7 material differences · fewer than 12
Tractor oneDeutz (KHD) D 50.1 S1962–1964No measured PTO figureTractor twoJ.I. Case 4011955–1957No measured PTO figure
Which should you choose?
Read our verdict on the D 50.1 S and the 401 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
7 material differences · 3 fields identical or within 5%, which is not counted as material
| Field | D 50.1 S | 401 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 51.1 hp | 49.3 hp | — |
| Engine declared | KHD F4L 712 or F4L 812 | — | — |
| Displacement declared | 3.40 L | — | — |
| Maximum torque declared | 127 lb·ft · 173 N·m | — | — |
| Transmission | |||
| Top speed declared | 18.6 mph · 30 km/h | 12.4 mph · 20 km/h | +50% D 50.1 S |
| Clutch declared | — | Pedal-operated single-plate clutch | — |
| Hydraulics & hitch | |||
| Pump flow declared | — | 12.0 gpm · 45.4 L/min | — |
| Pressure declared | 2,134 psi · 147 bar | — | — |
| Rear PTO speeds declared | 540/1060 rpm | 540 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 4,916–5,401 lb · 2,230–2,450 kg | 6,583 lb · 2,986 kg | differs |
| Maximum permissible mass declared | 8,598 lb · 3,900 kg | — | — |
| Wheelbase declared | 86.6 in · 2,200 mm | 91.5 in · 2,324 mm | +6% 401 |
| Length declared | 146.5 in · 3,720 mm | 142.6 in · 3,622 mm | — |
| Width declared | 74.4 in · 1,890 mm | 85.2 in · 2,164 mm | +14% 401 |
| Height, over the steering wheel declared | 75.2 in · 1,910 mm | 74.4 in · 1,890 mm | — |
| Ground clearance declared | 19.9 in · 505 mm | 24.2 in · 615 mm | +22% 401 |
| Turning radius, braked declared | 11.6 ft · 3.55 m | — | — |
| Fuel tank declared | 67.6 qt · 64 L | 84.0 qt · 79.5 L | +24% 401 |
Deutz (KHD) D 50.1 S sources
Source
- Source: Traktorenlexikon, “Deutz D 50 S (D 55)”
J.I. Case 401 sources
Source
- Source: Traktorenlexikon, “Case 401”