This page provides a detailed comparison of the specifications for the Allis Chalmers 8550 and the Steiger Cougar III ST-251. 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 8550
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Steiger Cougar III ST-251
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| Images | No images available | |
| Engine | ||
| Engine - Manufacturer | Allis Chalmers | Cummins |
| Engine - Model | 6120T | NT-855C |
| 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) | 731 | 855 |
| Engine - Bore (in) | 5.25 | 5.5 |
| Engine - Stroke (in) | - | - |
| Engine - Rated RPM | 2500 | 2100 |
| Engine - Power Output (hp) | 300 | 250 |
| Transmission | ||
| Transmission - Type | Partial Power Shift | Manual |
| Transmission - Forward Gears | 20 | 20 |
| Transmission - Reverse Gears | - | - |
| Transmission - Total Gears | - | - |
| Dimensions | ||
| Length (in) | 285 | 252 |
| Width (in) | 95.5 (Long axle width: 119.5) | 96 |
| Height (in) | 139 | 155.8 |
| Operating Weight (lb) | 27,040 | 26,610 |
| Miscellaneous | ||
| Chassis | 4x4 Articulated 4WD | 4x4 articulated |
| Drive Type | 4WD | 4WD |
| Steering Type | Hydrostatic Power | Hydrostatic power |
| Coolant Capacity (qts) | 72 | 56 |
| Front Tire Diameter (in) | - | - |
| Front Tire Width (in) | - | - |
| Rear Tire Diameter (in) | 38 | 34 |
| Rear Tire Width (in) | - | - |
| Front/Rear Rim Diameter (in) | - | - |
| Tire Type | Ag Tires | Agricultural |
| Manufacture - End Year | 1981 | - |
| Hitch Type | Three-Point Hitch | - |
| Hitch Category | - | - |
| Hitch Position | - | - |
| Hitch Capacity (lb) | - | - |
| Operator Station Type | Acousta Cab II with heat and air-conditioning | - |
| Starter Type | Electric | 12 volts |
| PTO Type | Independent | - |
| PTO Speed 1 (rpm) | 1000 | - |
| PTO Speed 2 (rpm) | - | - |
| PTO Speed 3 (rpm) | - | - |
| Brake Type | Hydraulic Wet Discs | - |
| Hydraulic System Type | Closed Center | Open Center |
