John DeereModel A
John Deere 9RX 640
Four-Wheel Drive
- power
- 632 hp
- displacement
- 827 ci
- Cylinders
- 6
- Forward gears
- 18
Head to head · Four-Wheel Drive
John Deere 9RX 640 vs Kioti DK50
John DeereJohn Deere 9RX 640
vs
KiotiKioti DK50
How they compare
Headline specs vs. the whole Four-Wheel Drive
Engine Power
▲ 9RX 640 higher · +583 hp (+1190%)9RX 640632 hp
DK5049 hp
Median Four-Wheel Drive Tractor375 hp
9RX 640 is in the 99th percentile; DK50 is in the 1st · 162 models
Engine Displacement
▲ 9RX 640 higher · +705 ci (+578%)9RX 640827 ci
DK50122 ci
Median Four-Wheel Drive Tractor826 ci
9RX 640 is in the 53rd percentile; DK50 is in the 1st · 152 models
Cylinders
▲ 9RX 640 higher · +2 (+50%)9RX 6406
DK504
Median Four-Wheel Drive Tractor6
9RX 640 is in the 50th percentile; DK50 is in the 1st · 159 models
Forward Gears
▲ 9RX 640 higher · +6 (+50%)9RX 64018
DK5012
Median Four-Wheel Drive Tractor16
9RX 640 is in the 86th percentile; DK50 is in the 27th · 146 models
9RX 640 (A)DK50 (B)Median Four-Wheel Drive Tractor
Full comparison
Every spec, side by side
General Information
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | Kioti | — |
| Model | 9RX 640 | DK50 | — |
| Category | Four-Wheel Drive | Utility | — |
Engine
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| Manufacturer | John Deere | Daedong | — |
| Model | JD14 | 4A200T | — |
| Power Output | 632hp | 49hp | ▲ 9RX 640+583 hp · +1190% |
| Rated RPM | 2,100RPM | 2,600RPM | ▲ DK50+500 RPM · +24% |
| Cylinders | 6 | 4 | ▲ 9RX 640+2 · +50% |
| Displacement | 827ci | 122ci | ▲ 9RX 640+705 ci · +578% |
| Bore | 5.2in | 3.3in | ▲ 9RX 640+1.9 in · +58% |
| Stroke | 6.5in | 3.6in | ▲ 9RX 640+2.9 in · +81% |
Transmission
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| Type | full power shift | Synchronized Shuttle | — |
Dimensions & Weight
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| Length | 346in | 131in | ▲ 9RX 640+215 in · +164% |
| Width | 30in | 61in | ▲ DK50+31 in · +103% |
| Height | 146in | Not recorded | — |
| Operating Weight | 56,320lb | 3,814lb | ▲ 9RX 640+52,506 lb · +1377% |
Hydraulics
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| System Type | closed center pressure/flow compensated | Open Center | — |
| Steering Type | Not recorded | Hydraulic Power | — |
Power Take-off (PTO)
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| Type | Not recorded | Independent | — |
| Speed 1 | Not recorded | 540rpm | — |
Hitch & Towing
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| Hitch Type | IVN/IV | Three-Point Hitch | — |
| Hitch Category | 3 | II/I | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | Not recorded | 3,970lb | — |
Chassis & Drive
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x4 MFWD 4WD | — |
| Drive Type | Not recorded | 4WD | — |
| Steering Type | Not recorded | Hydraulic Power | — |
| Brake Type | Not recorded | Wet Disc | — |
Electrical
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| Starter Type | electric | Electric | Same |
Capacities
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| Coolant | 14.9gal | 2.4gal | ▲ 9RX 640+12.5 gal · +521% |
Operator Station
| Spec | John Deere 9RX 640 | Kioti DK50 | Difference |
|---|---|---|---|
| Type | Cab | Foldable ROPS or Cab (optional) | — |
Category context
Both models against the field
Engine Power
median 375 hpA · 99th percentile (632 hp)B · 1st percentile (49 hp)
Engine Displacement
median 826 ciA · 53rd percentile (827 ci)B · 1st percentile (122 ci)
Cylinders
median 6A · 50th percentile (6)B · 1st percentile (4)
Forward Gears
median 16A · 86th percentile (18)B · 27th percentile (12)
Operating Weight
median 37,428 lbA · 96th percentile (56,320 lb)B · 1st percentile (3,814 lb)
A · 9RX 640B · DK50Median Four-Wheel Drive Tractor