The Harley-Davidson Softail Fat Bob motorcycle specifications include a 1,745 cc (106.48 cu in) engine, a 6-speed gearbox, and a listed weight of 306 kg (674.6 lb).
Key specifications
The 2018 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Harley-Davidson Softail 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.
About 37% higher than the Harley-Davidson database average. Around the 89th percentile across Harley-Davidson models.
Very close to the Harley-Davidson database average. Around the 49th percentile across Harley-Davidson models.
Very close to the Harley-Davidson database average. Around the 76th percentile across Harley-Davidson models.
About 20% smaller than the Harley-Davidson database average. Around the 26th percentile across Harley-Davidson models.
Harley-Davidson database percentile rankings
Percentiles show where this motorcycle sits across the Harley-Davidson specifications database. They are descriptive database rankings, not performance ratings.
1,745 cc — larger displacement than about 89% of Harley-Davidson models.
306 kg — heavier than about 49% of Harley-Davidson models, or lighter than about 51%.
710 mm — taller than about 76% of Harley-Davidson models.
13.6 L — larger than about 26% of Harley-Davidson fuel tanks in this database.
Dimensions compared with Harley-Davidson average
Each measurement is compared with the average value across Harley-Davidson models where that dimension is available.
2,340
2,376
Close to average.
1,690
1,599
6% above average.
710
689
3% above average.
120
128
6% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 150/80-16 |
|---|---|
| Rear tire size | 180/70-B16 |
| Front tire width | 150 mm |
| Front tire aspect ratio | 80% |
| Front rim diameter | 16 in |
| Engine oil capacity | 3.30 L (3.49 US qt) |
| Estimated theoretical fuel range | 247 km |
| Bore/stroke ratio | 0.90:1 (Undersquare) |
Engine specifications
| Engine type | V2, four-stroke |
|---|---|
| Displacement | 1,745 cc (106.48 cu in) |
| Torque | 145.0 Nm (14.8 kgf-m or 107.0 ft.lbs) @ 3,000 rpm |
| Bore × stroke | 100.0 x 111.1 mm (3.9 x 4.4 inches) |
| Compression ratio | 9.6:1 |
| Cooling system | Air |
| Fuel system | Injection. Electronic Sequential Port Fuel Injection |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Starter | Electric |
| Oil capacity | 3.30 L (3.49 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
| Front suspension | Telescopic fork |
|---|---|
| Rear suspension | Twin shocks |
| Rake | 28.0° |
| Trail | 132 mm (5.2 inches) |
Brakes, wheels and tires
| Front brakes | Double disc. ABS. 4-piston. |
|---|---|
| Rear brakes | Single disc. ABS. 2-piston. |
| Front tire | 150/80-16 |
| Rear tire | 180/70-B16 |
| Wheels | Denim black, Structure cast aluminum with laser etched graphics |
Dimensions and weight
| Wet weight | 306 kg (674.6 lb) |
|---|---|
| Dry weight | 296 kg (652.6 lb) |
| Seat height | 710 mm (28.0 inches) |
| Overall length | 2,340 mm (92.1 inches) |
| Wheelbase | 1,690 mm (66.5 inches) |
| Ground clearance | 120 mm (4.7 inches) |
Fuel and emissions
| Fuel capacity | 13.60 L (3.59 US gal) |
|---|---|
| Fuel consumption | 5.50 L/100 km (18.2 km/l or 42.77 mpg) |
| Greenhouse gases | 127.6 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Performance
| Power/weight ratio | 0.2905 hp/kg |
|---|
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, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings |
Other specifications
| Color options | Vivid Black, Black Denim, Red Iron Denim, Bonneville Salt Denim, Industrial Gray Denim |
|---|---|
| Exhaust system | 2-into-1-into-2 dual side; catalyst in header |
| Price as new | US$ 16999. Euro 17895. MSRP depends on country, taxes, accessories, etc. |
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.