J.I. Case 531 vs UTB U 445

9 material differences · fewer than 12

Tractor one

J.I. Case 531

1960–1969

No measured PTO figure

Tractor two

UTB U 445

1974–1981

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because they were not built in overlapping years (1960–1969; 1974–1981). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.

Field by field

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

J.I. Case 531 and UTB U 445, field by field
Field531U 445Gap
Engine
Engine power, claimed claimed39.8 hp42.4 hp+6% U 445
Engine declaredUTB D-115
Displacement declared2.34 L
Maximum torque declared103 lb·ft · 140 N·m
Transmission
Top speed declared12.4–21.7 mph · 20–35 km/h15.5 mph · 25 km/hdiffers
Clutch declaredPedal-operated two-stage dry double clutch
Hydraulics & hitch
Pump flow declared9.3 gpm · 35.2 L/min5.8 gpm · 21.8 L/min+61% 531
Three-point lift at ends declared3,197 lb · 1,450 kg
Rear PTO speeds declared540 rpm540 rpm
Weight & dimensions
Unladen weight declared4,116 lb · 1,867 kg4,057 lb · 1,840 kg
Wheelbase declared86.3 in · 2,191 mm75.6 in · 1,920 mm+14% 531
Length declared130.0 in · 3,302 mm115.0 in · 2,920 mm+13% 531
Width declared79.6 in · 2,022 mm59.6 in · 1,515 mm+33% 531
Height declared61.0 in · 1,549 mm85.8 in · 2,180 mm+41% U 445
Ground clearance declared21.0 in · 533 mm18.3 in · 465 mm+15% 531
Turning radius, braked declared7.9 ft · 2.41 m9.9 ft · 3.02 m+25% U 445
Fuel tank declared69.2 qt · 65.5 L57.1 qt · 54.0 L+21% 531

J.I. Case 531 sources

Source
  • Source: Traktorenlexikon, “Case 531”

UTB U 445 sources

Source
  • Source: Traktorenlexikon, “UTB U 445”