Compare Models: 2026 Harley-Davidson Fat Boy® vs 2026 Harley-Davidson Fat Boy® at Workman Harley-Davidson

Manufacturer

Harley-Davidson

Model Year

2026

Model

Fat Boy®

Model Code

FLFB

Color

Brilliant Red

Brakes

4-piston fixed front and 2-piston floating rear

Front and rear silver, Split 7-spoke floating rotors

Rider safety enhancements - Anti-lock Brake System (ABS), Traction Control System (TCS), Cornering Enhanced Anti-lock Brake System (C-ABS), Cornering Enhanced Traction Control System (C-TCS)

4-piston fixed front and 2-piston floating rear

Front and rear silver, Split 7-spoke floating rotors

Rider safety enhancements - Anti-lock Brake System (ABS), Traction Control System (TCS), Cornering Enhanced Anti-lock Brake System (C-ABS), Cornering Enhanced Traction Control System (C-TCS)

Wheels

Front / Rear type - Machined, Lakester cast aluminum³

Tires

Type - Michelin® Scorcher 11, front and rear

Front - 160 / 60R18, 70V, BW

Rear - 240 / 40R18, 79V, BW

Tire Pressure Monitoring System (TPMS)

Type - Michelin® Scorcher 11, front and rear

Front - 160 / 60R18, 70V, BW

Rear - 240 / 40R18, 79V, BW

Tire Pressure Monitoring System (TPMS)

Length

93.1 in.

Width

40 in.

Weight

In Running Order - 694 lb. (315 kg)

Ground Clearance

Static - 4.9 in.

Right / Left Lean Angle - 25.6°

Static - 4.9 in.

Right / Left Lean Angle - 25.6°

Wheelbase

65 in.

Seat Height

Laden - 25.9 in. (658 mm)⁸

Primary Drive

Chain, 34/46 ratio

Instrumentation

Gauges - 5 in. analog speedometer with digital gear, odometer, fuel level, ride modes, heated gear, traction control, ABS, TPMS, cruise control, clock, trip, range and tachometer indication

Lighting

(As per country regulation)²

Headlamp - All LED, low and high beam and signature position

Tail / Stop - Bullet-style, LED stop / tail / turn signals

Front Signal Lights / Rear Turn Signals - LED Bullet Turn Signals

(As per country regulation)²

Headlamp - All LED, low and high beam and signature position

Tail / Stop - Bullet-style, LED stop / tail / turn signals

Front Signal Lights / Rear Turn Signals - LED Bullet Turn Signals

Engine

Milwaukee-Eight® 117 Custom⁷

Horsepower

103 hp (77 kW) @ 4,800 rpm

Displacement

117 ci (1,923 cc)

Bore x Stroke

4.075 x 4.5 in. (103.5 x 114.3 mm)

Torque

126 ft. lb. (171 Nm)⁵ @ 3,000 rpm

Testing method - J1349

Rider safety enhancements - Drag-torque Slip Control System (DSCS), Cornering Drag-Torque Slip Control System (C-DSCS)

126 ft. lb. (171 Nm)⁵ @ 3,000 rpm

Testing method - J1349

Rider safety enhancements - Drag-torque Slip Control System (DSCS), Cornering Drag-Torque Slip Control System (C-DSCS)

Compression Ratio

10.3:1

Gear Ratio

Overall

1st - 9.311

2nd - 6.454

3rd - 4.793

4th - 3.882

5th - 3.307

6th - 2.79

Overall

1st - 9.311

2nd - 6.454

3rd - 4.793

4th - 3.882

5th - 3.307

6th - 2.79

Fuel System

Electronic Sequential Port Fuel Injection (ESPFI)⁶

Exhaust

2-into-2 staggered; catalyst in muffler

Lubrication

System - Pressurized, dry-sump with oil cooler

Fuel Capacity

5 gal.

Oil Capacity

With filter - 5 qt.

MPG Rating

Fuel Economy Testing Method - Estimated City/Hwy

Fuel Economy - 47 mpg⁴

Fuel Economy Testing Method - Estimated City/Hwy

Fuel Economy - 47 mpg⁴

Front Suspension

Front Travel - 5.1 in. (130 mm)

Rear Suspension

Shocks - Hidden, free piston, coil-over monoshock; 43 mm stroke; hydraulic preload adjustment

Rake

30

Trail

4.1 in.

Fork

Front - Dual-bending valve 49 mm telescopic with aluminum fork triple clamps; dual rate spring; "beer can" covers

Additional Colors

Dark Billiard Gray

Vivid Black

White Onyx Pearl

Brilliant Red

Olive Steel Metallic / Vivid Black

Dark Billiard Gray

Vivid Black

White Onyx Pearl

Brilliant Red

Olive Steel Metallic / Vivid Black

Compare Models

2026 Harley-Davidson Fat Boy®

2026 Harley-Davidson Fat Boy®

General Information

Brakes/Wheels/Tires

Dimensions

Drivetrain

Electrical

Engine

Operational

Other

Key Features

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Key Features

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