Harddrive Flat Side 5-Gallon Fuel Tank - Harley FXST
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
This Harddrive Flat Side fuel tank provides a generous 5-gallon capacity with the classic styling of late-model FXST tanks. Constructed from raw steel with a screw-in fuel bung, it's the ideal starting point for a custom build, restoration, or crash repair project. The flat side profile offers a clean, traditional look.
Why riders pick this
- 5-gallon capacity for extended range
- Classic flat side profile matches FXST tanks
- Raw steel ready for custom paint and bodywork
- Screw-in fuel bung for secure cap
- Accepts multiple dash styles
For riders seeking extended range or a specific aesthetic for their Harley-Davidson FXST, this Harddrive Flat Side tank delivers. Its 5-gallon capacity ensures fewer fuel stops, making it suitable for longer cruises or daily riding. The raw steel construction provides a blank canvas, allowing you to match the tank perfectly to your bike's paint scheme and overall theme, whether it's a subtle restoration or a bold custom.
Enhanced Capacity, Classic Lines
- 5-gallon capacity for increased riding range
- Classic flat side profile replicates late-style FXST tanks
- Raw steel construction ready for custom metal prep and paint
- Features a screw-in fuel bung for reliable cap installation
- Accepts FL, FXWG, and FXST style fuel tank dashes for versatile integration
The Foundation for Your Custom Vision
As a raw steel component, this Harddrive Flat Side tank requires final metal preparation, bodywork, and professional internal sealing before painting and installation. This process is crucial for both the tank's durability and your safety. We always recommend a thorough test fit on your Harley-Davidson FXST frame to confirm all clearances and mounting points before you commit to any finishing work. This ensures a flawless result for your custom V-twin project.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 011389
- UPC: 191361166990
- Capacity: 5 gallons
- Weight: 20.56 lbs
- Country of Origin: China (Taiwan)
Common questions
Does this tank come ready to paint and install?
No, this Harddrive tank ships as raw steel. It requires metal prep, bodywork, internal sealing, and paint before it's ready for installation. Test fit on your bike first.
Will this tank fit my FXST model?
Yes, this tank is designed to fit FXST models from 1984 through 1999. It will not fit newer Harley models or those requiring EFI-compatible tanks, so please verify your year and model.
What kind of fuel cap does this tank use?
This tank features a screw-in fuel bung, compatible with screw-type gas caps commonly found on late-style Harley-Davidson FXST models.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Harddrive |
| TYPE | Body |
| SKU | 820-52210 |
| WEIGHT | 20.56 lb |