Bührer GM-29 Super-Six (A) vs J.I. Case 931 GP

7 material differences · fewer than 12

Tractor one

Bührer GM-29 Super-Six (A)

1968–1975

No measured PTO figure

Tractor two

J.I. Case 931 GP

1959–1969

No measured PTO figure

Which should you choose?

Read our verdict on the GM-29 Super-Six (A) and the 931 GP → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

Field by field

7 material differences · 3 fields identical or within 5%, which is not counted as material

Bührer GM-29 Super-Six (A) and J.I. Case 931 GP, field by field
FieldGM-29 Super-Six (A)931 GPGap
Engine
Engine power, claimed claimed98.6 hp83.0 hp+19% GM-29 Super-Six (A)
Engine declaredMercedes-Benz OM 352
Displacement declared5.67 L
Maximum torque declared188 lb·ft · 255 N·m
Transmission
Top speed declared13.7 mph · 22 km/h15.5 mph · 25 km/h+14% 931 GP
Clutch declaredPedal-operated dry CASE single-disc clutch
Hydraulics & hitch
Pump flow declared5.0 gpm · 18.8 L/min15.5 gpm · 58.7 L/min+212% 931 GP
Three-point lift at ends declared5,401 lb · 2,450 kg
Rear PTO speeds declared540 rpm540/1000 rpmdiffers
Weight & dimensions
Unladen weight declared6,195 lb · 2,810 kg8,915 lb · 4,044 kg+44% 931 GP
Wheelbase declared98.4 in · 2,500 mm108.0 in · 2,743 mm+10% 931 GP
Length declared157.5 in · 4,000 mm162.0 in · 4,115 mm
Width declared74.4 in · 1,890 mm85.2 in · 2,165 mm+15% 931 GP
Height declared66.9 in · 1,700 mm66.0 in · 1,676 mm
Ground clearance declared16.5 in · 420 mm17.0 in · 432 mm
Turning radius, braked declared13.5 ft · 4.13 m10.8 ft · 3.30 m+25% GM-29 Super-Six (A)
Fuel tank declared95.9–120.0 qt · 90.8–113.6 L

Bührer GM-29 Super-Six (A) sources

Source
  • Source: Traktorenlexikon, “Bührer GM 29 SUPER-SIX (A)”
  • Source: Traktorenlexikon, “Mercedes-Benz MB trac 1000”

J.I. Case 931 GP sources

Source
  • Source: Traktorenlexikon, “Case 931”