6 material differences · fewer than 12
Tractor oneHürlimann D-90 Super-Spezial1958–1966No measured PTO figureTractor twoMASSEY-HARRIS M-H 44/61946–1951No measured PTO figure
Which should you choose?
We will not advise between these two machines, because they were not built in overlapping years (1958–1966; 1946–1951). 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
6 material differences · 2 fields identical or within 5%, which is not counted as material
| Field | D-90 Super-Spezial | M-H 44/6 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 44.1 hp | 43.4 hp | — |
| Engine declared | — | CONTINENTAL F-226 | — |
| Displacement declared | — | 3.71 L | — |
| Maximum torque declared | 115 lb·ft · 156 N·m | — | — |
| Transmission | |||
| Top speed declared | 12.4 mph · 20 km/h | 13.0 mph · 21 km/h | — |
| Clutch declared | — | Pedal operated dry two-piece BORG & BECK clutch | — |
| Hydraulics & hitch | |||
| Pump flow declared | — | 7.5 gpm · 28.4 L/min | — |
| Pressure declared | 640 psi · 44 bar | — | — |
| Rear PTO speeds declared | 540 rpm | 551 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 3,616 lb · 1,640 kg | 4,200 lb · 1,905 kg | +16% M-H 44/6 |
| Wheelbase declared | 67.3 in · 1,710 mm | 79.1 in · 2,010 mm | +18% M-H 44/6 |
| Length declared | 117.3 in · 2,980 mm | 129.0 in · 3,277 mm | +10% M-H 44/6 |
| Width declared | 64.2 in · 1,630 mm | 68.0 in · 1,727 mm | +6% M-H 44/6 |
| Height, over the steering wheel declared | 62.2 in · 1,580 mm | 76.5 in · 1,943 mm | +23% M-H 44/6 |
| Ground clearance declared | — | 25.6 in · 651 mm | — |
| Turning radius, braked declared | 7.9 ft · 2.41 m | — | — |
| Fuel tank declared | — | 91.3 qt · 86.4 L | — |
Hürlimann D-90 Super-Spezial sources
Source
- Source: Traktorenlexikon, “Hürlimann D 90 SSP”
MASSEY-HARRIS M-H 44/6 sources
Source
- Source: Traktorenlexikon, “Massey-Harris Massey-Harris 44-6”