5 material differences · fewer than 12

Tractor oneFord 6401954–1957No measured PTO figureTractor twoFord 7401954–1957No measured PTO figure

Which should you choose?

Read our verdict on the 640 and the 740 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

5 material differences · 6 fields identical or within 5%, which is not counted as material

Ford 640 and Ford 740, field by field
Field	640	740	Gap
Engine
Engine power, claimed claimed	31.9 hp	31.9 hp	—
Transmission
Top speed declared	12.4 mph · 20 km/h	13.0 mph · 21 km/h	—
Clutch declared	—	Pedal operated dry single plate clutch	—
Hydraulics & hitch
Pump flow declared	2.7–6.0 gpm · 10.2–22.7 L/min	2.7–6.0 gpm · 10.2–22.7 L/min	—
Three-point lift, at the coupling points declared	1,250 lb · 567 kg	1,250 lb · 567 kg	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	3,018 lb · 1,369 kg	3,391 lb · 1,538 kg	+12% 740
Wheelbase declared	74.5 in · 1,892 mm	85.3 in · 2,167 mm	+15% 740
Length declared	120.8 in · 3,069 mm	132.1 in · 3,355 mm	+9% 740
Width declared	63.9–87.5 in · 1,623–2,223 mm	—	—
Height, over the steering wheel declared	56.9 in · 1,446 mm	65.1 in · 1,653 mm	+14% 740
Ground clearance declared	21.0 in · 533 mm	27.2 in · 692 mm	+30% 740
Turning radius, braked declared	18.0 ft · 5.49 m	—	—
Fuel tank declared	52.8 qt · 50.0 L	52.8 qt · 50.0 L	—

Source

Source