This page provides a detailed comparison of the specifications for the John Deere 7020 and the John Deere 8100T.
| John Deere 7020 | John Deere 8100T | |
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| Engine | ||
| Engine Manufacturer | John Deere | John Deere |
| Engine Model | John Deere | - |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | - |
| Engine Induction Type | Turbocharged intercooled | Turbocharged intercooled |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 404 ci (6.6 L) | 496 ci (8.1 L) |
| Engine Rated Rpm | 2200 | 2200 |
| Transmission | ||
| Transmission Type | Partially synchronized | Full powershift |
| Transmission Forward Gears | 8 | 16 |
| Transmission Reverse Gears | 2 | 4 |
| Dimensions | ||
| Length Value | - | 207 |
| Width Value | - | 103.7 |
| Operating Weight Value | 18495 lb (8389 kg) | 24470 lb (11099 kg) |
| Miscellaneous | ||
| Chassis | 4x4 articulated 4WD | - |
| Drive Type | 4WD | Track |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | - | III/IIIN |
| Hitch Category | Category 3 | Category 3 |
| Hitch Position | - | Rear |
| Hydraulic System Type | Closed center | Pressure/Flow Compensated (PFC) |
| Operator Station Type | Cab (standard) | Cab |
| Starter Type | Electric | Electric |
