Lanz Bulldog D9531 VS John Deere 840 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Lanz Bulldog D9531
General Infos| Make | Lanz | 
| Model | Bulldog D9531 | 
| Country | Germany | 
| Production | From 1935 Until 1955 | 
| Price | - | 
| Tractor type | Standard tread tractor | 
| Fuel | diesel | 
| Service repair manual | Lanz Bulldog D9531 Manual | 
Dimensions, sizes and tires
| AG front tires | 7.00-20 | 
| AG rear tires | 10.50-24 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 8444 lbs or 3830 kg | 
| Length | 129.9 inches [329 cm] | 
| Width | - | 
| Height | 88.6 inches [225 cm] | 
| Wheelbase | 77.8 inches [197 cm] | 
| Ground clearance | 9.5 inches [24 cm] | 
| Turning radius | - | 
| Rear tread size | 66.5 inches | 
| Front tread size | 53.4 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 628.5 ci or 10.3 L | 
| Cylinders | 1 cylinders | 
| Engine power | 44.1 hp or 32.9 kW | 
| Engine RPM | 630 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 23.8 gal or 90.1 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | - | 
| Parts And Accessories | Lanz Bulldog D9531 Parts | 
| Batteries number | - | 
| Batteries voltage | - | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | - | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | gear | 
| Trans gears | 6 forward and 2 reverse | 
| Clutch system | - | 
| Wheel drive | 4x2 2WD | 
| 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 | - | 
| Drawbar horsepower | - | 
| Fuel consumption | - | 
| Pulling power | - | 
| 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 | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        John Deere 840
General Infos| Make | John Deere | 
| Model | 840 | 
| Country | United states | 
| Production | From 1976 Until 1986 | 
| Price | - | 
| Tractor type | Utility tractor | 
| Fuel | diesel | 
| Service repair manual | John Deere 840 Manual | 
Dimensions, sizes and tires
| AG front tires | 6.50-16 | 
| AG rear tires | 12.4-32 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 5004 lbs or 2269 kg | 
| Length | 138 inches [350 cm] | 
| Width | 65.4 inches [166 cm] | 
| Height | 94.1 inches [239 cm] | 
| Wheelbase | 74.4 inches [188 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | 53.5 to 73.2 inches | 
| Front tread size | 49.6 to 79.5 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 179 ci or 2.9 L | 
| Cylinders | 3 cylinders | 
| Engine power | 37.5 hp or 28.0 kW | 
| Engine RPM | 2400 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | direct injection | 
| Fuel tank size | 20.6 gal or 78.0 L | 
| Oil capacity | 7.4 qts or 7.0 L | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | John Deere 840 Parts | 
| Batteries number | 2 | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | - | 
| Charging Amps | 33 amps | 
| Trans system | - | 
| Trans type | two-speed power shift | 
| Trans gears | 16 forward and 8 reverse | 
| Clutch system | dry disc | 
| Wheel drive | 4x2 2WD | 
| Final drive | planetary | 
| Steering | manual | 
| Braking system | hydraulic wet disc | 
| Cabin type | Four-post ROPS | 
| Differentiel lock | - | 
| System | closed center | 
| Valves | - | 
| Pump flow | 6.1 gpm or 23.1 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | 10.8 gal or 40.9 L | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | - | 
| Fuel consumption | - | 
| Pulling power | - | 
| Claimed power | 33.5 hp or 25.0 kW | 
| Real power | - | 
| Engine @RPM | 1000@2070 (rpm) | 
| PTO Clutch | dry disc | 
| Rear PTO | live | 
| Rear PTO RPM | 540 (rpm) | 
| Front PTO | optional | 
| Front PTO RPM | 1000 (rpm) | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | - | 
| Hitch system | - | 
| Rear hitch | II/I | 
| Rear hitch lift | 4878 lbs or 2212 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
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Choose another tractor
Useful links and guides ....
- Lanz provided us with the latest version of its Bulldog D9531 service repair manual
 - Find All mechanical and electrical parts and accessories of Lanz Bulldog D9531 farm-tractor here
 
- Get your John Deere 840 manual book version
 - Cabine, electrical And mechanical parts for John Deere 840 farm-tractor here