Both the Street Bob and Fat Bob are popular bike models from Harley Davidson. They offer classic and reliable performance, but they have some differences. The core point of difference between them is that Fat Bob is larger with higher torque , whereas Street Bob is lighter and has lower torque.
Well, this is not the only difference between these two, there are a few more that you need to consider before you make your final decision. Keep reading to find out more.
Harley Davidson Street Bob Specs
The Harley Davidson Street Bob was first introduced in 2006 with a lightweight design in a softail frame.
Now in 2023 street Bob offers a torque of 155 Nm that is more than the earlier models.
Also, it is designed with a keyless entry system and produces classic loud signature sound.
|Specification of 2023 Street Bob
|5.5 l/100 km
Few of the most Famous Street Bob Models with their engines
- 2006 FXDBI Dyna Street Bob – 1450cc, Twin Cam 88 V-twin engine
- 2007 FXDB DYNA Street Bob – 1584cc, Twin Cam 96 V-twin engine
- 2008 FXDB DYNA Street Bob – 1584cc, Twin Cam 96 engine
- 2009 FXDB DYNA Street Bob – 1584cc, Twin Cam 96 V-twin
- 2010, 2011, 2012,2013 FXDB DYNA Street Bob – 1584cc, Twin Cam 96 engine
- 2014 Street Bob – 1585cc, Twin Cam 96 V-twin
- 2015, 2016, 2017 Street Bob – 1690cc Twin Cam 103
- 2018, 2019, 2020 Street Bob – 1745cc, Milwaukee-Eight 107 V-twin
- 2021, 2022, 2023 Street Bob – 1868cc, Milwaukee-Eight 114 engine
Harley Davidson Fat Bob Specs
Fat Bob on the other hand started its journey in 1979 and the design follows the classic softail frame.
The latest Fat Boy 2023 comes equipped with the Milwaukee-Eight 114 engine which produces extreme power and torque.
|Specifications for the 2023 Fat Bob
|Milwaukee-Eight 114 engine
|5.5 l/100 km
Few of the most Famous Fat Bob Models with their engines
- 2008 MY Harley Davidson FXDF Dyna Fat Bob – 1584cc, Twin Cam 96
- 2009, 2010 MY Harley Davidson FXDF Dyna Fat Bob – 1584cc, Twin Cam 96 V twin.
- 2011 MY Harley Davidson FXDF Dyna Fat Bob – 1584cc, Twin Cam 96
- 2012 MY Harley Davidson FXDF Dyna Fat Bob – 1690cc, Twin Cam 103 V-twin
- 2013, 2014, 2015, 2016 Fat Bob – 1690cc, Twin Cam 103
- 2017 Fat Bob – M-E 107
- 2018 Fat Bob – 1868cc, Milwaukee-Eight 114 engine
- 2019 Fat Bob – 1746 cc Milwaukee-Eight 107 engine
- 2020, 2021, 2022, 2023 Fat Bob – 1868cc, Milwaukee-Eight 114 engine
What Are the Similarities Between Harley Street Bob and Fat Bob?
While choosing between Harley Street Bob and Fat Bob, people consider differences and similarities.
Here, we will focus on similarities between these two. We’ll concentrate on these bikes’ 2023 editions, which are the most recent models.
When it comes to engines, both of these bikes come with the same configuration. They are both powered by a 1868cc, Milwaukee-Eight 114 engine which produces insane power.
Both Street Bob and Fat Bob come are designed based on the same frame design which focuses on a softail frame.
As both of these bikes use the same engine, the fuel economy is also the same for them. They have a fuel economy of 5.5l/100 Km on paper.
Harley Davidson Street Bob Vs Fat Bob: Quick Comparison Table
|Harley Street Bob
|Harley Fat Bob
|Shorty Dual Exhaust
What Are The Differences Between Harley Street Bob And Fat Bob?
As you already know the basic differences between these two bikes, now we will break them into full details before we come to a conclusion. Read this section carefully to understand which suits your needs.
Even though these two bikes are operated by the same Milwaukee engine the engine torque isn’t exactly the same.
The Street Bob offers a torque of 3250 RPM whereas the Fat Bob offers a 3500 RPM.
As the size and dimension of the Fat bob is larger than the Street Bob, it also needs more engine torque to produce sufficient power for the ride.
Another significant difference between these two bikes is the length; the street Bob comes with a length of 2320 mm and Fat bob has a length of 2340 mm.
The suitable length of the bike depends heavily on your height and preferences. If you like shorter bikes, and you have a small height, Street Bob can be a great choice.
Whereas if you like larger bikes with a large build and you are tall, you should go for the Fat Bob. Then again, it all comes down to personal choice and how you prefer riding your bike.
At first glance, these two bikes look the same, but when you look into their details, you will notice a great differentiation in the overall design.
The Fat bob has an aggressive look and is highly performance oriented whereas with the Street Bob comes with the classic bobber look. So, the overall design of the fat Bob will give you that feel of something aggressive on the road.
On the other hand the Street Bob will give you that feel of classic design and the vintage Harley Davidson look.
One of the major differences between them and one of the most critical choices lies in the exhaust system. These bikes come with different exhaust systems.
The Fat Bob uses offset shotgun exhaust but the Street bob uses shorty dual exhaust system. The offset shotgun gives the fat bob a solid low profile but aids the aggressive look.
Wheelbase, Seat Height and Weight
You will see a difference in wheelbase, seat height and weight between them. As you can already guess by the name “Fat Bob”, it comes with a bigger seat height of 710 mm and larger weight of 306 kg.
On the other hand Street Bob has a shorter seat height of 680 mm and a weight of 297 Kg.
But when it comes to the wheelbase, the Fat Bob has a shorter wheelbase of 1615 mm due to its lower profile design.
As the Street Bob follows a more classic setup it uses a larger wheelbase of 1630 mm.
Harley Street Bob or Fat Bob: Which One to Choose?
Both Street Bob and Fat Bob are popular bikes from Harley Davidson and choosing between them can be a confusing choice overall. However, it mostly depends on your riding style and comfort.
Now if you are searching for a Harley to ride in an urban setting where you need more easy handling then Street Bob is a great choice as it has a lighter weight and smaller body.
However, if you are looking for a bike for cruising then Fat Bob is a great choice as it is heavier and stays more planted on the ground.
Additionally, as it has a larger body the riding position is also more comfortable.
Street Bob and Fat Bob from Harley Davidson are both very popular and unique bikes in the market so you might still have confusion between them. The Faqs below will help you clear out these confusions.
Which Offers A More Comfortable Sitting Position Between Street And Fat Bob?
The Fat Bob offers a more comfortable sitting position due to its wider and larger design. Additionally, the footpegs are positioned more forward which offers a more comfortable and relaxed sitting position.
Which Is More Powerful Between These Two Models?
Even though both of these bikes are powered by the same engine, Milwaukee-Eight 114, the overall engine torque varies between them. The Fat Bob has an engine torque of 3500 RPM compared to 3250 RPM of Street Bob.
Can I Customize Both Of These Bikes?
All Harley Davidson bikes are highly customizable and you can also customize both of these bikes using OEM parts as well as other aftermarket kits. But, you will need to make sure to find parts suitable for your bike.