John Deere 820 VS New Holland 7840 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        John Deere 820
General Infos| Make | John Deere | 
| Model | 820 | 
| Country | United states | 
| Production | From 1968 Until 1973 | 
| Price | 4,000 USD | 
| Tractor type | Utility tractor | 
| Fuel | diesel | 
| Service repair manual | John Deere 820 Manual | 
Dimensions, sizes and tires
| AG front tires | 6.00-16 | 
| AG rear tires | 13.6-28 | 
| Lawn front tires | 27/9.5-15 | 
| Lawn rear tires | 27/9.5-15 | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 4000 lbs or 1814 kg | 
| Length | 135 inches [342 cm] | 
| Width | 59.06 inches [150 cm] (min) | 
| Height | 78.74 inches [199 cm] | 
| Wheelbase | 74.4 inches [188 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 151.9 ci or 2.5 L | 
| Cylinders | 3 cylinders | 
| Engine power | 32 hp or 23.9 kW | 
| Engine RPM | 2100 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 16.5 gal or 62.5 L | 
| Oil capacity | 6.5 qts or 6.2 L | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | John Deere 820 Parts | 
| Batteries number | 2 | 
| Batteries voltage | 12 V | 
| Battries Amps | 55 amps | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | collar shift | 
| Trans gears | 8 forward and 4 reverse | 
| Clutch system | - | 
| Wheel drive | 4x2 2WD | 
| Final drive | - | 
| Steering | - | 
| Braking system | - | 
| Cabin type | Open operator station | 
| Differentiel lock | mechanical rear | 
| System | open center | 
| Valves | - | 
| Pump flow | - | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | 10 gal or 37.9 L | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | - | 
| Fuel consumption | - | 
| Pulling power | - | 
| Claimed power | 31 hp or 23.1 kW | 
| Real power | - | 
| Engine @RPM | - | 
| PTO Clutch | - | 
| Rear PTO | live | 
| Rear PTO RPM | 540 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | - | 
| Hitch system | - | 
| Rear hitch | I | 
| Rear hitch lift | - | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        New Holland 7840
General Infos| Make | New Holland | 
| Model | 7840 | 
| Country | United states | 
| Production | From 1996 Until 1998 | 
| Price | 35,650 USD | 
| Tractor type | Row Crop tractor | 
| Fuel | diesel | 
| Service repair manual | New Holland 7840 Manual | 
Dimensions, sizes and tires
| AG front tires | 10.00-16 | 
| AG rear tires | 18.4-34 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 8,076 lbs or 3663 kg | 
| Length | 176 inches [447 cm] | 
| Width | 83 inches [210 cm] | 
| Height | 110 inches [279 cm] | 
| Wheelbase | 103 inches [261 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 401 ci or 6.6 L | 
| Cylinders | 6 cylinders 12 valves | 
| Engine power | - | 
| Engine RPM | 2100 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 57.5 gal or 217.6 L | 
| Oil capacity | 22.1 qts or 20.9 L | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | New Holland 7840 Parts | 
| Batteries number | 1 | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | 800 | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | - | 
| Charging Amps | 55 amps | 
| Trans system | ElectroShift/Pulse Command | 
| Trans type | four-speed power shift | 
| Trans gears | 16 forward and reverse | 
| Clutch system | wet disc | 
| Wheel drive | 4x2 2WD | 
| Final drive | inboard planetary | 
| Steering | hydrostatic power | 
| Braking system | mechanical (S) | 
| Cabin type | Two-post foldable ROPS with flat-deck platform | 
| Differentiel lock | electro-hydraulic (SLE) | 
| System | open center | 
| Valves | 1 to 4 | 
| Pump flow | 17.4 gpm or 65.9 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | 75.2 hp or 56.1 kW | 
| Fuel consumption | 5.9 gal/hour or 22.3 l/hour | 
| Pulling power | - | 
| Claimed power | 90 hp or 67.1 kW | 
| Real power | 90.4 hp or 67.4 kW | 
| Engine @RPM | - | 
| PTO Clutch | - | 
| Rear PTO | independent | 
| Rear PTO RPM | 540 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | 5.3 gal/hour or 20.1 l/hour | 
| Hitch system | Position control and top-link draft sensing | 
| Rear hitch | II | 
| Rear hitch lift | 6,210 lbs or 2816 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
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Useful links and guides ....
- John Deere provided us with the latest version of its 820 service repair manual
 - Find All mechanical and electrical parts and accessories of John Deere 820 farm-tractor here
 
- Get your New Holland 7840 manual book version
 - Cabine, electrical And mechanical parts for New Holland 7840 farm-tractor here