John DeereModel A
John Deere 9R 390
Four-Wheel Drive
- power
- 371 hp
- displacement
- 826 ci
- Cylinders
- 6
- Forward gears
- 18
Head to head · Four-Wheel Drive
John Deere 9R 390 vs John Deere 9R 440
Image not recorded
John DeereModel B
John Deere 9R 440
Four-Wheel Drive
- power
- 390 hp
- displacement
- 826 ci
- Cylinders
- 6
- Forward gears
- 18
John DeereJohn Deere 9R 390
vs
John DeereJohn Deere 9R 440
How they compare
Headline specs vs. the whole Four-Wheel Drive
Engine Power
▲ 9R 440 higher · +19 hp (+5%)9R 390371 hp
9R 440390 hp
Median Four-Wheel Drive Tractor375 hp
9R 390 is in the 47th percentile; 9R 440 is in the 51st · 162 models
Engine Displacement
= Effectively tied9R 390826 ci
9R 440826 ci
Median Four-Wheel Drive Tractor826 ci
9R 390 is in the 50th percentile; 9R 440 is in the 50th · 152 models
Cylinders
= Effectively tied9R 3906
9R 4406
Median Four-Wheel Drive Tractor6
9R 390 is in the 50th percentile; 9R 440 is in the 50th · 159 models
Forward Gears
= Effectively tied9R 39018
9R 44018
Median Four-Wheel Drive Tractor16
9R 390 is in the 86th percentile; 9R 440 is in the 86th · 146 models
9R 390 (A)9R 440 (B)Median Four-Wheel Drive Tractor
Full comparison
Every spec, side by side
General Information
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | 9R 390 | 9R 440 | — |
| Category | Four-Wheel Drive | Four-Wheel Drive | Same |
Engine
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | JD14 | John Deere Diesel | — |
| Power Output | 371hp | 390hp | ▲ 9R 440+19 hp · +5% |
| Rated RPM | 2,100RPM | 1,800RPM | ▲ 9R 390+300 RPM · +17% |
| Cylinders | 6 | 6 | Same |
| Displacement | 826ci | 826ci | Same |
| Bore | 5.2in | 5.2in | Same |
| Stroke | 6.5in | 6.5in | Same |
Transmission
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| Type | Full power shift | Full power shift | Same |
Dimensions & Weight
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| Length | 313in | 313in | Same |
| Width | Not recorded | 173in | — |
| Height | 147in | 147in | Same |
| Operating Weight | 46,800lb | 46,800lb | Same |
Hydraulics
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| System Type | Closed center pressure/flow compensated | Dual pump system | — |
| Steering Type | Not recorded | Hydrostatic and articulated | — |
Power Take-off (PTO)
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| Speed 1 | Not recorded | 1,000rpm | — |
Hitch & Towing
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| Hitch Category | Category 4N | IV | — |
Chassis & Drive
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Hydrostatic and articulated | — |
| Brake Type | Not recorded | Wet multiple disc hydraulically actuated | — |
Electrical
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| Coolant | 14.9gal | 14.9gal | Same |
Operator Station
| Spec | John Deere 9R 390 | John Deere 9R 440 | Difference |
|---|---|---|---|
| Type | Cab | Cab | Same |
Category context
Both models against the field
Engine Power
median 375 hpA · 47th percentile (371 hp)B · 51st percentile (390 hp)
Engine Displacement
median 826 ciA · 50th percentile (826 ci)B · 50th percentile (826 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 86th percentile (18)B · 86th percentile (18)
Operating Weight
median 37,428 lbA · 83rd percentile (46,800 lb)B · 83rd percentile (46,800 lb)
A · 9R 390B · 9R 440Median Four-Wheel Drive Tractor