Which should you choose?
Read our verdict on the D 39 and the D 40 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
1 material differences · 12 fields identical or within 5%, which is not counted as material
| Field | D 39 | D 40 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 21.6 hp | 21.6 hp | — |
| Engine declared | KHD F2M 414 | KHD F2M 414 | — |
| Displacement declared | 2.20 L | 2.20 L | — |
| Transmission | |||
| Top speed declared | 12.1 mph · 19.4 km/h | 12.0 mph · 19.3 km/h | — |
| Clutch declared | Single-plate dry clutch by Fichtel & Sachs | Single dry clutch | differs |
| Hydraulics & hitch | |||
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 3,086 lb · 1,400 kg | 3,086 lb · 1,400 kg | — |
| Wheelbase declared | 68.9 in · 1,750 mm | 68.9 in · 1,750 mm | — |
| Length declared | 100.8 in · 2,560 mm | 100.8 in · 2,560 mm | — |
| Width declared | 59.1 in · 1,500 mm | 59.1 in · 1,500 mm | — |
| Height declared | 63.0 in · 1,600 mm | 63.0 in · 1,600 mm | — |
| Ground clearance declared | 10.2 in · 260 mm | 10.2 in · 260 mm | — |
| Fuel tank declared | 40.2 qt · 38 L | 40.2 qt · 38 L | — |
HELA D 39 sources
Source
- Source: Traktorenlexikon, “HELA D39 (1939)”
- Source: Traktorenlexikon, “Fahr D 22”
HELA D 40 sources
Source
- Source: Traktorenlexikon, “HELA D40 (1939-1943)”
- Source: Traktorenlexikon, “Fahr D 22”