| Manufacturer | Allis Chalmers |
| Price | - |
| Model | HD11 |
| Equipment Type | Agricultural Crawler Tractors |
| Factory | Springfield, Illinois, USA |
ENGINE DETAIL 1
The Allis Chalmers HD11 features a robust 6-cylinder diesel engine with a substantial displacement of 516 ci (8.5L) and a compression ratio of 15.0:1, which enhances torque production for heavy-duty applications. Its oil bath air cleaner is effective in harsh conditions, although it may require more maintenance than dry filters. Operating at a rated RPM of 1800, this tractor is designed for durability in material handling and earthmoving tasks, but its 24-volt starter system demands proper electrical maintenance to ensure reliability.
| Description | Allis-Chalmers diesel 6-cylinder liquid-cooled vertical I-head |
| Displacemen | 516ci / 8.5L |
| Bore/Strok | 4.4375x5.5625inches / 113x 141mm |
| Air cleane | oil bath |
| Compressio | 15.0:1 |
| Rated RP | 1800 |
| Starter volt | 24 |
ENGINE DETAIL 2
The Allis Chalmers HD11 tractor features a turbocharged 6-cylinder diesel engine with a displacement of 8.5L, offering a robust output of 130hp at 1800 RPM, making it suitable for heavy-duty applications. Its high compression ratio of 15.0:1 enhances fuel efficiency and power delivery, though it may necessitate higher-quality fuel. A consideration for operators is the turbocharged variant available in the HD11AG, which can elevate performance but may require additional maintenance and cooling systems.
| Description | Allis-Chalmers turbocharged diesel 6-cylinder liquid-cooled vertical I-head Turbocharged version available on the HD11AG version |
| Displacemen | 516ci / 8.5L |
| Bore/Strok | 4.4375x5.5625inches / 113x 141mm |
| Powe | 130hp / 96.9kW |
| Compressio | 15.0:1 |
| Rated RP | 1800 |
ALLIS CHALMERS HD11 ENGINE
The Allis-Chalmers HD11 tractor is powered by an 8.5L 6-cylinder diesel engine, providing robust torque suitable for heavy-duty applications like land clearing or grading. With a 60-gallon fuel tank, it enables extended operation times, reducing downtime for refueling during large projects. However, its weight and size may challenge maneuverability in confined spaces, thus optimal for open or large-scale operational environments.
| Description | Allis-Chalmers 8.5L 6-cyl diesel |
| Fuel tan | 60gal / 227.1L |
TRANSMISSION
The Allis Chalmers HD11 features a sliding gear transmission with 6 forward and 3 reverse speeds, providing flexibility in various applications, especially in earthmoving and construction tasks. The sliding gear design enhances durability but may require more operator skill to manage effectively compared to synchromesh systems. Its gear range allows for efficient operation in both forward and reversing scenarios, making it suitable for confined spaces and varied terrain.
| Typ | sliding gear |
| Gear | 6 forward and 3 reverse |
ALLIS CHALMERS HD11 TRANSMISSION
The Allis Chalmers HD11 features a robust 6-speed sliding gear transmission, providing precise control over a range of speeds suitable for various earth-moving applications. The mechanical design ensures durability under heavy loads but may require greater operator skill to master gear engagement. Operators should be aware of potential challenges in shifting under load, which can lead to increased wear on the transmission components.
| Description | 6-speed sliding gear |
MECHANICAL
The Allis Chalmers HD11 is a crawler tractor featuring contracting band brakes which offer reliable stopping power under heavy loads, making it advantageous for earthmoving applications. The open operator station enhances operator visibility and comfort, but may expose the operator to environmental elements. While the crawler drivetrain provides excellent traction on uneven terrain, its weight can limit mobility on softer ground.
| Driv | crawler |
| Description | Contracting band brakes Open operator sttion |
DIMENSIONS & TRACKS
| Weigh | 22200lbs / 10069kg |
| Description | Tracks |