Harley-Davidson Dyna Fat Bob Specs (Top Speed | Horsepower | Weight)

The Harley-Davidson Dyna Fat Bob motorcycle specifications include a 1,688 cc (103.00 cu in) engine, a 6-speed gearbox, and a listed weight of 320.2 kg (706 lb).

Key specifications

2013-2017Model years
1,688 ccDisplacement
135.6 Nm @ 3,500 rpmTorque
320.2 kgWet weight
663 mmSeat height
18.9 LFuel tank
1,621 mmWheelbase
124 mmGround clearance
Model years covered
20132014201520162017
Year-specific specification changes

The 2013 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Compression ratio
20179.7:1
Displacement
20171,690 cc (103.12 cu in)
Dry weight
2016306 kg (674.6 lb)
2017307 kg (676.8 lb)
Front brakes
20152017Double disc. 4-piston fixed. Optional ABS
Rear brakes
20162017Single disc. 2-piston torque-free floating. Optional ABS.
Torque
20152016132.0 Nm (13.5 kgf-m or 97.4 ft.lbs) @ 3,250 rpm
2017130.0 Nm (13.3 kgf-m or 95.9 ft.lbs) @ 3,500 rpm
Wet weight
2016321 kg (707.7 lb)
2017320 kg (705.5 lb)
Ground clearance
20162017125 mm (4.9 inches)
Overall length
201620172,400 mm (94.5 inches)
Seat height
2016690 mm (27.2 inches)
2017705 mm (27.8 inches)
Trail
20162017125 mm (4.9 inches)
Wheels
20162017Gloss Black Cast Aluminum Wheel w/ Laser Etched Graphics

How the Harley-Davidson Dyna Fat Bob 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.

Displacement1,688 cc
Low 165 ccAverage 1,275 ccHigh 1,868 cc

About 32% higher than the Harley-Davidson database average. Around the 85th percentile across Harley-Davidson models.

Wet weight320.2 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 height663 mm
Low 622 mmAverage 689 mmHigh 780 mm

Very close to the Harley-Davidson database average. Around the 28th 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 69th percentile across Harley-Davidson models.

This model Harley-Davidson database average

Dimensions compared with Harley-Davidson average

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

Overall length2,329 mm
This bike

2,329

Harley-Davidson avg

2,376

Close to average.

Wheelbase1,621 mm
This bike

1,621

Harley-Davidson avg

1,599

Close to average.

Seat height663 mm
This bike

663

Harley-Davidson avg

689

4% below average.

Ground clearance124 mm
This bike

124

Harley-Davidson avg

128

3% below average.

Mechanical overview

Engine layout snapshot

V2, four-stroke • 1,688 cc • Air cooled
Chassis snapshot

Wheelbase 1,621 mmSeat 663 mmClearance 124 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 0.88:1 (Undersquare)

Model information

Category Custom / cruiser

Engine specifications

Engine type V2, four-stroke
Displacement 1,688 cc (103.00 cu in)
Torque 135.6 Nm (13.8 kgf-m or 100.0 ft.lbs) @ 3,500 rpm
Bore × stroke 98.4 x 111.3 mm (3.9 x 4.4 inches)
Compression ratio 9.6:1
Cooling system Air
Fuel system Injection. Electronic Sequential Port Fuel Injection (ESPFI)
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

Rake 29.0°
Trail 124 mm (4.9 inches)

Brakes, wheels and tires

Front brakes Double disc. 4-piston fixed
Rear brakes Single disc. 2-piston torque-free floating
Front tire 130/90-B16
Rear tire 180/70-B16
Wheels Machined, Aluminum Slotted Disc

Dimensions and weight

Wet weight 320.2 kg (706 lb)
Dry weight 305.3 kg (673 lb)
Seat height 663 mm (26.1 inches)
Overall length 2,329 mm (91.7 inches)
Wheelbase 1,621 mm (63.8 inches)
Ground clearance 124 mm (4.9 inches)

Fuel and emissions

Fuel capacity 18.93 L (5.00 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)

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, directional light bar, neutral, low oil pressure, engine diagnostics, turn signals, security system(optional), 6-speed, low fuel warnings

Other specifications

Color options Midnight Pearl, Candy Orange, Vivid Black, Black Denim.
Exhaust system Chrome, “Tommy Gun” 2-1-2 collector exhaust with dual mufflers
Price as new US$ 15499. Euro 15995. UK £ 12695. MSRP depends on country, taxes, accessories, etc.
Comments North America security system includes immobilizer; outside North America the security system includes immobilizer and siren.

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.