J.I. Case 310-B vs J.I. Case 531

7 material differences · fewer than 12

Tractor one

1958–1959

No measured PTO figure

Tractor two

1960–1969

No measured PTO figure

Which should you choose?

Read our verdict on the 310-B and the 531 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

7 material differences · 2 fields identical or within 5%, which is not counted as material

J.I. Case 310-B and J.I. Case 531, field by field
Field	310-B	531	Gap
Engine
Engine power, claimed claimed	36.5 hp	39.8 hp	+9% 531
Transmission
Top speed declared	15.5 mph · 25 km/h	12.4–21.7 mph · 20–35 km/h	differs
Clutch declared	Pedal-operated single-plate clutch	—	—
Hydraulics & hitch
Pump flow declared	3.0 gpm · 11.4 L/min	9.3 gpm · 35.2 L/min	+209% 531
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	2,917 lb · 1,323 kg	4,116 lb · 1,867 kg	+41% 531
Wheelbase declared	75.2 in · 1,911 mm	86.3 in · 2,191 mm	+15% 531
Length declared	130.7 in · 3,321 mm	130.0 in · 3,302 mm	—
Width declared	61.7 in · 1,567 mm	79.6 in · 2,022 mm	+29% 531
Height declared	55.5 in · 1,410 mm	61.0 in · 1,549 mm	+10% 531
Ground clearance declared	—	21.0 in · 533 mm	—
Turning radius, braked declared	—	7.9 ft · 2.41 m	—
Fuel tank declared	52.0 qt · 49.2 L	69.2 qt · 65.5 L	+33% 531

Source

Source