SPECS / COMPARISON
Allis Chalmers D21 vs Allis Chalmers 180
A detailed comparison of the Allis Chalmers D21 and the Allis Chalmers 180. Click a model name to view its full specifications.
Weight
Allis Chalmers D214310.0 kg (9501.9 lbs)
Allis Chalmers 1804660.0 kg (10273.5 lbs)
| Specification | Allis Chalmers D21 Agricultural Tractors | Allis Chalmers 180Agricultural Tractors |
|---|---|---|
| Tractor Type | Row-Crop Tractor | Row-Crop Tractor |
| Horsepower | 90.2 kW (121.0 HP) | — |
| Weight | 4310.0 kg (9501.9 lbs) | 4660.0 kg (10273.5 lbs) |
| Transmission Type | Sliding gear with dry disc clutch | Partial powershift |
| Length | 407.0 cm (160.2 in.) | 401.0 cm (157.9 in.) |
| Years Made | 1965-1969 | 1967-1973 |
| Engine Model | Allis Chalmers 3500 | Allis Chalmers |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel | Gasoline |
| Cylinders | 6 | 6 |
| Displacement | 6980 cc (425.9 cu in.) | 4343 cc (265.0 cu in.) |
| Bore | 10.79 cm (4.25 in.) | 9.50 cm (3.74 in.) |
| Stroke | 12.70 cm (5.00 in.) | 10.21 cm (4.02 in.) |
| Rear PTO Type | Independent | — |
| Rear PTO Speed | 1.000 RPM | 540 RPM |
| Rated RPM | 2200 RPM | — |
| Compression Ratio | 16.0:1 | 8.2:1 |
| Battery | Two or four 12V, 95Ah | One or two 12V 95A |
| Starter | Electric | Electric |
| Height | 270.0 cm (106.3 in.) | 211.0 cm (83.1 in.) |
| Width | 232.0 cm (91.3 in.) | 194.0 cm (76.4 in.) |
| Wheelbase | 244.0 cm (96.1 in.) | 251.0 cm (98.8 in.) |
| Fuel Tank Capacity | 196.8 l (52.0 gal) | 93.0 l (24.6 gal) |
| Oil Capacity | 14.2 l (3.8 gal) | 11.5 l (3.0 gal) |
| Coolant Capacity | 29.3 l (7.7 gal) | 16.0 l (4.2 gal) |
| Transmission Oil Capacity | 64.4 l (17.0 gal) | 22.7 l (6.0 gal) |
| Transmission Model | Power Director | Allis-Chalmers Power Director |
| Gears | 8 forward and 2 reverse | 8 forward and 2 reverse |
| Chassis | 4×2 2WD | 4×2 2WD |
| Max. Travel Speed | 11.0 km/h (Forward: 16.2 MPH (26.0 km/h) Reverse: 6.8 MPH) | 6.3 km/h (Forward: 13.7 MPH (22.0 km/h) Reverse: 3.9 MPH) |
| Brakes | Band actuated disc | Differential disc |
| Drawbar Category | III/II | II |
| Cabin Type | Open operator station | Open operator station |
| Steering Type | Power | Hydraulic power |
| Front Tires | Ag: 7.50×20 | Ag: 6.50-16; 7.50-16; 9.00-10 |
| Rear Tires | Ag: 18.4×34 | Ag: 14.9/13-28; 16.9/14-28; 18.4/15-28; 23.1/18-26 |
| Pump Flow | — | 37.9 LPM (10.0 GPM) |
| Hydraulic Capacity | — | 34.0 l (9.0 gal) |
| Hydraulic Type | — | Open center |
| Steering Flow | — | 22.0 LPM (5.8 GPM) |
| Valves | — | 2 |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.