
John DeereModel A
John Deere 8870
Four-Wheel Drive
- power
- 350 hp
- displacement
- 619 ci
- Cylinders
- 6
- Forward gears
- 24
Head to head · Four-Wheel Drive

Four-Wheel Drive

Four-Wheel Drive
How they compare
8870 is in the 41st percentile; 9R 390 is in the 47th · 162 models
8870 is in the 20th percentile; 9R 390 is in the 50th · 152 models
8870 is in the 50th percentile; 9R 390 is in the 50th · 159 models
8870 is in the 98th percentile; 9R 390 is in the 86th · 146 models
Full comparison
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | 8870 | 9R 390 | — |
| Category | Four-Wheel Drive | Four-Wheel Drive | Same |
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | Not recorded | JD14 | — |
| Power Output | 350hp | 371hp | ▲ 9R 390+21 hp · +6% |
| Rated RPM | 2,100RPM | 2,100RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 619ci | 826ci | ▲ 9R 390+207 ci · +33% |
| Bore | 5.1in | 5.2in | ▲ 9R 390+0.1 in · +2% |
| Stroke | 5in | 6.5in | ▲ 9R 390+1.5 in · +30% |
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| Type | Powersync Diesel 12 and 24 Speeds | Full power shift | — |
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| Length | 269in | 313in | ▲ 9R 390+44 in · +16% |
| Height | Not recorded | 147in | — |
| Operating Weight | 35,130lb | 46,800lb | ▲ 9R 390+11,670 lb · +33% |
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| System Type | Closed center pressure compensated | Closed center pressure/flow compensated | — |
| Steering Type | Hydrostatic power | Not recorded | — |
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| Type | Independent (optional) | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| Hitch Type | 3-point hitch | Not recorded | — |
| Hitch Category | Category 3 | Category 4N | — |
| Hitch Position | Rear | Not recorded | — |
| Hitch Capacity | 14,980lb | Not recorded | — |
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 articulated 4WD | Not recorded | — |
| Drive Type | 4WD | Not recorded | — |
| Steering Type | Hydrostatic power | Not recorded | — |
| Brake Type | Hydraulic wet discs | Not recorded | — |
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| Coolant | 14.5gal | 14.9gal | ▲ 9R 390+0.4 gal · +3% |
| Spec | John Deere 8870 | John Deere 9R 390 | Difference |
|---|---|---|---|
| Type | Sound-Gard cab (standard) | Cab | — |
Category context