Across the 2018 and 2019 model years, the Harley-Davidson Softail Fat Bob motorcycle has supplied wet/running weights ranging from 674.6 lb (306 kg) and dry weights ranging from 652.6 lb (296 kg), depending on model year.
Harley-Davidson Softail Fat Bob weight overview
The scale number is high enough that parking and low-speed balance deserve real consideration. Once the bike leans too far, recovering it takes much more effort than on a light machine.
Very Heavy Motorcycle
How heavy is the Harley-Davidson Softail Fat Bob?
wet weight
Using a model-level wet weight comparison, the Harley-Davidson Softail Fat Bob is heavier than about 52.3% 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 weight & related specs
| Model years covered | 2018, 2019 |
|---|---|
| Wet / running weight | 674.6 lb (306 kg) |
| Dry weight | 652.6 lb (296 kg) |
| Engine displacement | 1,745 cc to 1,746 cc |
| Torque | 106.9 lb-ft (145 Nm) |
| Fuel capacity | 3.59 US gal (13.6 L) |
| Full-tank fuel weight (estimated) | 22.3 lb (10.1 kg) |
Weight changes by model year
Useful weight calculations
| Torque per 100 lb | 15.85 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 2.59 cc / lb |
| Weight per 100 cc | 38.6 lb / 100 cc to 38.7 lb / 100 cc |
| Fuel weight as % of bike weight | 3.3% |
| Weight with full tank | 674.9 lb (306.1 kg) |
What the weight numbers tell you
Harley-Davidson Softail Fat Bob weight FAQ
What is the Harley-Davidson Softail Fat Bob dry and wet weight?
Across the covered 2018-2019 years, listed wet/running weight is 674.6 lb (306 kg) and listed dry weight is 652.6 lb (296 kg). Check the year-change section because the exact figure can vary by model year.
Is the Harley-Davidson Softail Fat Bob lighter or heavier than other Harley-Davidson motorcycles?
Weight is broadly typical for the category, landing around the 52nd percentile in this model-level Harley-Davidson comparison.
Which Harley-Davidson Softail Fat Bob years have different weight specs?
No clear weight change appears in the usable model-year data. Other specifications may still differ by year.
How much does a full tank add to the Harley-Davidson Softail Fat Bob?
Based on the supplied 3.59 US gal (13.6 L) tank capacity, the gasoline itself weighs about 22.3 lb (10.1 kg) when full. This helps explain part of the difference between dry and ready-to-ride mass.
What is the combined Harley-Davidson Softail Fat Bob and rider weight?
Using the model’s representative wet/running weight and a 180 lb rider, the combined bike-and-rider mass is about 854.6 lb (387.6 kg) before riding gear, luggage or a passenger.
How much heavier is the Harley-Davidson Softail Fat Bob with a full tank?
Using the listed dry weight plus the calculated fuel mass, the estimated weight with a full tank is 674.9 lb (306.1 kg). That still may not equal official curb weight because dry-weight definitions can exclude other fluids or equipment.
What is the Harley-Davidson Softail Fat Bob torque per 100 lb of bike weight?
Where compatible torque and weight figures are available, the model works out to 15.85 lb-ft per 100 lb. This gives more context than torque alone because it relates engine twist to the mass it has to move.
How many cc does the Harley-Davidson Softail Fat Bob have per pound?
The available figures work out to 2.59 cc per lb. This is not a performance rating, but it is a useful way to compare engine size against total motorcycle mass.
Where will I notice the Harley-Davidson Softail Fat Bob weight most?
The main challenge is low-speed and stationary handling. Once moving the chassis may disguise the mass, but backing up or holding it on a slope still means managing the full weight.
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.