8 material differences · fewer than 12
Tractor oneHanomag R 45 A/AE1950–1957No measured PTO figureTractor twoHürlimann D-90 Super-Spezial1958–1966No measured PTO figure
Which should you choose?
We will not advise between these two machines, because their unladen weight differs by more than 25% (96%); they were not built in overlapping years (1950–1957; 1958–1966). 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
8 material differences · 1 fields identical or within 5%, which is not counted as material
| Field | R 45 A/AE | D-90 Super-Spezial | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 44.1 hp | 44.1 hp | — |
| Engine declared | Hanomag D 57 | — | — |
| Displacement declared | 5.70 L | — | — |
| Maximum torque declared | 206 lb·ft · 279 N·m | 115 lb·ft · 156 N·m | +79% R 45 A/AE |
| Transmission | |||
| Top speed declared | 10.7 mph · 17.3 km/h | 12.4 mph · 20 km/h | +16% D-90 Super-Spezial |
| Clutch declared | Single-plate dry clutch by Fichtel & Sachs | — | — |
| Hydraulics & hitch | |||
| Pressure declared | — | 640 psi · 44 bar | — |
| Rear PTO speeds declared | 950 | 540 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 7,099–7,209 lb · 3,220–3,270 kg | 3,616 lb · 1,640 kg | differs |
| Maximum permissible mass declared | 8,818 lb · 4,000 kg | — | — |
| Wheelbase declared | 81.9 in · 2,080 mm | 67.3 in · 1,710 mm | +22% R 45 A/AE |
| Length declared | 139.2 in · 3,535 mm | 117.3 in · 2,980 mm | +19% R 45 A/AE |
| Width declared | 69.3–71.7 in · 1,760–1,820 mm | 64.2 in · 1,630 mm | differs |
| Ground clearance declared | 12.8 in · 325 mm | — | — |
| Turning radius, braked declared | 11.8 ft · 3.60 m | 7.9 ft · 2.41 m | +49% R 45 A/AE |
| Fuel tank declared | 89.8 qt · 85 L | — | — |
Height is not in this table. It is not one measurement: the sources measure it to different points — over the cab on some machines, over the steering wheel or the exhaust on others — and the same tractor measured two ways can differ by most of a metre. It appears here only when both machines' figures carry the point they were measured to and it is the same point, which is not the case for these two. Each machine's own page prints its height as its source gives it.
Hanomag R 45 A/AE sources
- Source: Traktorenlexikon, “Hanomag R 45 A/AE”
Hürlimann D-90 Super-Spezial sources
- Source: Traktorenlexikon, “Hürlimann D 90 SSP”