
John DeereModel A
John Deere 6610
Row Crop
- power
- 114 hp
- displacement
- 414 ci
- Cylinders
- 6
- Forward gears
- 24
Head to head · Row Crop

Row Crop
Row Crop
How they compare
6610 is in the 34th percentile; X6.420 is in the 34th · 1,206 models
6610 is in the 66th percentile; X6.420 is in the 25th · 1,409 models
6610 is in the 50th percentile; X6.420 is in the 17th · 1,417 models
6610 is in the 81st percentile; X6.420 is in the 95th · 1,200 models
Full comparison
| Spec | John Deere 6610 | McCormick Intl X6.420 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | McCormick Intl | — |
| Model | 6610 | X6.420 | — |
| Category | Row Crop | Row Crop | Same |
| Spec | John Deere 6610 | McCormick Intl X6.420 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | BetaPower | — |
| Power Output | 114hp | 114hp | Same |
| Rated RPM | 2,300RPM | 2,200RPM | ▲ 6610+100 RPM · +5% |
| Cylinders | 6 | 4 | ▲ 6610+2 · +50% |
| Displacement | 414ci | 275ci | ▲ 6610+139 ci · +51% |
| Bore | 4.2in | 4.1in | ▲ 6610+0.1 in · +2% |
| Stroke | 5in | 5.2in | ▲ X6.420+0.2 in · +4% |
| Spec | John Deere 6610 | McCormick Intl X6.420 | Difference |
|---|---|---|---|
| Type | Not recorded | Three-speed power shift | — |
| Spec | John Deere 6610 | McCormick Intl X6.420 | Difference |
|---|---|---|---|
| Length | 179in | 173in | ▲ 6610+6 in · +3% |
| Width | 91.3in | 80.9in | ▲ 6610+10.4 in · +13% |
| Height | 111in | 110in | ▲ 6610+1 in · <1% |
| Operating Weight | 10,400lb | 10,362lb | ▲ 6610+38 lb · <1% |
| Spec | John Deere 6610 | McCormick Intl X6.420 | Difference |
|---|---|---|---|
| System Type | Closed-center load sensing | Open center | — |
| Steering Type | Power | Power | Same |
| Spec | John Deere 6610 | McCormick Intl X6.420 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Category II | — |
| Hitch Category | II | Category 3 | — |
| Spec | John Deere 6610 | McCormick Intl X6.420 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 MFWD 4WD | 4x4 MFWD 4WD | Same |
| Drive Type | 4WD | 4WD | Same |
| Steering Type | Power | Power | Same |
| Spec | John Deere 6610 | McCormick Intl X6.420 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | John Deere 6610 | McCormick Intl X6.420 | Difference |
|---|---|---|---|
| Coolant | 3.4gal | Not recorded | — |
Category context