Fiat 55-66 S (DT) vs Fiat 55-86 (DT)
9 material differences · fewer than 12
Which should you choose?
We will not advise between these two machines, because their unladen weight differs by more than 25% (40%). 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
9 material differences · 6 fields identical or within 5%, which is not counted as material
| Field | 55-66 S (DT) | 55-86 (DT) | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 54.3 hp | 54.2 hp | — |
| Engine declared | FIAT-IVECO 8035.06 | FIAT-IVECO 8035.06.222 (323) | differs |
| Displacement declared | 2.71 L | 2.71 L | — |
| Maximum torque declared | 130 lb·ft · 176 N·m | — | — |
| Transmission | |||
| Top speed declared | 18.6–24.9 mph · 30–40 km/h | 18.6 mph · 30 km/h | differs |
| Clutch declared | Dry OMG or LuK double clutch | — | — |
| Hydraulics & hitch | |||
| Hydraulic centre declared | Open centre | — | — |
| Pump flow declared | 9.1 gpm · 34.5 L/min | 10.6 gpm · 40.0 L/min | +16% 55-86 (DT) |
| Pressure declared | 3,118 psi · 215 bar | 3,118 psi · 215 bar | — |
| Three-point lift at ends declared | 6,614 lb · 3,000 kg | 5,236 lb · 2,375 kg | +26% 55-66 S (DT) |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 5,809 lb · 2,635 kg | 4,149 lb · 1,882 kg | +40% 55-66 S (DT) |
| Maximum permissible mass declared | 8,488 lb · 3,850 kg | — | — |
| Wheelbase declared | 78.7 in · 1,999 mm | 72.6 in · 1,844 mm | +8% 55-66 S (DT) |
| Length declared | 127.6 in · 3,241 mm | 128.9 in · 3,275 mm | — |
| Width declared | 60.6 in · 1,540 mm | 60.6 in · 1,540 mm | — |
| Height declared | 89.4 in · 2,270 mm | 77.8 in · 1,977 mm | +15% 55-66 S (DT) |
| Ground clearance declared | 18.1 in · 460 mm | 12.9 in · 327 mm | +41% 55-66 S (DT) |
| Fuel tank declared | 77.1 qt · 73.0 L | 47.6 qt · 45.0 L | +62% 55-66 S (DT) |
Fiat 55-66 S (DT) sources
Source
- Source: Traktorenlexikon, “Fiatagri 55-66S/55-66 DTS”
- Source: Traktorenlexikon, “Fiat 50-66/50-66 DT”
Fiat 55-86 (DT) sources
Source
- Source: Traktorenlexikon, “Fiatagri 55-86 V/55-86 V/DT”