11 material differences · fewer than 12
Tractor oneRenault 651 (S)1972–1986No measured PTO figureTractor twoSOMECA 650 (TD)1971–1976No measured PTO figure
Which should you choose?
Read our verdict on the 651 (S) and the 650 (TD) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
11 material differences · 5 fields identical or within 5%, which is not counted as material
| Field | 651 (S) | 650 (TD) | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 64.1 hp | 64.1 hp | — |
| Engine declared | MWM D 227-4 | O.M.-FIAT CN 3 | differs |
| Displacement declared | 3.77 L | 3.71 L | — |
| Maximum torque declared | 164 lb·ft · 222 N·m | 177 lb·ft · 240 N·m | +8% 650 (TD) |
| Transmission | |||
| Top speed declared | 15.5 mph · 25 km/h | 14.9 mph · 24 km/h | — |
| Clutch declared | Dry LuK double clutch | — | — |
| Hydraulics & hitch | |||
| Pump flow declared | 6.9 gpm · 26.0 L/min | 7.6 gpm · 28.8 L/min | +11% 650 (TD) |
| Pressure declared | 2,321 psi · 160 bar | 2,843 psi · 196 bar | +23% 650 (TD) |
| Three-point lift, at the coupling points declared | 4,938 lb · 2,240 kg | 4,586 lb · 2,080 kg | +8% 651 (S) |
| Rear PTO speeds declared | 540 rpm | 540/1000 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 5,886 lb · 2,670 kg | 6,338 lb · 2,875 kg | +8% 650 (TD) |
| Wheelbase declared | 88.3 in · 2,242 mm | 91.3 in · 2,320 mm | — |
| Length declared | 142.4 in · 3,617 mm | 148.4 in · 3,770 mm | — |
| Width declared | 73.2–89.8 in · 1,860–2,280 mm | 69.3 in · 1,760 mm | differs |
| Ground clearance declared | 17.7 in · 450 mm | 20.1 in · 510 mm | +13% 650 (TD) |
| Turning radius, braked declared | 10.8 ft · 3.30 m | 11.6 ft · 3.53 m | +7% 650 (TD) |
| Fuel tank declared | 68.7 qt · 65.0 L | 85.6 qt · 81.0 L | +25% 650 (TD) |
Height is not in this table. It is not one measurement: the sources measure it to different points — over the cab on some machines, over the steering wheel or the exhaust on others — and the same tractor measured two ways can differ by most of a metre. It appears here only when both machines' figures carry the point they were measured to and it is the same point, which is not the case for these two. Each machine's own page prints its height as its source gives it.
Renault 651 (S) sources
- Source: Traktorenlexikon, “Renault 651 R7461”
SOMECA 650 (TD) sources
- Source: Traktorenlexikon, “Someca 650”