9 material differences · fewer than 12
Tractor oneDeutz (KHD) D 251959No measured PTO figureTractor twoGüldner AW1962No measured PTO figure
Which should you choose?
We will not advise between these two machines, because they were not built in overlapping years (1959–1959; 1962–1962). 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
9 material differences · 8 fields identical or within 5%, which is not counted as material
| Field | D 25 | AW | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 19.6 hp | 19.7 hp | — |
| Engine declared | KHD F2L 712 | Güldner 2 DNS | differs |
| Displacement declared | 1.70 L | 1.31 L | +30% D 25 |
| Maximum torque declared | 64 lb·ft · 86 N·m | 54 lb·ft · 74 N·m | +16% D 25 |
| Transmission | |||
| Top speed declared | 12.4 mph · 20 km/h | 12.4 mph · 20 km/h | — |
| Clutch declared | Pedal-operated dry single-disc clutch from Fichtel & Sachs | pedal operated dry single clutch from Fichtel & Sachs | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 4.2 gpm · 16.0 L/min | — | — |
| Pressure declared | 1,707 psi · 118 bar | 2,134 psi · 147 bar | +25% AW |
| Rear PTO speeds declared | 257/540 rpm | 540 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 2,921 lb · 1,325 kg | 2,954 lb · 1,340 kg | — |
| Maximum permissible mass declared | 4,850 lb · 2,200 kg | 4,409 lb · 2,000 kg | +10% D 25 |
| Wheelbase declared | 70.1 in · 1,780 mm | 72.8 in · 1,850 mm | — |
| Length declared | 115.7 in · 2,940 mm | 121.3 in · 3,080 mm | — |
| Width declared | 62.6 in · 1,590 mm | 59.8 in · 1,520 mm | — |
| Height, over the steering wheel declared | 59.8 in · 1,520 mm | 54.5 in · 1,385 mm | +10% D 25 |
| Ground clearance declared | 14.2 in · 360 mm | 14.2 in · 360 mm | — |
| Turning radius, braked declared | 8.7 ft · 2.65 m | 8.7 ft · 2.65 m | — |
| Fuel tank declared | 31.7 qt · 30 L | 37.0 qt · 35 L | +17% AW |
Deutz (KHD) D 25 sources
Source
- Source: Traktorenlexikon, “Deutz D 25”
- Source: Traktorenlexikon, “Deutz D 25.1”
- Source: Traktorenlexikon, “Deutz D 25 S”
Güldner AW sources
Source
- Source: Traktorenlexikon, “Güldner A W”
- Source: Traktorenlexikon, “Fahr D 131 W”