Fiat 615 VS Oliver 660 specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Fiat 615
General Infos| Make | Fiat | 
| Model | 615 | 
| Country | Italy | 
| Production | From 1965 Until 1968 | 
| Price | - | 
| Tractor type | - | 
| Fuel | diesel | 
| Service repair manual | Fiat 615 Manual | 
Dimensions, sizes and tires
| AG front tires | 6.50-20 | 
| AG rear tires | 13.6-36 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 5997 lbs or 2720 kg | 
| Length | 137.8 inches [350 cm] | 
| Width | 77 inches [195 cm] | 
| Height | 58.3 inches [148 cm] | 
| Wheelbase | 85.4 inches [216 cm] | 
| Ground clearance | 18.25 inches [46 cm] | 
| Turning radius | - | 
| Rear tread size | 58.25 to 77.125 inches | 
| Front tread size | 56.5 to 82.875 inches | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 268.30 ci or 4.4 L | 
| Cylinders | 4 cylinders | 
| Engine power | 66 hp or 49.2 kW | 
| Engine RPM | 1900 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | direct injection | 
| Fuel tank size | 21.1 gal or 79.9 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | - | 
| Parts And Accessories | Fiat 615 Parts | 
| Batteries number | - | 
| Batteries voltage | - | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | - | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | - | 
| Trans gears | 7 forward and 2 reverse | 
| Clutch system | - | 
| Wheel drive | 4x2 2WD | 
| Final drive | - | 
| Steering | - | 
| Braking system | disc | 
| Cabin type | - | 
| Differentiel lock | - | 
| System | - | 
| Valves | - | 
| Pump flow | 7.0 gpm or 26.5 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | - | 
| Fuel consumption | - | 
| Pulling power | - | 
| Claimed power | 54 hp or 40.3 kW | 
| Real power | - | 
| Engine @RPM | 540@1520 (rpm) | 
| PTO Clutch | - | 
| Rear PTO | - | 
| 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 | 4410 lbs or 2000 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Oliver 660
General Infos| Make | Oliver | 
| Model | 660 | 
| Country | United states | 
| Production | From 1959 Until 1964 | 
| Price | 3,450 USD | 
| Tractor type | Row Crop tractor | 
| Fuel | gasoline | 
| Service repair manual | Oliver 660 Manual | 
Dimensions, sizes and tires
| AG front tires | 6.00-16 | 
| AG rear tires | 12.4-38 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 4,050 lbs or 1837 kg | 
| Length | - | 
| Width | - | 
| Height | - | 
| Wheelbase | 92 inches [233 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 155 ci or 2.5 L | 
| Cylinders | 4 cylinders | 
| Engine power | - | 
| Engine RPM | - | 
| Torque | - | Torque RPM | - | 
| Fuel type | gasoline | 
| Fuel injection | - | 
| Fuel tank size | 13 gal or 49.2 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | - | 
| Parts And Accessories | Oliver 660 Parts | 
| Batteries number | - | 
| Batteries voltage | - | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | - | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | - | 
| Trans type | unsynchronized gear | 
| Trans gears | 6 forward and 2 reverse | 
| Clutch system | - | 
| Wheel drive | 4x2 2WD | 
| Final drive | - | 
| Steering | - | 
| Braking system | - | 
| Cabin type | Open operator station | 
| Differentiel lock | - | 
| System | - | 
| Valves | - | 
| Pump flow | 8 gpm or 30.3 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | 9.5 gal or 36.0 L | 
| Hydraulic pressure | - | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | 27.48 hp or 20.5 kW | 
| Fuel consumption | - | 
| Pulling power | 4,393 lbs or 1992 kg | 
| Claimed power | 41 hp or 30.6 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 | - | 
| 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 615 service repair manual
 - Find All mechanical and electrical parts and accessories of Fiat 615 farm-tractor here
 
- Get your Oliver 660 manual book version
 - Cabine, electrical And mechanical parts for Oliver 660 farm-tractor here