New Holland Workmaster 37 VS Allis Chalmers HD21 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        New Holland Workmaster 37
General Infos| Make | New Holland | 
| Model | Workmaster 37 | 
| Country | United states | 
| Production | From 2015 Until 2016 | 
| Price | - | 
| Tractor type | Compact Utility tractor | 
| Fuel | diesel | 
| Service repair manual | New Holland Workmaster 37 Manual | 
Dimensions, sizes and tires
| AG front tires | 7x14 | 
| AG rear tires | 11.2x24 | 
| Lawn front tires | 25x8.50-14 | 
| Lawn rear tires | 25x8.50-14 | 
| Indus front tires | 25x8.5-14 | 
| Indus rear tires | 43x16.00-20 | 
| Weight | 3067 lbs or 1391 kg | 
| Length | 121 inches [307 cm] | 
| Width | 66.5 inches [168 cm] | 
| Height | 87.7 inches [222 cm] | 
| Wheelbase | 67.5 inches [171 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 91.3 ci or 1.5 L | 
| Cylinders | 3 cylinders | 
| Engine power | 36.2 hp or 27.0 kW | 
| Engine RPM | 2600 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | electronic indirect injection | 
| Fuel tank size | 7.4 gal or 28.0 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | electric | 
| Starter volts | 12 V | 
| Parts And Accessories | New Holland Workmaster 37 Parts | 
| Batteries number | 1 | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | - | 
| Charging Amps | 85 amps | 
| Trans system | - | 
| Trans type | hydrostatic | 
| Trans gears | infinite (3-range) forward and reverse | 
| Clutch system | - | 
| Wheel drive | 4x4 MFWD 4WD | 
| Final drive | inboard planetary | 
| Steering | power | 
| Braking system | wet disc | 
| Cabin type | Two-post folding ROPS | 
| Differentiel lock | - | 
| System | open center | 
| Valves | 1 or 2 | 
| Pump flow | 8.2 gpm or 31.0 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | - | 
| Fuel consumption | - | 
| Pulling power | - | 
| Claimed power | 28.1 hp or 21.0 kW | 
| Real power | - | 
| Engine @RPM | - | 
| PTO Clutch | - | 
| Rear PTO | independent | 
| Rear PTO RPM | 540 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | - | 
| Hitch system | position control | 
| Rear hitch | I | 
| Rear hitch lift | 1808 lbs or 820 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 | - | 
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Useful links and guides ....
- New Holland provided us with the latest version of its Workmaster 37 service repair manual
 - Find All mechanical and electrical parts and accessories of New Holland Workmaster 37 farm-tractor here
 
- Get your Allis Chalmers HD21 manual book version
 - Cabine, electrical And mechanical parts for Allis Chalmers HD21 farm-tractor here