For the 2018 model year, the Harley-Davidson Softail Fat Bob Dark Custom motorcycle has a supplied wet/running weight of 705.5 lb (320 kg) and a dry weight of 672.4 lb (305 kg).
Harley-Davidson Softail Fat Bob Dark Custom weight overview
This is a very heavy motorcycle. Good footing, sensible parking direction and avoiding awkward slopes make a real difference when handling it at walking speed.
Very Heavy Motorcycle
How heavy is the Harley-Davidson Softail Fat Bob Dark Custom?
wet weight
Using a model-level wet weight comparison, the Harley-Davidson Softail Fat Bob Dark Custom is heavier than about 66.7% of 108 Harley-Davidson motorcycles with compatible weight data.
Dry vs ready-to-ride weight
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Harley-Davidson Softail Fat Bob Dark Custom weight & related specs
| Model years covered | 2018 |
|---|---|
| Wet / running weight | 705.5 lb (320 kg) |
| Dry weight | 672.4 lb (305 kg) |
| Engine displacement | 1,690 cc |
| Torque | 99.6 lb-ft (135 Nm) |
| Fuel capacity | 4.99 US gal (18.9 L) |
| Full-tank fuel weight (estimated) | 31 lb (14.1 kg) |
Useful weight calculations
| Torque per 100 lb | 14.11 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 2.4 cc / lb |
| Weight per 100 cc | 41.7 lb / 100 cc |
| Fuel weight as % of bike weight | 4.4% |
| Weight with full tank | 703.5 lb (319.1 kg) |
What the weight numbers tell you
Harley-Davidson Softail Fat Bob Dark Custom weight FAQ
How much does the Harley-Davidson Softail Fat Bob Dark Custom weigh?
For the model years covered here, wet/running weight is 705.5 lb (320 kg), while dry weight is 672.4 lb (305 kg). Do not treat dry and wet figures as interchangeable.
How does the Harley-Davidson Softail Fat Bob Dark Custom weight compare with similar Harley-Davidsons?
It is on the heavier side. Its representative wet weight is around the 67th percentile among 108 compatible Harley-Davidson motorcycles.
What does a full tank of gas weigh on the Harley-Davidson Softail Fat Bob Dark Custom?
A full tank works out to about 31 lb (14.1 kg) from the listed 4.99 US gal (18.9 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Harley-Davidson Softail Fat Bob Dark Custom weigh with a 180 lb rider?
The approximate combined total is 885.5 lb (401.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
How much heavier is the Harley-Davidson Softail Fat Bob Dark Custom with a full tank?
The page calculates about 703.5 lb (319.1 kg) with a full tank by adding the listed fuel mass to the dry figure. Treat this as a practical estimate, not an official Harley-Davidson curb-weight number.
How much heavier is the Harley-Davidson Softail Fat Bob Dark Custom wet than dry?
Available years with both measurements show about 33.1 lb (15 kg) added between dry and ready-to-ride figures. Fuel explains part of it, while oil, coolant and specification definitions can explain the rest.
What is the Harley-Davidson Softail Fat Bob Dark Custom torque-to-weight ratio?
Available data gives 14.11 lb-ft per 100 lb. That ratio helps explain how strong the engine is relative to the bike’s mass, especially at lower speeds.
How large is the Harley-Davidson Softail Fat Bob Dark Custom engine for its weight?
The model has about 2.4 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
Is the Harley-Davidson Softail Fat Bob Dark Custom above or below the typical Harley-Davidson motorcycle weight?
The representative wet weight is about 33.1 lb (15 kg) heavier than the median Harley-Davidson motorcycle weight of 672.4 lb (305 kg) in this dataset.
Motorcycle specifications can vary by model year, market, equipment and the exact dry/curb-weight definition. Calculated fuel-weight and ratio figures on this page are estimates derived from the supplied specifications. Confirm critical figures in the owner’s manual or on the official Harley-Davidson website.