John Deere 6615 VS Caterpillar D9 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        John Deere 6615
General Infos| Make | John Deere | 
| Model | 6615 | 
| Country | United states | 
| Production | From 2005 Until 2010 | 
| Price | - | 
| Tractor type | Utility tractor | 
| Fuel | diesel | 
| Service repair manual | John Deere 6615 Manual | 
Dimensions, sizes and tires
| AG front tires | 14.9-26 | 
| AG rear tires | 23.1-30 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 15,430 lbs or 6999 kg | 
| Length | 193.7 inches [491 cm] | 
| Width | - | 
| Height | 107.8 inches [273 cm] | 
| Wheelbase | 104.3 inches [264 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | 71.3 inches | 
| Front tread size | 63.6 to 84.8 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 414.4 ci or 6.8 L | 
| Cylinders | 6 cylinders | 
| Engine power | 120.3 hp or 89.7 kW | 
| Engine RPM | 2300 (rpm) | 
| Torque | 334 lb-ft or 452.9 Nm | Torque RPM | 1400 (rpm) | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 45.4 gal or 171.8 L | 
| Oil capacity | 20.1 qts or 19.0 L | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | John Deere 6615 Parts | 
| Batteries number | - | 
| Batteries voltage | 12 V | 
| Battries Amps | 150 amps | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | - | 
| Charging Amps | 90 amps | 
| Trans system | John Deere PowrQuad | 
| Trans type | partial power shift | 
| Trans gears | 16 forward and reverse | 
| Clutch system | hydraulic wet disc PermaClutch II | 
| Wheel drive | 4x4 MFWD 4WD | 
| Final drive | - | 
| Steering | hydrostatic power | 
| Braking system | hydraulic wet disc | 
| Cabin type | Cab optional | 
| Differentiel lock | electro-hydraulic | 
| System | closed center | 
| Valves | 2 to 3 | 
| Pump flow | 17.44 gpm or 66.0 lpm | 
| SVC flow | 15.85 gpm or 60.0 lpm | 
| Steering flow | - | 
| Tank capacity | 16.4 gal or 62.1 L | 
| Hydraulic pressure | 2900 psi or 200.0 bar | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | - | 
| Fuel consumption | - | 
| Pulling power | - | 
| Claimed power | 103 hp or 76.8 kW | 
| Real power | - | 
| Engine @RPM | - | 
| PTO Clutch | electro-hydraulic | 
| Rear PTO | independent | 
| Rear PTO RPM | 540 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | - | 
| Hitch system | electronic lower link | 
| Rear hitch | II | 
| Rear hitch lift | 5,445 lbs or 2469 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Caterpillar D9
General Infos| Make | Caterpillar | 
| Model | D9 | 
| Country | United states | 
| Production | From 1955 Until 1959 | 
| Price | - | 
| Tractor type | Agricultural Crawler tractor | 
| Fuel | diesel | 
| Service repair manual | Caterpillar D9 Manual | 
Dimensions, sizes and tires
| AG front tires | 90-inch tracks | 
| AG rear tires | 90-inch tracks | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 66025 lbs or 29948 kg | 
| Length | 215 inches [546 cm] | 
| Width | 120 inches [304 cm] | 
| Height | 105 inches [266 cm] | 
| Wheelbase | - | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | 90 inches | 
| Front tread size | 90 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 1473 ci or 24.1 L | 
| Cylinders | 2 cylinders gas pony engine | 
| Engine power | 286 hp or 213.3 kW | 
| Engine RPM | 1240 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | - | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | 2-cylinder gas pony engine | 
| Starter volts | 6 V | 
| Parts And Accessories | Caterpillar D9 Parts | 
| Batteries number | - | 
| Batteries voltage | 6 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | - | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | torque converter | 
| Trans gears | 3 forward and 2 reverse | 
| Clutch system | wet disc | 
| Wheel drive | crawler | 
| Final drive | - | 
| Steering | - | 
| Braking system | - | 
| Cabin type | Open operator station | 
| Differentiel lock | - | 
| System | - | 
| Valves | - | 
| Pump flow | - | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | 230 hp or 171.5 kW | 
| Drawbar horsepower | 252.2 hp or 188.1 kW | 
| Fuel consumption | - | 
| Pulling power | 56724 lbs or 25730 kg | 
| Claimed power | - | 
| Real power | - | 
| Engine @RPM | - | 
| PTO Clutch | - | 
| Rear PTO | - | 
| Rear PTO RPM | - | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | - | 
| Hitch system | - | 
| Rear hitch | - | 
| Rear hitch lift | - | 
| Front hitch | - | 
| Front hitch lift | - | 
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Useful links and guides ....
- John Deere provided us with the latest version of its 6615 service repair manual
 - Find All mechanical and electrical parts and accessories of John Deere 6615 farm-tractor here
 
- Get your Caterpillar D9 manual book version
 - Cabine, electrical And mechanical parts for Caterpillar D9 farm-tractor here