This page provides a detailed comparison of the specifications for the Allis Chalmers 7030 and the Allis Chalmers D21 Series II. The specifications are categorized into four main sections: Engine, Transmission, Dimensions, and Miscellaneous. By comparing these two tractors side by side, you can easily identify the similarities and differences between them and determine which one best suits your needs.
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Allis Chalmers 7030
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Allis Chalmers D21 Series II
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| Images | No images available | |
| Engine | ||
| Engine - Manufacturer | Allis Chalmers | Allis Chalmers |
| Engine - Model | 3500 Mark II | 3500 |
| Engine - Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine - Cylinder Orientation | - | - |
| Engine - Valve Configuration | - | - |
| Engine - Fuel Type | Diesel | Diesel |
| Engine - Induction Type | - | - |
| Engine - Cylinders | 6 | 6 |
| Engine - Displacement (ci) | 426 | 426 |
| Engine - Bore (in) | 4.25 | 4.25 |
| Engine - Stroke (in) | - | - |
| Engine - Rated RPM | 2300 | 2200 |
| Engine - Power Output (hp) | 131.09 | 121 |
| Transmission | ||
| Transmission - Type | Selective gear fixed ratio with partial range operator controlled power shifting | Sliding gear with dry disc clutch |
| Transmission - Forward Gears | 20 | 8 |
| Transmission - Reverse Gears | - | - |
| Transmission - Total Gears | - | - |
| Dimensions | ||
| Length (in) | 163 | 160.2 |
| Width (in) | 95.3 | 91.3 |
| Height (in) | 116 | 106.3 |
| Operating Weight (lb) | 12,430 | 9502 |
| Miscellaneous | ||
| Chassis | 2WD | 4x2 2WD |
| Drive Type | 2WD | 2WD |
| Steering Type | Hydrostatic power | Power |
| Coolant Capacity (qts) | - | 31 |
| Front Tire Diameter (in) | - | - |
| Front Tire Width (in) | - | - |
| Rear Tire Diameter (in) | - | - |
| Rear Tire Width (in) | - | - |
| Front/Rear Rim Diameter (in) | - | - |
| Tire Type | Ag (Agricultural) | Agricultural |
| Manufacture - End Year | 1974 | 1969 |
| Hitch Type | - | Three-Point Hitch |
| Hitch Category | - | - |
| Hitch Position | - | Rear |
| Hitch Capacity (lb) | - | - |
| Operator Station Type | Open operator station or Cab (optional) | Open |
| Starter Type | Electric | Electric |
| PTO Type | Independent | Independent |
| PTO Speed 1 (rpm) | 540 | 1000 |
| PTO Speed 2 (rpm) | 1000 | - |
| PTO Speed 3 (rpm) | - | - |
| Brake Type | Wet multiple disc brakes operated hydraulically by two-foot pedals | Band actuated disc |
| Hydraulic System Type | Open center | - |
