David Brown 850 Implematic vs Güldner AF 30
8 material differences · fewer than 12
Which should you choose?
We will not advise between these two machines, because they were not built in overlapping years (1960–1965; 1948–1951). 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
8 material differences · 5 fields identical or within 5%, which is not counted as material
| Field | 850 Implematic | AF 30 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 35.0 hp | 30 hp | +19% 850 Implematic |
| Engine declared | DAVID BROWN AD 4/36 A-106 | Güldner 2F | differs |
| Displacement declared | 2.52 L | 2.60 L | — |
| Maximum torque declared | 110 lb·ft · 149 N·m | 110 lb·ft · 150 N·m | — |
| Transmission | |||
| Top speed declared | 15.5 mph · 25 km/h | 12.4 mph · 20 km/h | +25% 850 Implematic |
| Clutch declared | Pedal-operated dry BORG & BECK single-plate clutch type 10 inch | Single-plate dry clutch from Fichtel & Sachs | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 6.0 gpm · 22.7 L/min | — | — |
| Three-point lift at ends declared | 1,931 lb · 876 kg | — | — |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 3,704 lb · 1,680 kg | 4,497 lb · 2,040 kg | +21% AF 30 |
| Wheelbase declared | 75.2 in · 1,911 mm | 70.5 in · 1,790 mm | +7% 850 Implematic |
| Length declared | 114.0 in · 2,896 mm | 115.0 in · 2,920 mm | — |
| Width declared | 62.8 in · 1,594 mm | 64.6 in · 1,640 mm | — |
| Height declared | 51.5 in · 1,308 mm | 66.1 in · 1,680 mm | +28% AF 30 |
| Ground clearance declared | 15.5 in · 394 mm | 13.0 in · 330 mm | +19% 850 Implematic |
| Turning radius, braked declared | 7.9 ft · 2.41 m | — | — |
| Fuel tank declared | 42.1 qt · 39.8 L | 44.4 qt · 42 L | +6% AF 30 |
David Brown 850 Implematic sources
Source
- Source: Traktorenlexikon, “David Brown 850”
Güldner AF 30 sources
Source
- Source: Traktorenlexikon, “Güldner AF 30”