Which should you choose?
Read our verdict on the 50-R and the 555 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
15 material differences · 2 fields identical or within 5%, which is not counted as material
| Field | 50-R | 555 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 49.3 hp | 49.3 hp | — |
| Engine declared | O.M.-FIAT CO 1D-50/Var. 10 | IMR-PERKINS O-34/TA | differs |
| Displacement declared | 4.16 L | 3.34 L | +25% 50-R |
| Maximum torque declared | 177 lb·ft · 240 N·m | 141 lb·ft · 191 N·m | +26% 50-R |
| Transmission | |||
| Top speed declared | 14.3 mph · 23 km/h | 15.5 mph · 25 km/h | +9% 555 |
| Clutch declared | pedal-operated dry single-plate clutch | Pedal operated dry two-stage double clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 5.3 gpm · 20.0 L/min | 4.0 gpm · 15.1 L/min | +32% 50-R |
| Three-point lift at ends declared | 2,094 lb · 950 kg | 2,601 lb · 1,180 kg | +24% 555 |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 5,071 lb · 2,300 kg | 4,123 lb · 1,870 kg | +23% 50-R |
| Wheelbase declared | 74.8 in · 1,900 mm | 84.8 in · 2,155 mm | +13% 555 |
| Length declared | 125.2 in · 3,180 mm | 137.2 in · 3,485 mm | +10% 555 |
| Width declared | 60.4 in · 1,535 mm | 66.9 in · 1,700 mm | +11% 555 |
| Height declared | 74.6 in · 1,895 mm | 66.5 in · 1,690 mm | +12% 50-R |
| Ground clearance declared | 15.7 in · 400 mm | 23.9 in · 607 mm | +52% 555 |
| Turning radius, braked declared | 10.8 ft · 3.30 m | 12.3 ft · 3.75 m | +14% 555 |
| Fuel tank declared | 53.9 qt · 51.0 L | 47.6 qt · 45.0 L | +13% 50-R |
Fiat 50-R sources
Source
- Source: Traktorenlexikon, “Fiat 50 R”
IMT 555 sources
Source
- Source: Traktorenlexikon, “IMT 555”