Across 5 covered model years from 2013 to 2017, the Harley-Davidson Dyna Fat Bob motorcycle has supplied wet/running weights ranging from 705.5 lb (320 kg) to 707.7 lb (321 kg) and dry weights ranging from 673.1 lb (305.3 kg) to 676.8 lb (307 kg), depending on model year.
Harley-Davidson Dyna Fat Bob weight overview
This sits in heavyweight territory. Riders should think about garage movement, backing up, surface slope and passenger/luggage load as much as the on-road feel.
Very Heavy Motorcycle
How heavy is the Harley-Davidson Dyna Fat Bob?
wet weight
Using a model-level wet weight comparison, the Harley-Davidson Dyna Fat Bob is heavier than about 72.6% of 168 Harley-Davidson custom/cruiser 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 Dyna Fat Bob weight & related specs
| Model years covered | 2013, 2014, 2015, 2016, 2017 |
|---|---|
| Wet / running weight | 705.5 lb (320 kg) to 707.7 lb (321 kg) |
| Dry weight | 673.1 lb (305.3 kg) to 676.8 lb (307 kg) |
| Engine displacement | 1,688 cc to 1,690 cc |
| Power | 80 hp |
| Torque | 95.9 lb-ft (130 Nm) to 100 lb-ft (135.6 Nm) |
| Fuel capacity | 5 US gal (18.93 L) |
| Full-tank fuel weight (estimated) | 31.1 lb (14.1 kg) |
Weight changes by model year
The 2013 model is used as the baseline where data is available. Only later supplied values that differ are shown below. A year pill does not mean every individual weight field was supplied for that year.
Useful weight calculations
| Horsepower per 100 lb | 11.34 hp / 100 lb |
|---|---|
| Pounds per horsepower | 8.82 lb / hp |
| Torque per 100 lb | 13.59 lb-ft / 100 lb to 14.17 lb-ft / 100 lb |
| Displacement per pound | 2.39 cc / lb to 2.4 cc / lb |
| Weight per 100 cc | 41.7 lb / 100 cc to 41.9 lb / 100 cc |
| Fuel weight as % of bike weight | 4.4% to 4.4% |
| Weight with full tank | 704.2 lb (319.4 kg) to 707.9 lb (321.1 kg) |
What the weight numbers tell you
Harley-Davidson Dyna Fat Bob weight FAQ
What does the Harley-Davidson Dyna Fat Bob weigh ready to ride?
The supplied figures span 705.5 lb (320 kg) to 707.7 lb (321 kg) for wet/running weight and 673.1 lb (305.3 kg) to 676.8 lb (307 kg) for dry weight across the years in this page. Wet weight is the better guide to what you actually manage on the road.
Is the Harley-Davidson Dyna Fat Bob heavy compared with other Harley-Davidson custom/cruiser motorcycles?
Relatively speaking, it is on the heavier side. The model sits near the 73rd weight percentile in its Harley-Davidson category, so it is heavier than most of the compatible comparison set.
Does the Harley-Davidson Dyna Fat Bob weight change by model year?
Not every covered year uses the same figure. The page groups identical values together and lists the later model years where the supplied weight specification changes.
How much does the Harley-Davidson Dyna Fat Bob fuel weigh?
The listed tank capacity is 5 US gal (18.93 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 31.1 lb (14.1 kg). That is an estimate for fuel mass, not an official Harley-Davidson curb-weight calculation.
How heavy is the Harley-Davidson Dyna Fat Bob with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 885.9 lb (401.8 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Harley-Davidson Dyna Fat Bob have per 100 lb?
Where compatible power and weight figures are available, it works out to 11.34 hp per 100 lb. That places it around the 70th percentile within the compatible Harley-Davidson custom / cruiser power-to-weight comparison.
What is the estimated Harley-Davidson Dyna Fat Bob weight with a full tank of gas?
Based on the available dry-weight and tank-capacity data, a full-tank estimate is 704.2 lb (319.4 kg) to 707.9 lb (321.1 kg). Oil, coolant and market-specific equipment can still make actual ready-to-ride weight different.
What is the difference between Harley-Davidson Dyna Fat Bob dry and wet weight?
The supplied model-year data shows roughly 28.7 lb (13 kg) to 33.1 lb (15 kg) between dry and wet/running weight. The exact gap can vary by year and by the manufacturer’s weight definition.
How much torque does the Harley-Davidson Dyna Fat Bob have per 100 lb?
The calculated torque-to-weight range is 13.59 lb-ft per 100 lb to 14.17 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
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.