Harley-Davidson Softail Fat Bob Dark Custom Specs (Top Speed | Horsepower | Weight)

The Harley-Davidson Softail Fat Bob Dark Custom motorcycle specifications include a 1,690 cc (103.12 cu in) engine, a 6-speed gearbox, and a listed weight of 320 kg (705.5 lb).

Key specifications

2018Year released
1,690 ccDisplacement
135.0 Nm @ 3,750 rpmTorque
320 kgWet weight
590 mmSeat height
18.9 LFuel tank
1,690 mmWheelbase
120 mmGround clearance

How the Harley-Davidson Softail Fat Bob Dark Custom compares

This compares the motorcycle with all Harley-Davidson models in this specifications database. The blue marker is this model and the grey line is the Harley-Davidson database average.

Displacement1,690 cc
Low 165 ccAverage 1,275 ccHigh 1,868 cc

About 33% higher than the Harley-Davidson database average. Around the 88th percentile across Harley-Davidson models.

Wet weight320 kg
Low 183 kgAverage 312.9 kgHigh 507 kg

Very close to the Harley-Davidson database average. Around the 59th percentile across Harley-Davidson models.

Seat height590 mm
Low 622 mmAverage 689 mmHigh 780 mm

About 14% lower than the Harley-Davidson database average. Around the 1st percentile across Harley-Davidson models.

Fuel capacity18.9 L
Low 7.9 LAverage 17 LHigh 22.7 L

About 11% larger than the Harley-Davidson database average. Around the 58th percentile across Harley-Davidson models.

This model Harley-Davidson database average

Harley-Davidson database percentile rankings

Percentiles show where this motorcycle sits across the Harley-Davidson specifications database. They are descriptive database rankings, not performance ratings.

Displacement88th

1,690 cc — larger displacement than about 88% of Harley-Davidson models.

Wet weight59th

320 kg — heavier than about 59% of Harley-Davidson models, or lighter than about 41%.

Seat height1st

590 mm — taller than about 1% of Harley-Davidson models.

Fuel capacity58th

18.9 L — larger than about 58% of Harley-Davidson fuel tanks in this database.

Dimensions compared with Harley-Davidson average

Each measurement is compared with the average value across Harley-Davidson models where that dimension is available.

Overall length2,400 mm
This bike

2,400

Harley-Davidson avg

2,376

Close to average.

Wheelbase1,690 mm
This bike

1,690

Harley-Davidson avg

1,599

6% above average.

Seat height590 mm
This bike

590

Harley-Davidson avg

689

14% below average.

Ground clearance120 mm
This bike

120

Harley-Davidson avg

128

6% below average.

Mechanical overview

Engine layout snapshot

V2, four-stroke • 1,690 cc • Air cooled
Chassis snapshot

Wheelbase 1,690 mmSeat 590 mmClearance 120 mm
6-speed • Belt (final drive) • 130/90-B16 front / 180/70-B16 rear

Additional useful specifications

Front tire size 130/90-B16
Rear tire size 180/70-B16
Engine oil capacity 2.80 L (2.96 US qt)
Estimated theoretical fuel range 338 km
Bore/stroke ratio 0.89:1 (Undersquare)

Model information

Year released 2018

Engine specifications

Engine type V2, four-stroke
Displacement 1,690 cc (103.12 cu in)
Torque 135.0 Nm (13.8 kgf-m or 99.6 ft.lbs) @ 3,750 rpm
Bore × stroke 98.4 x 111.1 mm (3.9 x 4.4 inches)
Compression ratio 9.6:1
Cooling system Air
Fuel system Injection. Electronic Sequential Port Fuel Injection
Fuel control Double Overhead Cams/Twin Cam (DOHC)
Starter Electric
Oil capacity 2.80 L (2.96 US qt)

Transmission and drivetrain

Gearbox 6-speed
Final drive Belt (final drive)
Clutch Multi-plate with diaphragm spring in oil bath

Chassis and suspension

Front suspension Telescopic fork
Rear suspension Twin shocks
Rake 28.0°
Trail 132 mm (5.2 inches)

Brakes, wheels and tires

Front brakes Double disc. ABS. 4-piston.
Rear brakes Single disc. ABS. 2-piston.
Front tire 130/90-B16
Rear tire 180/70-B16
Wheels Gloss Black Cast Aluminum Wheel w/ Laser Etched Graphics

Dimensions and weight

Wet weight 320 kg (705.5 lb)
Dry weight 305 kg (672.4 lb)
Seat height 590 mm (23.2 inches)
Overall length 2,400 mm (94.5 inches)
Wheelbase 1,690 mm (66.5 inches)
Ground clearance 120 mm (4.7 inches)

Fuel and emissions

Fuel capacity 18.90 L (4.99 US gal)
Fuel consumption 5.60 L/100 km (17.9 km/l or 42.00 mpg)
Greenhouse gases 129.9 CO 2 g/km. (CO2 – Carbon dioxide emission)

Performance

Power/weight ratio 0.2623 hp/kg

Electrical and instruments

Instruments Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, rpm/gear display, fuel gauge with low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed indicator light
Lights High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings

Other specifications

Color options Vivid Black, Black Denim, Red Iron Denim, Crushed Ice Denim, Laguna Orange
Exhaust system Chrome, “Tommy Gun” 2-1-2 collector exhaust with dual mufflers
Price as new US$ 16049. Euro 17295. MSRP depends on country, taxes, accessories, etc.

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Harley-Davidson models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Harley-Davidson information before relying on them. Visit the official Harley-Davidson website.