J.I. Case 931 GP or Steyr 90?
Which should you choose?
On performance, every comparable figure that differs favours the J.I. Case 931 GP: hydraulic flow. It is also ahead on PTO independence. On features, the Steyr 90 is ahead on forward gears and drive.
- The J.I. Case 931 GP suits PTO-driven implements (mowers, balers, pumps) better on this data: an independent PTO.
- The J.I. Case 931 GP suits loader and hydraulic implement work better on this data: 75% (25.1 L/min / 6.6 gpm) more hydraulic flow.
Generated by rule set compare@4 from the figures on the side-by-side table, allowed by route “the same stated configuration”. Measured figures are compared only with measured, claimed only with claimed, at the same test condition; differences within each figure’s tolerance are not called.
What decides it, question by question?
| Question | 931 GP | 90 | Call |
|---|---|---|---|
| Which puts more power through the PTO shaft? | 61.8 kW (82.9 hp)Traktorenlexikon, “Case 931” | 58.8 kW (78.9 hp)Traktorenlexikon, “Steyr Plus 90” | EvenEven on power at the PTO shaft (both power at the PTO, claimed): the difference is under the 10% threshold for claimed figures, too small to call. |
| Which turns a litre of fuel into more work at the shaft? | — | — | No figureNo call on fuel efficiency at the shaft: no figure on record for the 931 GP and the 90. |
| Which pulls harder at the drawbar? | — | — | No figureNo call on drawbar power: no figure on record for the 931 GP and the 90. |
| Which pumps more oil for implements? | 58.7 L/min (15.5 gpm)Traktorenlexikon, “Case 931” | 33.6 L/min (8.9 gpm)Traktorenlexikon, “Steyr Plus 90” | AheadThe J.I. Case 931 GP has 75% more hydraulic flow (25.1 L/min / 6.6 gpm) than the Steyr 90 (both pump flow, as stated by the source). |
| Which lifts more on the three-point hitch? | — | 2,900 kg (6,393 lb)Traktorenlexikon, “Steyr Plus 90” | No figureNo call on three-point lift: no figure on record for the 931 GP. |
| Which is heavier, for traction? | 4,044 kg (8,915 lb)Traktorenlexikon, “Case 931” | 3,430 kg (7,562 lb)Traktorenlexikon, “Steyr Plus 90” | Ahead (a fact, not an advantage)The J.I. Case 931 GP is 18% heavier (614 kg / 1,354 lb) than the Steyr 90 (both unladen weight, as stated by the source). |
| Which may carry more ballast and load? | — | — | No figureNo call on maximum permissible mass: no figure on record for the 931 GP and the 90. |
| Which has the wider choice of gears? | 6 to 8Traktorenlexikon, “Case 931” | 12Traktorenlexikon, “Steyr Plus 90” | AheadThe Steyr 90 has 50% more forward gears (4 gears) than the J.I. Case 931 GP (both forward gears, as stated by the source). |
| Which offers a creeper range? | — | — | No figureNo call on a creeper range: not stated for the 931 GP and the 90. |
| Which is faster on the road? | 25 km/h (15.5 mph)Traktorenlexikon, “Case 931” | 25 km/h (15.5 mph)Traktorenlexikon, “Steyr Plus 90” | EvenEven on top speed (both top speed forward, as stated by the source): the difference is under the 10% threshold, too small to call. |
| Which offers more PTO speeds? | 540/1000 rpmTraktorenlexikon, “Case 931” | 540/1000 rpmTraktorenlexikon, “Steyr Plus 90” | EvenEven on PTO speeds: the same speeds (540, 1000 rpm). |
| Which PTO runs independently of the ground drive? | independentTraktorenlexikon, “Case 931” | liveTraktorenlexikon, “Steyr Plus 90” | AheadThe J.I. Case 931 GP has an independent PTO; the Steyr 90’s is live. |
| Which drives on both axles? | 2WDTraktorenlexikon, “Case 931” | Two-wheel or four-wheel driveTraktorenlexikon, “Steyr Plus 90” | AheadThe Steyr 90 is available with four-wheel drive; the J.I. Case 931 GP is two-wheel drive (as stated by the sources). |
| Which is newer, and what about parts? | 1959–1969 | 1968–1974 | Ahead (a fact, not an advantage)The Steyr 90 is newer: production began 9 years later. We hold no parts-availability data, so there is no call on parts. |
What does this mean in plain words?
- The J.I. Case 931 GP has 75% more hydraulic flow (25.1 L/min / 6.6 gpm) than the Steyr 90 (both pump flow, as stated by the source).
- The J.I. Case 931 GP is 18% heavier (614 kg / 1,354 lb) than the Steyr 90 (both unladen weight, as stated by the source).
- The Steyr 90 has 50% more forward gears (4 gears) than the J.I. Case 931 GP (both forward gears, as stated by the source).
- The J.I. Case 931 GP has an independent PTO; the Steyr 90’s is live.
- The Steyr 90 is available with four-wheel drive; the J.I. Case 931 GP is two-wheel drive (as stated by the sources).
- The Steyr 90 is newer: production began 9 years later. We hold no parts-availability data, so there is no call on parts.
- Even on power at the PTO shaft (both power at the PTO, claimed): the difference is under the 10% threshold for claimed figures, too small to call.
- Even on top speed (both top speed forward, as stated by the source): the difference is under the 10% threshold, too small to call.
- Even on PTO speeds: the same speeds (540, 1000 rpm).
- No figure on record for every machine, so no call on: fuel efficiency at the shaft, drawbar power, three-point lift, maximum permissible mass and a creeper range.
← Every figure for both machines, side by side, with sources