| MODEL | HARLEY-DAVIDSON TRI GLIDE ULTRA 2017 - 2018 |
| Year | 2017 - 2018 |
| Engine Type | Four-stroke, V-twin, Twin-Cooled Milwaukee-Eight 107, pushrod-operated OHV with hydraulic self-adjusting lifters, 4 valves per cylinder |
| Displacement / Capacity | 1746 cc / 107 cu in |
| Bore X Stroke | 100 x 111.1 mm / 3.937 x 4.374 in |
| Compression Ratio | 10.0:1 |
| Cooling System | Twin-Cooled: air/oil cooled with liquid-cooled cylinder heads |
| Max Power | — |
| Max Torque | 154 Nm / 113.6 lb-ft @ 3250 rpm |
| Ignition | Single-fire, non-wasted, map-controlled spark ignition |
| Induction | Electronic Sequential Port Fuel Injection (ESPFI) |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Pressurized, dry-sump with oil cooler |
| Gear Box | 6-speed Cruise Drive |
| Clutch | Multi-plate, wet |
| Final Drive | Belt (chain primary, 34/46) |
| CHASSIS SPECS | |
| Frame | Mild steel, square-section backbone with twin downtubes (trike-specific); mild steel rectangular-section swingarm |
| Front Suspension | 49 mm telescopic fork with steering damper, 117 mm / 4.6 in travel |
| Rear Suspension | Twin air-adjustable shocks, 76 mm / 2.9 in travel |
| Front Brakes | 2 x 300 mm discs, 4-piston calipers, linked, ABS |
| Rear Brakes | 2 x 229 mm discs, 1-piston floating calipers, foot-operated dual parking brake |
| DIMENSION SPECS | |
| Overall Length | 2670 mm / 105.1 in |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 688 mm / 27.1 in (laden), 719 mm / 28.3 in (unladen) |
| Wheelbase | 1670 mm / 65.7 in |
| Ground Clearance | 115 mm / 4.5 in |
| Dry Weight | 542 kg / 1195 lbs (as shipped) |
| Wet Weight | 558 kg / 1230 lbs (running order) |
| WHEEL SPECS | |
| Front Tyre | MT90B16 72H |
| Rear Tyre | 2 x P205/65R15 |
| FUEL SYSTEM | |
| Fuel Capacity | 22.7 Litres / 6.0 US gal |
| Fuel Consumption | 5.6 L/100 km / 42 mpg (US) |
| Top Speed | — |
For 2017 the Tri Glide Ultra received the new Twin-Cooled Milwaukee-Eight 107 engine, with four valves per cylinder, more torque and less heat felt by rider and passenger than the Twin Cam it replaced. The trike-specific frame, 49 mm fork, linked brakes with ABS, Boom! Box infotainment, electric reverse and the large rear trunk with Tour-Pak carried over.
