IMR-RAKOVICA R-47 vs Massey Ferguson MF 550
11 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 (1984–1994; 1976–1982). 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
11 material differences · 5 fields identical or within 5%, which is not counted as material
| Field | R-47 | MF 550 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 45.3 hp | 46.4 hp | — |
| Engine declared | IMR-PERKINS DM-33/T | Perkins AD 3.152 S | differs |
| Displacement declared | 2.50 L | 2.50 L | — |
| Maximum torque declared | 107 lb·ft · 145 N·m | 130 lb·ft · 176.8 N·m | +22% MF 550 |
| Transmission | |||
| Top speed declared | 15.5 mph · 25 km/h | 15.5 mph · 25 km/h | — |
| Clutch declared | Pedal-operated, two-stage dry KRON-NOVI double clutch | Pedal-operated, dry and air-cooled single-disc clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 6.9 gpm · 26.0 L/min | — | — |
| Three-point lift at ends declared | 3,058 lb · 1,387 kg | 3,417 lb · 1,550 kg | +12% MF 550 |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 4,597 lb · 2,085 kg | 4,982 lb · 2,260 kg | +8% MF 550 |
| Wheelbase declared | 77.4 in · 1,965 mm | 82.0 in · 2,083 mm | +6% MF 550 |
| Length declared | 137.8 in · 3,500 mm | 140.0 in · 3,556 mm | — |
| Width declared | 74.0 in · 1,880 mm | 65.0 in · 1,650 mm | +14% R-47 |
| Height declared | 106.3 in · 2,700 mm | 92.9 in · 2,360 mm | +14% R-47 |
| Ground clearance declared | 16.3 in · 415 mm | 13.0 in · 330 mm | +26% R-47 |
| Turning radius, braked declared | 10.4 ft · 3.18 m | 11.6 ft · 3.53 m | +11% MF 550 |
| Fuel tank declared | 63.4 qt · 60.0 L | 71.1 qt · 67.3 L | +12% MF 550 |
IMR-RAKOVICA R-47 sources
Source
- Source: Traktorenlexikon, “Rakovica R 47”
Massey Ferguson MF 550 sources
Source
- Source: Traktorenlexikon, “Massey Ferguson MF 550”
- Source: Traktorenlexikon, “Massey Ferguson MF 255”