
John DeereModel A
John Deere 3640
Utility
- power
- 117 hp
- displacement
- 359 ci
- Cylinders
- 6
- Forward gears
- 16
Head to head · Utility

Utility
Utility
How they compare
3640 is in the 89th percentile; 6R 120 is in the 89th · 5,383 models
3640 is in the 87th percentile; 6R 120 is in the 81st · 5,580 models
3640 is in the 93rd percentile; 6R 120 is in the 50th · 5,720 models
3640 is in the 91st percentile; 6R 120 is in the 92nd · 5,107 models
Full comparison
| Spec | John Deere 3640 | John Deere 6R 120 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | 3640 | 6R 120 | — |
| Category | Utility | Utility | Same |
| Spec | John Deere 3640 | John Deere 6R 120 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | Not recorded | PowerTech PSS | — |
| Power Output | 117hp | 118hp | ▲ 6R 120+1 hp · <1% |
| Rated RPM | 2,400RPM | 1,600RPM | ▲ 3640+800 RPM · +50% |
| Cylinders | 6 | 4 | ▲ 3640+2 · +50% |
| Displacement | 359ci | 276ci | ▲ 3640+83 ci · +30% |
| Bore | 4.2in | 4.2in | Same |
| Stroke | 4.3in | 5in | ▲ 6R 120+0.7 in · +16% |
| Spec | John Deere 3640 | John Deere 6R 120 | Difference |
|---|---|---|---|
| Type | Partial power shift | Continuously Variable Transmission (CVT) | — |
| Spec | John Deere 3640 | John Deere 6R 120 | Difference |
|---|---|---|---|
| Length | 189in | Not recorded | — |
| Width | 85in | Not recorded | — |
| Height | 117in | Not recorded | — |
| Operating Weight | 12,929lb | 13,448lb | ▲ 6R 120+519 lb · +4% |
| Spec | John Deere 3640 | John Deere 6R 120 | Difference |
|---|---|---|---|
| System Type | Closed center constant pressure | Closed-center PFC | — |
| Steering Type | Power | Power | Same |
| Spec | John Deere 3640 | John Deere 6R 120 | Difference |
|---|---|---|---|
| Hitch Type | Three-point hitch | Three-Point Hitch | Same |
| Hitch Category | Category 3 | III | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | 17,680lb | Not recorded | — |
| Spec | John Deere 3640 | John Deere 6R 120 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 MFWD 4WD | 4x4 MFWD 4WD | Same |
| Drive Type | 4WD | MFWD 4WD | — |
| Steering Type | Power | Power | Same |
| Spec | John Deere 3640 | John Deere 6R 120 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | John Deere 3640 | John Deere 6R 120 | Difference |
|---|---|---|---|
| Coolant | 5gal | Not recorded | — |
| Spec | John Deere 3640 | John Deere 6R 120 | Difference |
|---|---|---|---|
| Type | Cab | Not recorded | — |
Category context