John Deere 6403 VS Steiger Cougar III ST-251 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        John Deere 6403
General Infos| Make | John Deere | 
| Model | 6403 | 
| Country | United states | 
| Production | From 2002 Until 2008 | 
| Price | - | 
| Tractor type | - | 
| Fuel | diesel | 
| Service repair manual | John Deere 6403 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 | 7,916 lbs or 3590 kg | 
| Length | - | 
| Width | - | 
| Height | - | 
| Wheelbase | 90.09 inches [228 cm] (4WD) | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 276 ci or 4.5 L | 
| Cylinders | 4 cylinders | 
| Engine power | 98 hp or 73.1 kW | 
| Engine RPM | 2100 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 40 gal or 151.4 L | 
| Oil capacity | 13 qts or 12.3 L | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | John Deere 6403 Parts | 
| Batteries number | - | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | - | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | top shaft syncro | 
| Trans type | - | 
| Trans gears | 9 forward and 3 reverse | 
| Clutch system | - | 
| Wheel drive | 4x2 2WD | 
| Final drive | - | 
| Steering | hydrostatic power | 
| Braking system | differential wet disc | 
| Cabin type | - | 
| Differentiel lock | - | 
| System | open | 
| Valves | 3 | 
| Pump flow | 12 gpm or 45.4 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | 72.87 hp or 54.3 kW | 
| Fuel consumption | - | 
| Pulling power | - | 
| Claimed power | 85 hp or 63.4 kW | 
| Real power | 88.09 hp or 65.7 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 | 5.2 gal/hour or 19.7 l/hour | 
| Hitch system | - | 
| Rear hitch | II | 
| Rear hitch lift | 4828 lbs or 2189 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Steiger Cougar III ST-251
General Infos| Make | Steiger | 
| Model | Cougar III ST-251 | 
| Country | United states | 
| Production | From 1976 Until 1982 | 
| Price | 75,000 USD | 
| Tractor type | Four wheel Drive (4WD) tractor | 
| Fuel | diesel | 
| Service repair manual | Steiger Cougar III ST-251 Manual | 
Dimensions, sizes and tires
| AG front tires | 23.1-34 | 
| AG rear tires | 23.1-34 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 26,610 lbs or 12070 kg | 
| Length | 252 inches [640 cm] | 
| Width | 96 inches [243 cm] (tractor body) | 
| Height | - | 
| Wheelbase | 128 inches [325 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 855 ci or 14.0 L | 
| Cylinders | 6 cylinders | 
| Engine power | 250 hp or 186.4 kW | 
| Engine RPM | 2100 (rpm) | 
| Torque | 850 lb-ft or 1152.6 Nm | Torque RPM | 1400 (rpm) | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 267 gal or 1010.6 L | 
| Oil capacity | 44 qts or 41.6 L | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | Steiger Cougar III ST-251 Parts | 
| Batteries number | 2 | 
| Batteries voltage | 12 V | 
| Battries Amps | 208 amps | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | - | 
| Charging Amps | 90 amps | 
| Trans system | Spicer SST 1010 | 
| Trans type | - | 
| Trans gears | 20 forward and 4 reverse | 
| Clutch system | 394mm dry disc | 
| Wheel drive | 4x4 articulated 4WD | 
| Final drive | outboard planetary | 
| Steering | hydrostatic power | 
| Braking system | hydraulic disc | 
| Cabin type | Safari Cab standard with heat and air-conditioning | 
| Differentiel lock | - | 
| System | open center | 
| Valves | 4 | 
| Pump flow | 30.8 gpm or 116.6 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | 33 gal or 124.9 L | 
| Hydraulic pressure | 2250 psi or 155.1 bar | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | 206 hp or 153.6 kW | 
| Drawbar horsepower | 199.04 hp or 148.4 kW | 
| Fuel consumption | 13.5 gal/hour or 51.1 l/hour | 
| Pulling power | 26,880 lbs or 12192 kg | 
| 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 | 3 | 
| Rear hitch lift | - | 
| Front hitch | - | 
| Front hitch lift | - | 
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Choose another tractor
Useful links and guides ....
- John Deere provided us with the latest version of its 6403 service repair manual
 - Find All mechanical and electrical parts and accessories of John Deere 6403 farm-tractor here
 
- Get your Steiger Cougar III ST-251 manual book version
 - Cabine, electrical And mechanical parts for Steiger Cougar III ST-251 farm-tractor here