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Allis Chalmers D21 Series I Specs
Allis Chalmers D21 Series I agricultural tractor specifications: tractor type Row-Crop Tractor, horsepower 76.8 kW, weight 4310.0 kg, transmission type Sliding gear with dry disc clutch.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Tractor Type | Row-Crop Tractor | |
| Horsepower | 76.8 kW | 103.0 HP |
| Weight | 4310.0 kg | 9501.9 lbs |
| Transmission Type | Sliding gear with dry disc clutch | |
| Length | 407.0 cm | 160.2 in. |
| Years Made | 1963-1965 | |
| Engine Model | Allis Chalmers 3400 | |
| Engine Type | 4-stroke, liquid-cooled, inline | |
| Fuel Type | Diesel | |
| Cylinders | 6 | |
| Displacement | 6980 cc | 425.9 cu in. |
| Bore | 10.79 cm | 4.25 in. |
| Stroke | 12.70 cm | 5.00 in. |
| Rear PTO Type | Independent | |
| Rear PTO Speed | 1.000 RPM | |
| Rated RPM | 2200 RPM | |
| Compression Ratio | 16.0:1 | |
| Battery | Two or four 12V, 95Ah | |
| Starter | Electric | |
| Height | 270.0 cm | 106.3 in. |
| Width | 232.0 cm | 91.3 in. |
| Wheelbase | 244.0 cm | 96.1 in. |
| Fuel Tank Capacity | 196.8 l | 52.0 gal |
| Oil Capacity | 11.4 l | 3.0 gal |
| Coolant Capacity | 19.9 l | 5.3 gal |
| Transmission Oil Capacity | 87.1 l | 17.0 gal (64.4 l) 23.0 gal |
| Transmission Model | Power Director | |
| Gears | 8 forward and 2 reverse | |
| Chassis | 4×2 2WD | |
| Max. Travel Speed | 11.0 km/h | Forward: 16.2 MPH (26.0 km/h) Reverse: 6.8 MPH |
| Brakes | Band actuated disc | |
| Drawbar Category | III/II | |
| Cabin Type | Open operator station | |
| Steering Type | Power | |
| Front Tires | Ag: 7.50×20 | |
| Rear Tires | Ag: 18.4×34 |
Source: heavyequipments.net archive (imported 2026-10). Values may vary by variant and production year; seller claims are shown separately on the listing page.
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