John Deere 7400 VS Allis Chalmers S specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        John Deere 7400
General Infos| Make | John Deere | 
| Model | 7400 | 
| Country | United states | 
| Production | From 1993 Until 1996 | 
| Price | 52,000 USD | 
| Tractor type | - | 
| Fuel | diesel | 
| Service repair manual | John Deere 7400 Manual | 
Dimensions, sizes and tires
| AG front tires | 10.00-16 | 
| AG rear tires | 18.4-38 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 12,666 lbs or 5745 kg | 
| Length | - | 
| Width | - | 
| Height | - | 
| Wheelbase | 112.1 inches [284 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 414 ci or 6.8 L | 
| Cylinders | 6 cylinders | 
| Engine power | - | 
| Engine RPM | 2100 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 54 gal or 204.4 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | John Deere 7400 Parts | 
| Batteries number | - | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | PowrQuad | 
| Trans type | partial power shift | 
| Trans gears | 16 forward and 12 reverse | 
| Clutch system | wet disc | 
| Wheel drive | 4x2 2WD | 
| Final drive | - | 
| Steering | hydrostatic power | 
| Braking system | independent hydraulic wet disc | 
| Cabin type | - | 
| Differentiel lock | - | 
| System | closed center | 
| Valves | 2 or 3 | 
| Pump flow | - | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | 91.22 hp or 68.0 kW | 
| Fuel consumption | 6.0 gal/hour or 22.7 l/hour | 
| Pulling power | 12,958 lbs or 5877 kg | 
| Claimed power | 100 hp or 74.6 kW | 
| Real power | 102.05 hp or 76.1 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 | 5.9 gal/hour or 22.3 l/hour | 
| Hitch system | - | 
| Rear hitch | 2/3N | 
| Rear hitch lift | 6,858 lbs or 3110 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Allis Chalmers S
General Infos| Make | Allis Chalmers | 
| Model | S | 
| Country | United states | 
| Production | From 1937 Until 1942 | 
| Price | - | 
| Tractor type | Agricultural Crawler tractor | 
| Fuel | diesel | 
| Service repair manual | Allis Chalmers S Manual | 
Dimensions, sizes and tires
| AG front tires | tracks | 
| AG rear tires | tracks | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 20,100 lbs or 9117 kg | 
| Length | 146 inches [370 cm] | 
| Width | 97 inches [246 cm] | 
| Height | 74 inches [187 cm] | 
| Wheelbase | - | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 675.1 ci or 11.1 L | 
| Cylinders | 4 cylinders | 
| Engine power | - | 
| Engine RPM | 1050 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | mechancal injection | 
| Fuel tank size | 64 gal or 242.2 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 6 V | 
| Parts And Accessories | Allis Chalmers S Parts | 
| Batteries number | - | 
| Batteries voltage | 6 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | - | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | gear | 
| Trans gears | 5 forward and 1 reverse | 
| Clutch system | dry 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 | 48 hp or 35.8 kW | 
| Drawbar horsepower | 68.9 hp or 51.4 kW | 
| Fuel consumption | - | 
| Pulling power | 11,367 lbs or 5156 kg | 
| Claimed power | - | 
| Real power | 84.3 hp or 62.9 kW | 
| Engine @RPM | - | 
| PTO Clutch | - | 
| Rear PTO | - | 
| Rear PTO RPM | - | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | 8.2 gal/hour or 31.0 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 7400 service repair manual
 - Find All mechanical and electrical parts and accessories of John Deere 7400 farm-tractor here
 
- Get your Allis Chalmers S manual book version
 - Cabine, electrical And mechanical parts for Allis Chalmers S farm-tractor here