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John DeereModel A
John Deere 9RX 590
Articulated
- power
- 582 hp
- displacement
- 827 ci
- Cylinders
- 6
- Forward gears
- 18
Head to head · Articulated
John Deere 9RX 590 vs John Deere 9RX 640
John DeereModel B
John Deere 9RX 640
Four-Wheel Drive
- power
- 632 hp
- displacement
- 827 ci
- Cylinders
- 6
- Forward gears
- 18
John DeereJohn Deere 9RX 590
vs
John DeereJohn Deere 9RX 640
How they compare
Headline specs vs. the whole Articulated
Engine Power
▲ 9RX 640 higher · +50 hp (+9%)9RX 590582 hp
9RX 640632 hp
Median Articulated Tractor450 hp
9RX 590 is in the 91st percentile; 9RX 640 is in the 99th · 62 models
Engine Displacement
= Effectively tied9RX 590827 ci
9RX 640827 ci
Median Articulated Tractor827 ci
9RX 590 is in the 50th percentile; 9RX 640 is in the 50th · 61 models
Cylinders
= Effectively tied9RX 5906
9RX 6406
Median Articulated Tractor6
9RX 590 is in the 50th percentile; 9RX 640 is in the 50th · 61 models
Forward Gears
= Effectively tied9RX 59018
9RX 64018
Median Articulated Tractor16
9RX 590 is in the 97th percentile; 9RX 640 is in the 97th · 59 models
9RX 590 (A)9RX 640 (B)Median Articulated Tractor
Full comparison
Every spec, side by side
General Information
| Spec | John Deere 9RX 590 | John Deere 9RX 640 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | 9RX 590 | 9RX 640 | — |
| Category | Articulated | Four-Wheel Drive | — |
Engine
| Spec | John Deere 9RX 590 | John Deere 9RX 640 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | John Deere | Same |
| Model | JD14 | JD14 | Same |
| Power Output | 582hp | 632hp | ▲ 9RX 640+50 hp · +9% |
| Rated RPM | 2,100RPM | 2,100RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 827ci | 827ci | Same |
| Bore | 5.2in | 5.2in | Same |
| Stroke | 6.5in | 6.5in | Same |
Transmission
| Spec | John Deere 9RX 590 | John Deere 9RX 640 | Difference |
|---|---|---|---|
| Type | Full Power Shift | full power shift | Same |
Dimensions & Weight
| Spec | John Deere 9RX 590 | John Deere 9RX 640 | Difference |
|---|---|---|---|
| Length | 346in | 346in | Same |
| Width | 36in | 30in | ▲ 9RX 590+6 in · +20% |
| Height | 146in | 146in | Same |
| Operating Weight | 58,555lb | 56,320lb | ▲ 9RX 590+2,235 lb · +4% |
Hydraulics
| Spec | John Deere 9RX 590 | John Deere 9RX 640 | Difference |
|---|---|---|---|
| System Type | Closed Center Pressure/Flow Compensated | closed center pressure/flow compensated | Same |
Hitch & Towing
| Spec | John Deere 9RX 590 | John Deere 9RX 640 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | IVN/IV | — |
| Hitch Category | Not recorded | 3 | — |
| Hitch Position | Not recorded | Rear | — |
Chassis & Drive
| Spec | John Deere 9RX 590 | John Deere 9RX 640 | Difference |
|---|---|---|---|
| Drive Type | Track | Not recorded | — |
| Brake Type | Wet multiple discs hydraulically actuated | Not recorded | — |
Electrical
| Spec | John Deere 9RX 590 | John Deere 9RX 640 | Difference |
|---|---|---|---|
| Starter Type | Electric | electric | Same |
Capacities
| Spec | John Deere 9RX 590 | John Deere 9RX 640 | Difference |
|---|---|---|---|
| Coolant | 14.9gal | 14.9gal | Same |
Operator Station
| Spec | John Deere 9RX 590 | John Deere 9RX 640 | Difference |
|---|---|---|---|
| Type | Cab | Cab | Same |
Category context
Both models against the field
Engine Power
median 450 hpA · 91st percentile (582 hp)B · 99th percentile (632 hp)
Engine Displacement
median 827 ciA · 50th percentile (827 ci)B · 50th percentile (827 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 97th percentile (18)B · 97th percentile (18)
Operating Weight
median 51,335 lbA · 82nd percentile (58,555 lb)B · 77th percentile (56,320 lb)
A · 9RX 590B · 9RX 640Median Articulated Tractor