Cruisers

2009Harley-Davidson FXDF Dyna Fat Bob

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The 2009 Harley-Davidson FXDF Dyna Fat Bob is a muscular custom cruiser built for riders seeking aggressive styling and authentic V-twin character. Its 1584cc fuel-injected engine delivers strong low-end torque ideal for cruising and customization. Known for its fat front tire, minimalist design, and nimble handling, it appeals to riders prioritizing style and rideability.

Capacity: 1584.0 ccm
Engine: V-Twin, four-stroke
Gearbox: 6-speed
Dry weight: 305.0 kg
Seat height: 663 mm
Power: 75.0 HP (55.2 kW)

⇄ Compare with another bike ＋ Add to garage All model years ⚠ Recalls listed (2)

What’s new for the 2009 Harley-Davidson FXDF Dyna Fat Bob

vs the 2008

Spec	2008	2009
Torque	123.4 Nm (12.6 kgf-m or 91.0 ft.lbs)	127.0 Nm (13.0 kgf-m or 93.7 ft.lbs)
Wet weight	318.9 kg (703.1 pounds)	not listed
Seat height	688 mm (27.1 inches)	663 mm (26.1 inches)
Front suspension	—	49mm with polished aluminium fork triple clamp
Rear suspension	—	Fully Covered, Coil-over shock
Front brakes	Single disc. 4-piston calipers	Double disc. 4-piston
Rear brakes	Single disc. 2-piston torque-free calipers	Single disc. Single piston

Other years 2008 2009 2010 2011 2012

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering45%

City riding55%

Daily riding60%

Touring45%

Two-up55%

Track15%

Best for: Built for style-driven boulevard cruising and short blasts rather than outright speed or long-distance touring.
Built for: A muscular, fat-tired custom cruiser that trades cornering agility for big V-twin torque and unmistakable Dyna attitude.
Not ideal for: Not a good fit for riders seeking sharp cornering performance, off-road capability, or dedicated long-haul touring comfort.

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

Your height

Inseam (optional)

Units

At 663mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2009 Harley-Davidson FXDF Dyna Fat Bob, with a cramped knee angle of around 70 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.

More bikes at 750 mm or under — Short Kings →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 1584.0 ccm
Power: 75.0 HP (55.2 kW)
Torque: 127.0 Nm (13.0 kgf-m)
Engine type: V-Twin, four-stroke
Power/weight ratio: 0.2459 HP/kg (dry)
Bore x stroke: 95.3 x 111.1 mm
Compression: 9.2:1
Cooling system: Air
Fuel system: Injection
Starting: Electric

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Belt
Clutch: 9-plate, wet

Dimensions & weight

Wheelbase: 1620 mm
Overall length: 2330 mm
Seat height: 663 mm
Dry weight: 305.0 kg
Fuel capacity: 19.30 litres
Ground clearance: 125 mm

Chassis & suspension

Frame: Mild steel, tubular frame; rectangular section backbone;
Front suspension: 49mm with polished aluminium fork triple clamp
Rear suspension: Fully Covered, Coil-over shock
Front wheel travel: 127 mm
Rear wheel travel: 79 mm
Rake (fork angle): 29.0°

Brakes & wheels

Front brakes: Double disc. 4-piston
Front brakes diameter: 300 mm
Rear brakes: Single disc. Single piston
Rear brakes diameter: 292 mm
Rear tyre: 427/180-70

Other

Color options: Vivid Black, Black Pearl, Black Denim, Pewter Denim, Red Hot Sunglo
Modifications compared to previous model: New silver-face speedometer with range countdown; New rear shocks for improved handling.

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

What changed, year to year

Differences highlighted

Specification	2008	2009	2010	2011	2012
Capacity	1573 cc	1584 cc	1584 cc	1584 cc	1688 cc
Dry weight	304 kg	305 kg	305 kg	305 kg	305 kg
Seat height	688 mm	663 mm	663 mm	663 mm	663 mm
Fuel capacity	19.3 L	19.3 L	19.3 L	19.3 L	18.9 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Safety Recalls

⚠ 2 recalls may apply

STRUCTURE:MOTORCYCLE:KICKSTAND/CENTER STANDDec 2008 · 08V659000

HARLEY-DAVIDSON IS RECALLING 3,285 MY 2009 FXD, FXDF, FXDC, FXDL, AND FXDB MOTORCYCLES. THE JIFFY STAND SPRING ANCHOR MAY HAVE BEEN BUILT WITH A DEFECTIVE WELD THAT MAY ALLOW THE JIFFY STAND ASSEMBLY TO NOT RETRACT AS INTENDED.

Risk: THIS CONDITION COULD LEAD TO A CRASH WHICH COULD CAUSE INJURY OR DEATH TO THE RIDER.

Remedy: DEALERS WILL REMOVE THE ORIGINAL JIFFY STAND SPRING ANCHOR AND REPLACE IT WITH A NEW SPRING ANCHOR FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN ON OR ABOUT DECEMBER 22, 2008. OWNERS MAY CONTACT HARLEY-DAVIDSON AT 1-414-342-4680.

FUEL SYSTEM, GASOLINE:STORAGENov 2008 · 08V625000

HARLEY-DAVIDSON IS RECALLING 349 MY 2009 FXDB, FXDC, FXDF, AND FXDL MOTORCYCLES. THESE MOTORCYCLES HAVE A FUEL TANK VENT TUBE ASSEMBLY, PART NO. 27389-04A, WHICH MAY HAVE BEEN PRODUCED WITH A DEFECTIVE ULTRASONIC WELD ON THE ANTI-SLOSH VALVE.

Risk: IF THE VALVE SEPARATES AND THE BIKE IS TIPPED OVER, IT MAY LEAK FUEL. FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE.

Remedy: DEALERS WILL INSPECT THE FUEL VENT TUBE ASSEMBLY AND, IF NECESSARY, REPLACE IT. THE RECALL IS EXPECTED TO BEGIN ON OR ABOUT DECEMBER 8, 2008. OWNERS MAY CONTACT HARLEY-DAVIDSON AT 1-414-343-4056.

These recalls cover some 2009 bikes of this model. Whether one applies to a specific bike, and whether the repair has already been done, depends on its VIN — check your VIN with NHTSA or ask a dealer.

Source: NHTSA. View all Harley-Davidson recalls →