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Cruisers

2018Harley-Davidson Softail Fat Bob Dark Custom

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The 2018 Harley-Davidson Softail Fat Bob Dark Custom appeals to riders seeking aggressive styling with approachable ergonomics and manageable weight. Known for its blacked-out aesthetic, low-slung stance, and responsive handling, this middleweight cruiser balances classic Harley character with modern technology including ABS braking and comprehensive electronic instrumentation. Ideal for riders prioritizing style and streetable performance over raw power.

Capacity
Not on record
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Engine
V-Twin, four-stroke
Gearbox
6-speed
Dry weight
305.0 kg
Seat height
590 mm
Power
80.0 HP (58.4 kW) @ 5020 RPM
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How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 45Agility 40Comfort 60Off-road 5Touring 45Road manners 65
Off-road & trail5%
Cornering40%
City riding55%
Daily riding60%
Touring45%
Two-up40%
Track10%
Best for
Built primarily for stylish street cruising and boulevard presence rather than outright speed, distance touring, or off-road use.
Built for
A muscular, blacked-out custom cruiser with a punchy low-end torque feel from the big air-cooled V-twin, rewarding relaxed throttle-happy riding over aggressive cornering.
Not ideal for
Not a good fit for riders wanting sharp agile handling, long-distance comfort with a passenger, or any kind of off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 590mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2018 Harley-Davidson Softail Fat Bob Dark Custom, with a cramped knee angle of around 65 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

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Range and running costs

Worked out in your browser - nothing is sent to us

Based on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.

Full specifications

Engine
Power
80.0 HP (58.4 kW) @ 5020 RPM
CO2 Emissions
130 CO2 g/km
Torque
135.0 Nm (13.8 kgf-m) @ 3750 RPM
Engine type
V-Twin, four-stroke
Fuel consumption
5.60 litres/100 km (17.9 km/l)
Power/weight ratio
0.2623 HP/kg (dry)
Bore x stroke
98.4 x 111.1 mm
Compression
9.6:1
Cooling system
Air
Fuel system
Injection
Starting
Electric
Capacity:
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Belt
Clutch
Multi-plate with diaphragm spring in oil bath
Dimensions & weight
Wheelbase
1690 mm
Overall length
2400 mm
Seat height
590 mm
Dry weight
305.0 kg
Wet weight
320.0 kg
Fuel capacity
18.90 litres
Ground clearance
120 mm
Oil capacity
2.80 litres
Chassis & suspension
Front suspension
Telescopic fork
Rear suspension
Twin shocks
Rake (fork angle)
28.0°
Trail
132 mm
Brakes & wheels
Front brakes
Double disc. ABS. 4-piston.
Rear brakes
Single disc. ABS. 2-piston.
ABS
Yes
Front tyre
130/90-B16
Rear tyre
180/70-B16
Other
Color options
Vivid Black, Black Denim, Red Iron Denim, Crushed Ice Denim, Laguna Orange

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

Rider Reviews

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MotorcycleDB

The 2018 Harley-Davidson Softail Fat Bob Dark Custom motorcycle is a powerful and stylish ride that offers a thrilling experience on the open road. With its distinctive dark custom design, this bike stands out from the crowd and exudes a sense of edgy appeal. The combination of its muscular build and performance-oriented features make it a top choice for riders looking for a bold and dynamic motorcycle.

One of the standout features of the 2018 Harley-Davidson Softail Fat Bob Dark Custom motorcycle is its powerful Milwaukee-Eight engine, which delivers strong acceleration and impressive torque. The bike's aggressive styling, with its wide, solid wheels and dual disc front brakes, adds to its overall appeal and makes it a formidable presence on the road. For riders seeking a thrilling and distinctive ride, the 2018 Softail Fat Bob Dark Custom motorcycle is a top contender.

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Common questions

What engine power does the Harley-Davidson Softail Fat Bob Dark Custom have?

The 2018 Harley-Davidson Softail Fat Bob Dark Custom has a Power of 80.0 HP (58.4 kW) @ 5020 RPM.

How many gears does the Harley-Davidson Softail Fat Bob Dark Custom have?

The 2018 Harley-Davidson Softail Fat Bob Dark Custom has a Gearbox of 6-speed.

What is the torque of the Harley-Davidson Softail Fat Bob Dark Custom?

The 2018 Harley-Davidson Softail Fat Bob Dark Custom has a Torque of 135.0 Nm (13.8 kgf-m or 99.6 ft.lbs) @ 3750 RPM.

How much does the Harley-Davidson Softail Fat Bob Dark Custom weigh?

The 2018 Harley-Davidson Softail Fat Bob Dark Custom has a Dry weight of 305.0 kg (672.4 pounds).

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