2018 Harley-Davidson 115th Anniversary Tri Glide® Ultra


How much motorcycle can you fit on three wheels? One look at the Tri Glide® Ultra motorcycle and you'll have your answer.

Styling + Features

  • MILWAUKEE-EIGHT® V-TWIN ENGINE: A powerful, smooth-running engine with crisp throttle response and a pure, soul-satisfying rumble.
  • PREMIUM BOOM!™ BOX 6.5 INFOTAINMENT SYSTEM: A stylish 6.5 inch full-color touch screen display with hands free mobile phone, media, and navigation. Delivers powerful, pure sound and dynamic full-range audio.
  • 6-SPEED CRUISE DRIVE® TRANSMISSION: Provides smooth, quiet shifting and reduces engine speed on the highway, so you get a better match between engine turnover and road speed.
  • TRUNK AND KING TOUR-PAK™ STORAGE: The integrated trunk offers 4.4 cubic feet and 50 pounds of storage capacity, while the waterproof injection-molded Tour-Pak™ luggage carrier keeps things classy and neat with soft woven-nylon luggage liner and plenty of storage pockets.
  • DAYMAKER™ LED HEADLAMP AND LED FOGLAMPS: Darkness-defying headlights to see ad be seen.
  • BATWING FARING & SPLITSTREAM AIR VENT: Designed to deliver smoother airflow and reduced head buffeting with a pressure-equalizing duct on the front. It opens and closes with one touch of a button.

General Information

Manufacturer Harley-Davidson
Model Year 2018
Model 115th Anniversary Tri Glide® Ultra
Color 115th Anniversary Legend Blue / Vivid Black


Capacity Luggage Capacity Volume - 6.8 cu. ft.
Lights High Beam, running lights, front fender running lights, directional lights, battery, neutral, low oil pressure, engine diagnostics, cruise control, speakers, accessory, security system, gear indication, low fuel warning, reverse, park brake, miles to empty display, fog/aux lamp indicator


Wheels Front and Rear - Black, 7-spoke Cast Aluminum

Front - MT90B16 72H

Rear - P205/65R15 92T


Front - 6 piston fixed with 4-31.75 mm front pistons

Rear - 2-25.4 mm linked rear pistons and 31.75 mm single piston floating


Length 105.1 in.

As Shipped - 1,204 lb.

In Running Order - 1,243 lb.

Ground Clearance 4.9 in.
Wheelbase 65.7 in.
Seat Height

Laden - 27.1

Unladen - 28.9

Engine & Drivetrain

Engine Twin-Cooled™ Milwaukee-Eight® 107
Displacement 1,753 cc (107 cu. in.)
Bore x Stroke 3.937 x 4.375 in.
Compression Ratio 10.0:1
Fuel System Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Capacity 6 gal.
Drive Train Primary - Chain, 34 / 46 ratio
Exhaust Chrome, 2-1-2 dual exhaust with tapered mufflers