John Deere 9510R VS John Deere 8640 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        John Deere 9510R
General Infos| Make | John Deere | 
| Model | 9510R | 
| Country | United states | 
| Production | From 2012 Until 2014 | 
| Price | - | 
| Tractor type | Four wheel Drive (4WD) tractor | 
| Fuel | diesel | 
| Service repair manual | John Deere 9510R Manual | 
Dimensions, sizes and tires
| AG front tires | 710/70R42 | 
| AG rear tires | 710/70R42 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 41540 lbs or 18842 kg | 
| Length | 295 inches [749 cm] | 
| Width | 120 inches [304 cm] | 
| Height | 145 inches [368 cm] | 
| Wheelbase | 137.8 inches [350 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 826.7 ci or 13.5 L | 
| Cylinders | 6 cylinders 24 valves | 
| Engine power | 561 hp or 418.3 kW | 
| Engine RPM | 2100 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | electronic unit injectors | 
| Fuel tank size | 350 gal or 1324.8 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | John Deere 9510R Parts | 
| Batteries number | 3 | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | 925 | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | 12 V | 
| Charging Amps | 200 amps | 
| Trans system | John Deere PowerShift | 
| Trans type | full power shift | 
| Trans gears | 18 forward and 6 reverse | 
| Clutch system | hydraulic wet disc | 
| Wheel drive | 4x4 articulated 4WD | 
| Final drive | inboard planetary with double-reduction axle | 
| Steering | hydraulic power | 
| Braking system | hydraulic wet disc | 
| Cabin type | CommandView II cab standard with air-conditioning | 
| Differentiel lock | fully-locking electro-hydraulic | 
| System | closed center pressure flow compensated | 
| Valves | 4 to 6 | 
| Pump flow | 48 gpm or 181.7 lpm | 
| SVC flow | 37 gpm or 140.0 lpm | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | 2900 psi or 200.0 bar | 
| Max flow | - | 
| Drawbar type | Category 5 standard | 
| Claimed power | - | 
| Drawbar horsepower | 410.97 hp or 306.5 kW | 
| Fuel consumption | 26.9 gal/hour or 101.8 l/hour | 
| Pulling power | 44915 lbs or 20373 kg | 
| Claimed power | 319 hp or 237.9 kW | 
| Real power | 360.20 hp or 268.6 kW | 
| Engine @RPM | - | 
| PTO Clutch | - | 
| Rear PTO | independent | 
| Rear PTO RPM | 1000 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | 21.5 gal/hour or 81.4 l/hour | 
| Hitch system | electronic draft sensing | 
| Rear hitch | 4N/4 | 
| Rear hitch lift | 15,300 lbs or 6940 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        John Deere 8640
General Infos| Make | John Deere | 
| Model | 8640 | 
| Country | United states | 
| Production | From 1979 Until 1982 | 
| Price | - | 
| Tractor type | Four wheel Drive (4WD) tractor | 
| Fuel | diesel | 
| Service repair manual | John Deere 8640 Manual | 
Dimensions, sizes and tires
| AG front tires | 18.4-34 | 
| AG rear tires | 18.4-34 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 28,270 lbs or 12823 kg | 
| Length | 223.5 inches [567 cm] | 
| Width | - | 
| Height | 126.6 inches [321 cm] | 
| Wheelbase | 125 inches [317 cm] | 
| Ground clearance | 18.4 inches [46 cm] | 
| Turning radius | - | 
| Rear tread size | 63 to 130 inches | 
| Front tread size | 63 to 130 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 619 ci or 10.1 L | 
| Cylinders | 6 cylinders | 
| Engine power | 275 hp or 205.1 kW | 
| Engine RPM | 2100 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 214 gal or 810.0 L | 
| Oil capacity | 26 qts or 24.6 L | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | John Deere 8640 Parts | 
| Batteries number | 2 | 
| Batteries voltage | 6 V | 
| Battries Amps | - | 
| Cold Amps | 975 | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | - | 
| Charging Amps | 90 amps | 
| Trans system | John Deere Quad-Range | 
| Trans type | partial power shift | 
| Trans gears | 16 forward and 6 reverse | 
| Clutch system | hydraulic wet disc | 
| Wheel drive | 4x4 articulated 4WD | 
| Final drive | - | 
| Steering | articulated power | 
| Braking system | hydraulic wet disc | 
| Cabin type | Cab standard | 
| Differentiel lock | hydraulic front and rear | 
| System | closed center | 
| Valves | 2 | 
| Pump flow | 33 gpm or 124.9 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | 41 gal or 155.2 L | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | 203.34 hp or 151.6 kW | 
| Fuel consumption | 14.5 gal/hour or 54.9 l/hour | 
| Pulling power | 27,782 lbs or 12601 kg | 
| Claimed power | 225 hp or 167.8 kW | 
| Real power | 228.75 hp or 170.6 kW | 
| Engine @RPM | 1000@2100 (rpm) | 
| PTO Clutch | - | 
| Rear PTO | independent | 
| Rear PTO RPM | 1000 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | 14.7 gal/hour or 55.6 l/hour | 
| Hitch system | - | 
| Rear hitch | III/IIIN | 
| Rear hitch lift | 8545 lbs or 3876 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
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Useful links and guides ....
- John Deere provided us with the latest version of its 9510R service repair manual
 - Find All mechanical and electrical parts and accessories of John Deere 9510R farm-tractor here
 
- Get your John Deere 8640 manual book version
 - Cabine, electrical And mechanical parts for John Deere 8640 farm-tractor here