7 material differences · fewer than 12
Tractor oneJohn Deere 66202002–2007No measured PTO figureTractor twoJohn Deere 7320 (A)2003–2007No measured PTO figure
Which should you choose?
We will not advise between these two machines, because the drive differs (4WD; Two-wheel or four-wheel drive). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.
Field by field
7 material differences · 8 fields identical or within 5%, which is not counted as material
| Field | 6620 | 7320 (A) | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 123 hp | 123 hp | — |
| Engine declared | John Deere PowrTech 6.068 HLA-070/V2-DE or 6.068 HL-471/HP | John Deere PowrTech 6.068 HRW-475 | differs |
| Displacement declared | 6.79 L | 6.79 L | — |
| Maximum torque declared | 353 lb·ft · 479.0 N·m | 353 lb·ft · 479 N·m | — |
| Transmission | |||
| Top speed declared | 24.9–31.1 mph · 40–50 km/h | 18.6–31.1 mph · 30–50 km/h | differs |
| Clutch declared | — | Pedal operated hydraulic wet multi disc clutch | — |
| Hydraulics & hitch | |||
| Hydraulic centre declared | Closed centre | — | — |
| Hydraulic control declared | Load sensing | Load sensing | — |
| Pump flow declared | — | 30.1 gpm · 113.9 L/min | — |
| Pressure declared | 3,017–3,220 psi · 208–222 bar | 3,553 psi · 245 bar | differs |
| Rear PTO speeds declared | 540E/540/1000 rpm | 540/1000 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 13,040 lb · 5,915 kg | 13,007 lb · 5,900 kg | — |
| Maximum permissible mass declared | 20,944 lb · 9,500 kg | — | — |
| Wheelbase declared | 104.3 in · 2,650 mm | 112.8 in · 2,865 mm | +8% 7320 (A) |
| Length declared | 185.2 in · 4,705 mm | 176.0 in · 4,471 mm | — |
| Width declared | 96.3 in · 2,445 mm | 96.0–105.7 in · 2,438–2,686 mm | differs |
| Height, over the cab declared | 113.2 in · 2,875 mm | 112.8 in · 2,865 mm | — |
| Ground clearance declared | 18.1 in · 460 mm | 20.5 in · 520 mm | +13% 7320 (A) |
| Fuel tank declared | 218.7 qt · 207.0 L | 218.7 qt · 207.0 L | — |
John Deere 6620 sources
Source
- Source: Traktorenlexikon, “John Deere 6620”
- Source: OECD test report 2038, 2003
John Deere 7320 (A) sources
Source
- Source: Traktorenlexikon, “John Deere 7320”