| Manufacturer | Allis Chalmers |
| Price | 3,100(USD) |
| Model | HD20 |
| Equipment Type | Agricultural Crawler Tractors |
| Factory | Springfield, Illinois, USA |
ENGINE DETAIL
The Allis Chalmers HD20 tractor features a General Motors 6-cylinder blower diesel engine, providing high torque for heavy-duty applications, particularly at low RPMs. With a substantial displacement of 10.8L and a compression ratio of 18.0:1, it ensures efficient combustion and power delivery, although this may require high-quality diesel fuel to prevent knock. The 24V starter system aids in reliable cold starts, while the 60qt coolant capacity allows for effective thermal management, making it suitable for prolonged operation in demanding conditions.
| Description | General Motors blower diesel 6-cylinder liquid-cooled 2-cycle vertical I-head |
| Displacemen | 660ci / 10.8L |
| Bore/Strok | 5.00x5.60inches / 127x 142mm |
| Compressio | 18.0:1 |
| Rated RP | 1700 |
| Starter volt | 24 |
| Coolant capacit | 60qts / 56.8L |
ALLIS CHALMERS HD20 ENGINE
The Allis Chalmers HD20 features a powerful General Motors 10.8L 6-cylinder diesel engine, ensuring robust performance for heavy-duty applications. Its substantial 120-gallon fuel tank offers extended operational time, beneficial in large-scale agricultural or construction projects. However, the significant weight and dimensions may pose challenges in maneuverability and transportation, necessitating careful site planning.
| Description | General Motors 10.8L 6-cyl diesel |
| Fuel tan | 120gal / 454.2L |
TRANSMISSION
The Allis Chalmers HD20 tractor features a torque converter, enhancing its capability in various terrains by providing smoother power transfer and improved traction. With 2 forward and 1 reverse gear ratios, it offers limited speed options, which may challenge operators during quick maneuvers or when navigating varying work environments. This configuration is ideal for heavy-duty applications, such as earthmoving or agricultural tasks, where consistent power delivery is essential.
| Typ | torque converter |
| Gear | 2 forward and 1 reverse |
ALLIS CHALMERS HD20 TRANSMISSION
The Allis Chalmers HD20 tractor features a 2-speed torque converter, which enhances power transfer efficiency and provides better control during various operations. This system allows for smoother acceleration and improved performance in heavy-duty applications, making it ideal for tasks such as earthmoving or hauling. However, potential challenges include increased maintenance complexity and component wear over time, necessitating regular checks to ensure optimal function.
| Description | 2-speed torque converter |
MECHANICAL
The Allis Chalmers HD20 is a crawler tractor designed for heavy-duty applications, featuring a durable undercarriage suitable for rough terrain. With its open operator station, it offers enhanced visibility and accessibility, but may expose the operator to environmental conditions. Key advantages include superior traction and stability on uneven surfaces, making it ideal for construction and agricultural tasks.
| Driv | crawler |
| Description | Open operator station |
DIMENSIONS & TRACKS
| Weigh | 41000lbs / 18597kg |
| Description | Tracks |