This page provides a detailed comparison of the specifications for the John Deere 6603 and the John Deere 6620 Premium.
| John Deere 6603 | John Deere 6620 Premium | |
|---|---|---|
| Images | ||
| Engine | ||
| Engine Manufacturer | John Deere | John Deere |
| Engine Model | 6068T | 6068T |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Turbocharged | Turbocharged intercooled |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 414 ci (6.8 L) | 414 ci (6.8 L) |
| Engine Rated Rpm | 2100 | 2300 |
| Engine Power Output Value | 112 hp (83.5 kW) | 125 hp (93.2 kW) |
| Transmission | ||
| Transmission Type | Partially synchronized | Partial power shift |
| Transmission Forward Gears | 9 | 24 |
| Transmission Reverse Gears | 3 | 24 |
| Dimensions | ||
| Width Value | 73 | - |
| Operating Weight Value | - | 11532 lb (5231 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x4 MFWD 4WD |
| Drive Type | 2WD | 4WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | Three-Point Hitch | Rear Type II/IIIN |
| Hitch Category | II | - |
| Hitch Position | Rear | Rear |
| Hitch Capacity Value | 4828 lb (2190 kg) | 18740 lb (8500 kg) |
| Hydraulic System Type | Open center | Closed center load sensing |
| Starter Type | Electric Starter | Electric |
