John Deere 8400 VS Long 510 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        John Deere 8400
General Infos| Make | John Deere | 
| Model | 8400 | 
| Country | United states | 
| Production | From 1995 Until 1999 | 
| Price | - | 
| Tractor type | Row Crop tractor | 
| Fuel | diesel | 
| Service repair manual | John Deere 8400 Manual | 
Dimensions, sizes and tires
| AG front tires | 14.9R34 | 
| AG rear tires | 18.4R46 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 18709 lbs or 8486 kg | 
| Length | 206.5 inches [524 cm] | 
| Width | - | 
| Height | 120.2 inches [305 cm] | 
| Wheelbase | 116.1 inches [294 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | 60 to 88 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 496 ci or 8.1 L | 
| Cylinders | 6 cylinders 12 valves | 
| Engine power | - | 
| Engine RPM | 2200 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 135 gal or 511.0 L | 
| Oil capacity | 29.6 qts or 28.0 L | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | John Deere 8400 Parts | 
| Batteries number | 2 | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | 925 | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | - | 
| Charging Amps | 140 amps | 
| Trans system | John Deere PowerShift | 
| Trans type | full power shift | 
| Trans gears | 16 forward and 4 reverse | 
| Clutch system | hydraulic wet disc | 
| Wheel drive | 4x4 MFWD 4WD | 
| Final drive | inboard planetary | 
| Steering | hydrostatic power | 
| Braking system | differential hydraulic wet disc | 
| Cabin type | CommandView Cab standard | 
| Differentiel lock | electro-hydraulic | 
| System | closed center pressure-flow compensated | 
| Valves | 3 to 5 | 
| Pump flow | - | 
| SVC flow | 30 gpm or 113.6 lpm | 
| Steering flow | - | 
| Tank capacity | 37 gal or 140.0 L | 
| Hydraulic pressure | 2900 psi or 200.0 bar | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | 202.28 hp or 150.8 kW | 
| Fuel consumption | 12.5 gal/hour or 47.3 l/hour | 
| Pulling power | 29,240 lbs or 13263 kg | 
| Claimed power | 225 hp or 167.8 kW | 
| Real power | 228.29 hp or 170.2 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 | 12.6 gal/hour or 47.7 l/hour | 
| Hitch system | electro-hydraulic draft sensing | 
| Rear hitch | 3/3N | 
| Rear hitch lift | 11,700 lbs or 5307 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Long 510
General Infos| Make | Long | 
| Model | 510 | 
| Country | United states | 
| Production | From 1979 Until 1990 | 
| Price | - | 
| Tractor type | Utility tractor | 
| Fuel | diesel | 
| Service repair manual | Long 510 Manual | 
Dimensions, sizes and tires
| AG front tires | 7.5016 (2WD) | 
| AG rear tires | 14.9-28 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 4,285 lbs or 1943 kg | 
| Length | - | 
| Width | - | 
| Height | - | 
| Wheelbase | 75.2 inches [191 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | 52.3 to 76.3 inches | 
| Front tread size | 50.4 to 77.5 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 164.5 ci or 2.7 L | 
| Cylinders | 3 cylinders | 
| Engine power | - | 
| Engine RPM | 2400 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | - | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | Long 510 Parts | 
| Batteries number | - | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | - | 
| Trans gears | 8 forward and reverse | 
| Clutch system | dry disc | 
| Wheel drive | 4x2 2WD | 
| Final drive | - | 
| Steering | hydrostatic power | 
| Braking system | mechanical contracting band | 
| Cabin type | Two-post ROPS | 
| Differentiel lock | - | 
| System | - | 
| Valves | - | 
| Pump flow | - | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | 42 hp or 31.3 kW | 
| Drawbar horsepower | 40.01 hp or 29.8 kW | 
| Fuel consumption | 3.1 gal/hour or 11.7 l/hour | 
| Pulling power | 5635 lbs or 2556 kg | 
| Claimed power | 48.5 hp or 36.2 kW | 
| Real power | 46.41 hp or 34.6 kW | 
| Engine @RPM | 540@2160 (rpm) | 
| PTO Clutch | - | 
| Rear PTO | - | 
| Rear PTO RPM | 540 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | 2.8 gal/hour or 10.6 l/hour | 
| 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 8400 service repair manual
 - Find All mechanical and electrical parts and accessories of John Deere 8400 farm-tractor here
 
- Get your Long 510 manual book version
 - Cabine, electrical And mechanical parts for Long 510 farm-tractor here