11 material differences · fewer than 12

Tractor oneFord 6401954–1957No measured PTO figureTractor twoJohn Deere-LANZ 3101964–1968No measured PTO figure

Which should you choose?

Read our verdict on the 640 and the 310 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

11 material differences · 1 fields identical or within 5%, which is not counted as material

Ford 640 and John Deere-LANZ 310, field by field
Field	640	310	Gap
Engine
Engine power, claimed claimed	31.9 hp	31.5 hp	—
Engine declared	—	John Deere 152 D 25 L	—
Displacement declared	—	2.49 L	—
Transmission
Top speed declared	12.4 mph · 20 km/h	12.4–15.5 mph · 20–25 km/h	differs
Hydraulics & hitch
Pump flow declared	2.7–6.0 gpm · 10.2–22.7 L/min	4.1 gpm · 15.6 L/min	differs
Pressure declared	—	2,190 psi · 151 bar	—
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	3,018 lb · 1,369 kg	4,361 lb · 1,978 kg	+44% 310
Maximum permissible mass declared	—	5,864 lb · 2,660 kg	—
Wheelbase declared	74.5 in · 1,892 mm	81.6 in · 2,072 mm	+10% 310
Length declared	120.8 in · 3,069 mm	133.9 in · 3,400 mm	+11% 310
Width declared	63.9–87.5 in · 1,623–2,223 mm	62.2 in · 1,580 mm	differs
Height, over the steering wheel declared	56.9 in · 1,446 mm	61.8 in · 1,570 mm	+9% 310
Ground clearance declared	21.0 in · 533 mm	15.7 in · 400 mm	+33% 640
Turning radius, braked declared	18.0 ft · 5.49 m	10.8 ft · 3.30 m	+66% 640
Fuel tank declared	52.8 qt · 50.0 L	74.0 qt · 70 L	+40% 310

Source

Source