This page provides a detailed comparison of the specifications for the Allis Chalmers HD6 and the McCormick-Deering T-40.
| Allis Chalmers HD6 | McCormick-Deering T-40 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Allis-Chalmers | International Harvester |
| Engine Model | HD-344 | - |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Natural Aspirated | - |
| Engine Cylinders | 4 | 4 |
| Engine Displacement Value | 344 ci (5.6 L) | 298 ci (4.9 L) |
| Engine Rated Rpm | 1800 | 1100 |
| Transmission | ||
| Transmission Type | Sliding Gear | Gear |
| Transmission Forward Gears | 5 | 5 |
| Transmission Reverse Gears | 1 | 1 |
| Dimensions | ||
| Length Value | 127 | 141 |
| Width Value | 78.5 | 65 |
| Operating Weight Value | 13400 lb (6078 kg) | 12625 lb (5727 kg) |
| Miscellaneous | ||
| Chassis | Crawler | Enclosed gear |
| Drive Type | Tracks | TraclTayer |
| Hitch Category | - | Category 3 |
| Operator Station Type | Open operator station | - |
| Starter Type | Electric | - |
