Fiat 680 VS Allis Chalmers HD5 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Fiat 680
General Infos| Make | Fiat | 
| Model | 680 | 
| Country | Italy | 
| Production | From 1978 Until 1984 | 
| Price | 22,000 USD | 
| Tractor type | - | 
| Fuel | diesel | 
| Service repair manual | Fiat 680 Manual | 
Dimensions, sizes and tires
| AG front tires | 7.50-18 | 
| AG rear tires | 13.6/12-38 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 5513 lbs or 2500 kg | 
| Length | 144.1 inches [366 cm] | 
| Width | - | 
| Height | 100.6 inches [255 cm] | 
| Wheelbase | 89.6 inches [227 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | 55.1 to 78.7 inches | 
| Front tread size | 55.1 to 74.8 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 210.9 ci or 3.5 L | 
| Cylinders | 4 cylinders | 
| Engine power | 68 hp or 50.7 kW | 
| Engine RPM | 2500 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 21.1 gal or 79.9 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | Fiat 680 Parts | 
| Batteries number | - | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | - | 
| Charging Amps | 33 amps | 
| Trans system | - | 
| Trans type | creeper | 
| Trans gears | 16 forward and 4 reverse | 
| Clutch system | - | 
| Wheel drive | 4x2 2WD | 
| Final drive | - | 
| Steering | power | 
| Braking system | hydraulic wet disc | 
| Cabin type | Four-post ROPS | 
| Differentiel lock | - | 
| System | - | 
| Valves | - | 
| Pump flow | 8.9 gpm or 33.7 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | - | 
| Fuel consumption | - | 
| Pulling power | - | 
| Claimed power | - | 
| Real power | - | 
| Engine @RPM | 540@2230 (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 | - | 
| Rear hitch | II | 
| Rear hitch lift | 5,292 lbs or 2400 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Allis Chalmers HD5
General Infos| Make | Allis Chalmers | 
| Model | HD5 | 
| Country | United states | 
| Production | From 1946 Until 1955 | 
| Price | - | 
| Tractor type | Agricultural Crawler tractor | 
| Fuel | diesel | 
| Service repair manual | Allis Chalmers HD5 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 | 11250 lbs or 5103 kg | 
| Length | 125 inches [317 cm] | 
| Width | 73 inches [185 cm] | 
| Height | 60 inches [152 cm] | 
| Wheelbase | - | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 142 ci or 2.3 L | 
| Cylinders | 2 cylinders | 
| Engine power | - | 
| Engine RPM | 1800 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 37 gal or 140.0 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | Allis Chalmers HD5 Parts | 
| Batteries number | 2 | 
| Batteries voltage | 6 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | - | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | sliding gear | 
| Trans type | - | 
| Trans gears | 5 forward and 1 reverse | 
| Clutch system | - | 
| Wheel drive | crawler | 
| Final drive | - | 
| Steering | - | 
| Braking system | - | 
| 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 | 30 hp or 22.4 kW | 
| Drawbar horsepower | 38.24 hp or 28.5 kW | 
| Fuel consumption | - | 
| Pulling power | 10029 lbs or 4549 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 ....
- Fiat provided us with the latest version of its 680 service repair manual
 - Find All mechanical and electrical parts and accessories of Fiat 680 farm-tractor here
 
- Get your Allis Chalmers HD5 manual book version
 - Cabine, electrical And mechanical parts for Allis Chalmers HD5 farm-tractor here