6 material differences · fewer than 12
Tractor oneURSUS 9341991–2003No measured PTO figureTractor twoVALMET 6651992–1997No measured PTO figure
Which should you choose?
We will not advise between these two machines, because their unladen weight differs by more than 25% (45%); the drive differs (Two-wheel or four-wheel drive; 4WD). 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 · 7 fields identical or within 5%, which is not counted as material
| Field | 934 | 665 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 78.9 hp | 78.9 hp | — |
| Engine declared | ZTS Martin Z 8.401 | VALMET 420 D | differs |
| Displacement declared | 4.56 L | 4.40 L | — |
| Maximum torque declared | 205 lb·ft · 278 N·m | 214 lb·ft · 290 N·m | — |
| Transmission | |||
| Top speed declared | 18.6–24.9 mph · 30–40 km/h | 18.6–24.9 mph · 30–40 km/h | — |
| Clutch declared | Single plate dry clutch | Dry LuK double clutch | differs |
| Hydraulics & hitch | |||
| Hydraulic control declared | Constant flow | — | — |
| Pump flow declared | 11.9 gpm · 45.2 L/min | 13.8 gpm · 52.4 L/min | +16% 665 |
| Pressure declared | — | 2,901 psi · 200 bar | — |
| Rear PTO speeds declared | 540 rpm / 1000 rpm | 540E/540 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 10,494 lb · 4,760 kg | 7,231 lb · 3,280 kg | +45% 934 |
| Wheelbase declared | 94.4 in · 2,398 mm | 94.1 in · 2,390 mm | — |
| Length declared | 162.5 in · 4,128 mm | 157.5 in · 4,000 mm | — |
| Width declared | 81.7 in · 2,076 mm | 79.9 in · 2,030 mm | — |
| Ground clearance declared | — | 18.1 in · 460 mm | — |
| Turning radius, braked declared | — | 15.7 ft · 4.80 m | — |
| Fuel tank declared | 95.1 qt · 90 L | 77.1 qt · 73.0 L | +23% 934 |
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.
URSUS 934 sources
- Source: Wikipedia (pl): Ursus 934 (open data)
- Source: Traktorenlexikon, “Ursus 934”
VALMET 665 sources
- Source: Traktorenlexikon, “Valmet 665”