8 material differences · fewer than 12
Tractor oneALLIS-CHALMERS 4 W-2201982–1984No measured PTO figureTractor twoFord FW-201977–1982No measured PTO figure
Which should you choose?
Read our verdict on the 4 W-220 and the FW-20 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
8 material differences · 3 fields identical or within 5%, which is not counted as material
| Field | 4 W-220 | FW-20 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 220 hp | 207.2 hp | +6% 4 W-220 |
| Engine declared | ALLIS-CHALMERS 670 HI | Cummins V-555 | differs |
| Displacement declared | 6.97 L | 9.09 L | +30% FW-20 |
| Transmission | |||
| Top speed declared | 18.6 mph · 30 km/h | 18.6–21.7 mph · 30–35 km/h | differs |
| Clutch declared | — | Hydraulically operated dry double clutch | — |
| Hydraulics & hitch | |||
| Hydraulic centre declared | Closed centre | — | — |
| Pump flow declared | 74.9 gpm · 283.5 L/min | 20.0 gpm · 75.7 L/min | +275% 4 W-220 |
| Rear PTO speeds declared | 1000 rpm | 540/1000 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 21,305 lb · 9,664 kg | 29,615 lb · 13,433 kg | +39% FW-20 |
| Wheelbase declared | 126.0 in · 3,200 mm | 132.5 in · 3,365 mm | — |
| Length declared | 256.3 in · 6,510 mm | 267.0 in · 6,782 mm | — |
| Width declared | 95.5 in · 2,426 mm | — | — |
| Height, over the cab declared | 129.4 in · 3,287 mm | 134.3 in · 3,411 mm | — |
| Ground clearance declared | 25.8 in · 655 mm | 12.0 in · 305 mm | +115% 4 W-220 |
| Fuel tank declared | 799.9 qt · 757.0 L | 899.9 qt · 851.6 L | +12% FW-20 |
ALLIS-CHALMERS 4 W-220 sources
Source
- Source: Traktorenlexikon, “Allis-Chalmers 4-W 220”
Ford FW-20 sources
Source
- Source: Traktorenlexikon, “Ford FW-20”