11 material differences · fewer than 12
Tractor oneFiat 666 (DT)1982–1986No measured PTO figureTractor twoRenault 68-12 RS1983–1987No measured PTO figure
Which should you choose?
Read our verdict on the 666 (DT) and the 68-12 RS → 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 · 3 fields identical or within 5%, which is not counted as material
| Field | 666 (DT) | 68-12 RS | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 67 hp | 67 hp | — |
| Engine declared | FIAT-IVECO 8045.02.276 or 376 | MWM D 227-4 | differs |
| Displacement declared | 3.46 L | 3.77 L | +9% 68-12 RS |
| Maximum torque declared | 161 lb·ft · 218 N·m | 166 lb·ft · 225 N·m | — |
| Transmission | |||
| Top speed declared | 15.5–18.6 mph · 25–30 km/h | 18.6 mph · 30 km/h | differs |
| Clutch declared | — | Dry LuK dual clutch | — |
| Hydraulics & hitch | |||
| Pump flow declared | — | 10.9 gpm · 41.2 L/min | — |
| Pressure declared | — | 1,595 psi · 110 bar | — |
| Three-point lift, at the coupling points declared | 6,923 lb · 3,140 kg | 6,614 lb · 3,000 kg | — |
| Rear PTO speeds declared | 540 rpm | 540/1000 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 5,688 lb · 2,580 kg | 6,702 lb · 3,040 kg | +18% 68-12 RS |
| Wheelbase declared | 90.7 in · 2,305 mm | 95.7 in · 2,430 mm | +5% 68-12 RS |
| Length declared | 134.3 in · 3,412 mm | 154.7 in · 3,930 mm | +15% 68-12 RS |
| Width declared | 77.2 in · 1,960 mm | 71.7–87.8 in · 1,820–2,229 mm | differs |
| Height, over the cab declared | 92.7 in · 2,355 mm | 100.8 in · 2,560 mm | +9% 68-12 RS |
| Ground clearance declared | 19.5 in · 495 mm | — | — |
| Turning radius, braked declared | 12.6 ft · 3.84 m | 13.3 ft · 4.05 m | +5% 68-12 RS |
| Fuel tank declared | 77.1 qt · 73.0 L | 114.1 qt · 108.0 L | +48% 68-12 RS |
Fiat 666 (DT) sources
Source
- Source: Traktorenlexikon, “Fiat 666/666 DT”
Renault 68-12 RS sources
Source
- Source: Traktorenlexikon, “Renault 68-12 RA/RS R7721”
- Source: Traktorenlexikon, “Renault 651 R7461”