This page provides a detailed comparison of the specifications for the Allis Chalmers 7000 and the John Deere 8420.
| Allis Chalmers 7000 | John Deere 8420 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Allis Chalmers | John Deere |
| Engine Model | 2900 | - |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Turbocharged | Turbocharged |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 301 ci (4.9 L) | 496 ci (8.1 L) |
| Engine Rated Rpm | 2200 | 2200 |
| Engine Power Output Value | 117 hp (87.2 kW) | 270 hp (201.3 kW) |
| Transmission | ||
| Transmission Type | Partial power shift | Full power shift |
| Transmission Forward Gears | 12 | 16 |
| Transmission Reverse Gears | 3 | 4 |
| Dimensions | ||
| Length Value | 183 | 211.9 |
| Operating Weight Value | 9550 lb (4332 kg) | 23955 lb (10866 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x4 MFWD 4WD |
| Drive Type | 2WD | 4WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | Three-Point Hitch | III/IIIN |
| Hitch Category | II | Category 3 |
| Hitch Position | Rear | Rear |
| Hitch Capacity Value | - | 17897 lb (8118 kg) |
| Hydraulic System Type | Open center | Closed center pressure-flow compensated (PFC) |
| Operator Station Type | Cab (Acousta-Cab optional or Acousta-Cab II from 1978) | Cab (standard) |
| Starter Type | Electric Starter | Electric |
