Massey Ferguson MF 178 (A) vs Renault 851 (S)
14 material differences
Which should you choose?
We will not advise between these two machines, because they were not built in overlapping years (1968–1971; 1974–1989). 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
14 material differences · 3 fields identical or within 5%, which is not counted as material
| Field | MF 178 (A) | 851 (S) | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 71 hp | 83.9 hp | +18% 851 (S) |
| Engine declared | Perkins A 4.248 | MWM TD 226-4 | differs |
| Displacement declared | 4.07 L | 4.16 L | — |
| Maximum torque declared | 206 lb·ft · 279 N·m | 212 lb·ft · 288 N·m | — |
| Transmission | |||
| Top speed declared | 18.6 mph · 30 km/h | 15.5 mph · 25 km/h | +20% MF 178 (A) |
| Clutch declared | Pedal-operated dry double clutch | Dry LuK double clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 4.3 gpm · 16.4 L/min | 8.9 gpm · 33.7 L/min | +105% 851 (S) |
| Pressure declared | 3,001 psi · 207 bar | 2,321 psi · 160 bar | +29% MF 178 (A) |
| Three-point lift at ends declared | 3,880 lb · 1,760 kg | 8,201 lb · 3,720 kg | +111% 851 (S) |
| Rear PTO speeds declared | 540 rpm | 540/1000 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 6,129 lb · 2,780 kg | 6,647 lb · 3,015 kg | +8% 851 (S) |
| Wheelbase declared | 84.0 in · 2,134 mm | 95.6 in · 2,428 mm | +14% 851 (S) |
| Length declared | 135.8 in · 3,450 mm | 157.1 in · 3,990 mm | +16% 851 (S) |
| Width declared | 78.0 in · 1,980 mm | 73.0 in · 1,855 mm | +7% MF 178 (A) |
| Height declared | 99.6 in · 2,530 mm | 106.3 in · 2,700 mm | +7% 851 (S) |
| Ground clearance declared | 17.3 in · 440 mm | 15.2 in · 385 mm | +14% MF 178 (A) |
| Turning radius, braked declared | 11.7 ft · 3.57 m | 12.1 ft · 3.70 m | — |
| Fuel tank declared | 86.6 qt · 82.0 L | 81.4 qt · 77.0 L | +6% MF 178 (A) |
Massey Ferguson MF 178 (A) sources
Source
- Source: Traktorenlexikon, “Massey Ferguson MF 178”
Renault 851 (S) sources
Source
- Source: Traktorenlexikon, “Renault 851 R7661”