Harley-Davidson Softail Fat Boy S 2017 vs. Harley-Davidson Dyna Fat Bob FXDF 2012

Technical Specifications Harley-Davidson Softail Fat Boy S 2017 compared to Harley-Davidson Dyna Fat Bob FXDF 2012

Harley-Davidson Softail Fat Boy S 2017

Harley-Davidson Dyna Fat Bob FXDF 2012

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Differences

Harley-Davidson Softail Fat Boy S 2017

Harley-Davidson Dyna Fat Bob FXDF 2012

Engine and Drive Train

Bore	Bore	101.6 mm	Bore	95.3 mm
Stroke	Stroke	111.1 mm	Stroke	111.1 mm
Engine power	Engine power	92 HP	Engine power	78 HP
Rpm at Max. Power	Rpm at Max. Power	5,010 rpm	Rpm at Max. Power	3,500 rpm
Torque	Torque	146 Nm	Torque	126 Nm
Compression Ratio	Compression Ratio	9.2	Compression Ratio	9.2
Transmission	Transmission	Belt	Transmission	Belt
Cooling	Cooling	Air	Cooling	Air
Displacement	Displacement	1,801 ccm	Displacement	1,584 ccm

Brakes Front

Piston	Piston	Four pistons	Piston	Four pistons
Shock mount	Shock mount	Fixed caliper	Shock mount	Fixed caliper

Brakes Rear

Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper

Dimensions and Weights

Front tyre width	Front tyre width	140 mm	Front tyre width	130 mm
Front tyre height	Front tyre height	75 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	16 inch
Rear tyre width	Rear tyre width	200 mm	Rear tyre width	180 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	16 inch
Length	Length	2,385 mm	Length	2,330 mm
Wheelbase	Wheelbase	1,630 mm	Wheelbase	1,620 mm
Seat Height	Seat Height	670 mm	Seat Height	690 mm
Fuel Tank Capacity	Fuel Tank Capacity	18.9 l	Fuel Tank Capacity	18.9 l
License compliancy	License compliancy	A	License compliancy	A