16.0 L/min	6.3 gpm · 24.0 L/min	+50% D-440
Pressure declared	1,987 psi · 137 bar	2,119 psi · 146 bar	+7% D-440
Rear PTO speeds declared	540 rpm / 1000 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	4,112 lb · 1,865 kg	4,277 lb · 1,940 kg	—
Maximum permissible mass declared	—	7,033 lb · 3,190 kg	—
Wheelbase declared	83.3 in · 2,115 mm	74.0 in · 1,880 mm	+13% 403 (Super)
Length declared	124.6 in · 3,165 mm	118.5 in · 3,010 mm	—
Width declared	64.2 in · 1,630 mm	73.4 in · 1,865 mm	+14% D-440
Height, over the steering wheel declared	61.8 in · 1,570 mm	62.3 in · 1,583 mm	—
Ground clearance declared	15.7 in · 400 mm	16.8 in · 427 mm	+7% D-440
Turning radius, braked declared	8.9 ft · 2.70 m	9.8 ft · 3.00 m	+11% D-440
Fuel tank declared	37.0 qt · 35.0 L	58.1 qt · 55.0 L	+57% D-440

Source

Source