2018 Harley-Davidson Softail Fat Bob Dark Custom Specs

motorcycle specs

These are the known mechanical and performance specifications for your 2018 Harley-Davidson Softail Fat Bob Dark Custom.

Basic Specs

ModelHarley-Davidson Softail Fat Bob Dark Custom
CostUS$ 16049. Euro 17295. Prices depend on country, taxes, accessories, etc.


Displacement1690.00 ccm (103.12 cubic inches)
TypeTwin Cam 103™
DetailsV2, four-stroke
Bore/Stroke98.4 x 111.1 mm (3.9 x 4.4 inches)
FuelingInjection. Electronic Sequential Port Fuel Injection
ExhaustChrome, “Tommy Gun” 2-1-2 collector exhaust with dual mufflers


Final DriveBelt
ClutchMulti-plate with diaphragm spring in oil bath
DrivelinePrimary chain, 34/46 ratio


Horespower80.00 HP (58.4 kW)
Torque135.00 Nm (13.8 kgf-m or 99.6 ft.lbs)
Top Speed

Fuel Economy & Polution

Fuel Consumption5.60 litres/100 km (17.9 km/l or 42.00 mpg)
Fuel Capacity18.90 litres (4.99 gallons)
Emissions129.9 CO2 g/km. (CO2 - Carbon dioxide emission)


Frame Type
Trail132 mm (5.2 inches)
Front SuspensionTelescopic fork
Front Travel
Rear SuspensionTwin shocks
Rear Travel
Seat Height590 mm (23.2 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length2,400 mm (94.5 inches)
Total Width
Ground Clearance120 mm (4.7 inches)
Wheelbase1,690 mm (66.5 inches)
Dry Weight305.0 kg (672.4 pounds)
Wet Weight320.0 kg (705.5 pounds)

Wheels & Brakes

Front Tire/Tyre130/90-B16
Rear Tire/Tyre180/70-B16
Front BrakesDouble disc. ABS. 4-piston.
Front Brake Diameter
Rear BrakesSingle disc. ABS. 2-piston.
Rear Brake Diameter
WheelsGloss Black Cast Aluminum Wheel w/ Laser Etched Graphics


It appears you're interested in specifications for the Harley-Davidson Softail Fat Bob Dark Custom. This Custom / cruiser model is powered by a Twin Cam 103™ V2, four-stroke engine with 1690.00 ccm (103.12 cubic inches) of actual displacement before 9.6:1 compression. Fueling is metered via Injection. Electronic Sequential Port Fuel Injection allowing this machine to produce its 80.00 HP (58.4 kW) horsepower and 135.00 Nm (13.8 kgf-m or 99.6 ft.lbs) torque. According to our records engine heat of the Harley-Davidson Softail Fat Bob Dark Custom is moderated by Air. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 130/90-B16 and the rear is 180/70-B16 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. ABS. 4-piston. front brakes and Single disc. ABS. 2-piston. rear brakes. The Harley-Davidson Softail Fat Bob Dark Custom was launched in 2018, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.