Allis Chalmers HD11 VS John Deere 2850 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Allis Chalmers HD11
General Infos| Make | Allis Chalmers | 
| Model | HD11 | 
| Country | United states | 
| Production | From 1955 Until 1965 | 
| Price | - | 
| Tractor type | Agricultural Crawler tractor | 
| Fuel | diesel | 
| Service repair manual | Allis Chalmers HD11 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 | 22200 lbs or 10069 kg | 
| Length | 154 inches [391 cm] | 
| Width | - | 
| Height | 84 inches [213 cm] | 
| Wheelbase | - | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 516 ci or 8.5 L | 
| Cylinders | 6 cylinders | 
| Engine power | 130 hp or 96.9 kW | 
| Engine RPM | 1800 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 60 gal or 227.1 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 24 V | 
| Parts And Accessories | Allis Chalmers HD11 Parts | 
| Batteries number | 2 | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | - | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | sliding gear | 
| Trans gears | 6 forward and 3 reverse | 
| Clutch system | - | 
| Wheel drive | crawler | 
| Final drive | - | 
| Steering | - | 
| Braking system | contracting band | 
| Cabin type | Open operator sttion | 
| Differentiel lock | - | 
| System | - | 
| Valves | - | 
| Pump flow | - | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | 58 hp or 43.3 kW | 
| Drawbar horsepower | 73.8 hp or 55.0 kW | 
| Fuel consumption | - | 
| Pulling power | 20468 lbs or 9284 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 | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        John Deere 2850
General Infos| Make | John Deere | 
| Model | 2850 | 
| Country | United states | 
| Production | From 1986 Until 1994 | 
| Price | - | 
| Tractor type | Utility tractor | 
| Fuel | diesel | 
| Service repair manual | John Deere 2850 Manual | 
Dimensions, sizes and tires
| AG front tires | 10.00-16 | 
| AG rear tires | 14.9R38 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 7694 lbs or 3489 kg | 
| Length | 167.1 inches [424 cm] | 
| Width | 81.4 inches [206 cm] | 
| Height | 100.3 inches [254 cm] (low-profile) | 
| Wheelbase | 90 inches [228 cm] | 
| Ground clearance | - | 
| Turning radius | 27.6 feet [8.4 m] | 
| Rear tread size | 59.1 to 78.7 inches | 
| Front tread size | 53.5 to 79.1 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 239 ci or 3.9 L | 
| Cylinders | 4 cylinders | 
| Engine power | 86 hp or 64.1 kW | 
| Engine RPM | 2300 (rpm) | 
| Torque | 232.3 lb-ft or 315.0 Nm | Torque RPM | 1500 (rpm) | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 22.2 gal or 84.0 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | John Deere 2850 Parts | 
| Batteries number | 2 | 
| Batteries voltage | 12 V | 
| Battries Amps | 55 amps | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | 55 amps | 
| Trans system | Hi-Lo | 
| Trans type | two-speed power shift | 
| Trans gears | 16 forward and 8 reverse | 
| Clutch system | hydraulic cerametallic disc | 
| Wheel drive | 4x2 2WD | 
| Final drive | planetary | 
| Steering | power | 
| Braking system | hydraulic wet disc | 
| Cabin type | ROPS | 
| Differentiel lock | - | 
| System | closed-center constant presure | 
| Valves | - | 
| Pump flow | - | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | 2756 psi or 190.0 bar | 
| Max flow | 11.6 gpm or 43.9 lpm | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | - | 
| Fuel consumption | - | 
| Pulling power | - | 
| Claimed power | - | 
| Real power | - | 
| Engine @RPM | 1000@2172 (rpm) | 
| PTO Clutch | hydraulic wet disc | 
| Rear PTO | independent | 
| Rear PTO RPM | 540 (rpm) | 
| Front PTO | independent | 
| Front PTO RPM | 1000 (rpm) | 
| Mid PTO | - | 
| Mid PTO RPM | - | 
| Fuel consumption | - | 
| Hitch system | positon and draft control | 
| Rear hitch | II | 
| Rear hitch lift | 8003 lbs or 3630 kg | 
| Front hitch | II | 
| Front hitch lift | 3594 lbs or 1630 kg | 
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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its HD11 service repair manual
 - Find All mechanical and electrical parts and accessories of Allis Chalmers HD11 farm-tractor here
 
- Get your John Deere 2850 manual book version
 - Cabine, electrical And mechanical parts for John Deere 2850 farm-tractor here