CaseIH 743 XL VS Allis Chalmers HD21 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        CaseIH 743 XL
General Infos| Make | CaseIH | 
| Model | 743 XL | 
| Country | United states | 
| Production | From 1985 Until 1989 | 
| Price | - | 
| Tractor type | Utility tractor | 
| Fuel | diesel | 
| Service repair manual | CaseIH 743 XL Manual | 
Dimensions, sizes and tires
| AG front tires | 7.50-16 | 
| AG rear tires | 16.9R3 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 7628 lbs or 3460 kg | 
| Length | 156.3 inches [397 cm] | 
| Width | 80.7 inches [204 cm] | 
| Height | 104.3 inches [264 cm] | 
| Wheelbase | 92.5 inches [234 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | 58 to 77.7 inches | 
| Front tread size | 52.9 to 73.1 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 239 ci or 3.9 L | 
| Cylinders | 4 cylinders | 
| Engine power | 67 hp or 50.0 kW | 
| Engine RPM | 2300 (rpm) | 
| Torque | 173.3 lb-ft or 235.0 Nm | Torque RPM | 1600 (rpm) | 
| Fuel type | diesel | 
| Fuel injection | direct injection | 
| Fuel tank size | - | 
| Oil capacity | 9.5 qts or 9.0 L | 
| Oil change | 200 h | 
| Starter motor | electric | 
| Starter volts | 12 V | 
| Parts And Accessories | CaseIH 743 XL Parts | 
| Batteries number | - | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | - | 
| Charging Amps | 55 amps | 
| Trans system | IH-Total-synchron | 
| Trans type | - | 
| Trans gears | 8 forward and 4 reverse | 
| Clutch system | - | 
| Wheel drive | 4x2 2WD | 
| Final drive | - | 
| Steering | hydrostatic power | 
| Braking system | wet disc | 
| Cabin type | Cab standard with heat | 
| Differentiel lock | - | 
| System | - | 
| Valves | up to 3 | 
| Pump flow | 8.7 gpm or 32.9 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | 2538 psi or 175.0 bar | 
| 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 | 540 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | - | 
| Hitch system | lower link draft sensing | 
| Rear hitch | II | 
| Rear hitch lift | 6947 lbs or 3151 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Allis Chalmers HD21
General Infos| Make | Allis Chalmers | 
| Model | HD21 | 
| Country | United states | 
| Production | From 1954 Until 1965 | 
| Price | - | 
| Tractor type | Agricultural Crawler tractor | 
| Fuel | diesel | 
| Service repair manual | Allis Chalmers HD21 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 | 45500 lbs or 20638 kg | 
| Length | 198 inches [502 cm] | 
| Width | - | 
| Height | 99 inches [251 cm] | 
| Wheelbase | - | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 844 ci or 13.8 L | 
| Cylinders | 6 cylinders | 
| Engine power | 225 hp or 167.8 kW | 
| Engine RPM | 1800 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 135 gal or 511.0 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 24 V | 
| Parts And Accessories | Allis Chalmers HD21 Parts | 
| Batteries number | 2 | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | - | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | torque converter | 
| Trans gears | 2 forward and 1 reverse | 
| Clutch system | - | 
| Wheel drive | crawler | 
| Final drive | - | 
| Steering | - | 
| Braking system | contracting band | 
| 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 | 135.12 hp or 100.8 kW | 
| Fuel consumption | - | 
| Pulling power | 40563 lbs or 18399 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 | - | 
| Rear hitch lift | - | 
| Front hitch | - | 
| Front hitch lift | - | 
Related tractor comparison
                        
                    
                    CaseIH 743 XL Farmall Super M
                        
                    
                    Allis Chalmers HD21 International Harvester B-250
                        
                    
                    Allis Chalmers HD21 ATC Terratrac 400
                        
                    
                    CaseIH 743 XL John Deere 50
                        
                    
                    Allis Chalmers HD21 John Deere 60
                        
                    
                    CaseIH 743 XL ATC Terratrac 500
Choose another tractor
Useful links and guides ....
- CaseIH provided us with the latest version of its 743 XL service repair manual
 - Find All mechanical and electrical parts and accessories of CaseIH 743 XL farm-tractor here
 
- Get your Allis Chalmers HD21 manual book version
 - Cabine, electrical And mechanical parts for Allis Chalmers HD21 farm-tractor here