Challenger 75 VS Allis Chalmers WD specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Challenger 75
General Infos| Make | Challenger | 
| Model | 75 | 
| Country | United states | 
| Production | From 1991 Until 1992 | 
| Price | - | 
| Tractor type | Agricultural Crawler tractor | 
| Fuel | diesel | 
| Service repair manual | Challenger 75 Manual | 
Dimensions, sizes and tires
| AG front tires | 25-in track | 
| AG rear tires | 25-in track | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 34,370 lbs or 15590 kg | 
| Length | - | 
| Width | - | 
| Height | - | 
| Wheelbase | 106 inches [269 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 629 ci or 10.3 L | 
| Cylinders | 6 cylinders | 
| Engine power | 325 hp or 242.4 kW | 
| Engine RPM | 2100 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 220 gal or 832.7 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | Challenger 75 Parts | 
| Batteries number | - | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | - | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | full power shift | 
| Trans gears | 10 forward and 2 reverse | 
| Clutch system | - | 
| Wheel drive | crawler | 
| Final drive | - | 
| Steering | hydrostatic differential steering | 
| Braking system | hydraulic caliper disc | 
| Cabin type | Cab standard | 
| Differentiel lock | - | 
| System | closed | 
| Valves | 4 | 
| Pump flow | 26 gpm or 98.4 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | 260 hp or 193.9 kW | 
| Drawbar horsepower | 251.01 hp or 187.2 kW | 
| Fuel consumption | 15.7 gal/hour or 59.4 l/hour | 
| Pulling power | 34,309 lbs or 15562 kg | 
| Claimed power | 281 hp or 209.5 kW | 
| Real power | 285.55 hp or 212.9 kW | 
| Engine @RPM | - | 
| PTO Clutch | - | 
| Rear PTO | - | 
| Rear PTO RPM | 1000 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | 15.7 gal/hour or 59.4 l/hour | 
| Hitch system | - | 
| Rear hitch | III,IV | 
| Rear hitch lift | - | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Allis Chalmers WD
General Infos| Make | Allis Chalmers | 
| Model | WD | 
| Country | United states | 
| Production | From 1948 Until 1953 | 
| Price | 1,830 USD | 
| Tractor type | Row Crop tractor | 
| Fuel | fuel | 
| Service repair manual | Allis Chalmers WD Manual | 
Dimensions, sizes and tires
| AG front tires | 5.50-16 | 
| AG rear tires | 11-28 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 3500 lbs or 1587 kg | 
| Length | 127 inches [322 cm] | 
| Width | - | 
| Height | 81.5 inches [207 cm] | 
| Wheelbase | 88 inches [223 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 201 ci or 3.3 L | 
| Cylinders | 4 cylinders 8 valves | 
| Engine power | - | 
| Engine RPM | 1400 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | fuel | 
| Fuel injection | - | 
| Fuel tank size | 15 gal or 56.8 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | electric | 
| Starter volts | 6 V | 
| Parts And Accessories | Allis Chalmers WD Parts | 
| Batteries number | 1 | 
| Batteries voltage | 6 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | positive | 
| Charging system | Delco generator | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | non-synchronized gear | 
| Trans gears | 4 forward and 1 reverse | 
| Clutch system | - | 
| Wheel drive | 4x2 2WD | 
| Final drive | - | 
| Steering | manual worm and horizontal sector | 
| Braking system | manual external compression band type | 
| Cabin type | Open operator station | 
| Differentiel lock | - | 
| System | open center | 
| Valves | 1 | 
| Pump flow | - | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | 1.25 gal or 4.7 L | 
| Hydraulic pressure | 1200 psi or 82.7 bar | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | 19 hp or 14.2 kW | 
| Drawbar horsepower | 30.23 hp or 22.5 kW | 
| Fuel consumption | - | 
| Pulling power | 4,304 lbs or 1952 kg | 
| Claimed power | 26 hp or 19.4 kW | 
| Real power | - | 
| Engine @RPM | - | 
| PTO Clutch | - | 
| Rear PTO | transmission | 
| Rear PTO RPM | 540 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | - | 
| Hitch system | - | 
| Rear hitch | Single Hitch Point | 
| Rear hitch lift | - | 
| Front hitch | - | 
| Front hitch lift | - | 
Related tractor comparison
                        
                    
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Useful links and guides ....
- Challenger provided us with the latest version of its 75 service repair manual
 - Find All mechanical and electrical parts and accessories of Challenger 75 farm-tractor here
 
- Get your Allis Chalmers WD manual book version
 - Cabine, electrical And mechanical parts for Allis Chalmers WD farm-tractor here