The AMP Research BedXtender HD Max flips out with the tailgate open to add up to 2 feet of enclosed cargo area, or flips inside and closes with the tailgate for secure, contained storage of tools and smaller cargo. Its classic U-shape design provides maximum cargo capacity. This version is built for Ram 1500 trucks without RamBox cargo management or a multi-function tailgate.
Resources: Installation Instructions | Warranty
Specifications:
- Classic U-shape design for maximum enclosed cargo capacity
- Adds up to 2 feet of length to the truck bed
- Flips out with tailgate open or flips inside with tailgate closed
- Not compatible with RamBox or multi-function tailgate-equipped trucks
- Black powder-coat finish
- Part Number: AMP74840-01A
Vehicle Applications:
- 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Ram 1500 Std Cab (non-RamBox, non-multi-function tailgate trims)
FAQ
Does this fit RamBox-equipped trucks?
No, this version is built for Ram 1500 trucks without RamBox cargo management or a multi-function tailgate.
How much extra cargo length does it add?
Flipped out with the tailgate open, it adds up to 2 feet of enclosed cargo area.
What vehicles does AMP74840-01A fit?
It's built for 2019-2026 Ram 1500 Standard Cab trucks without RamBox or a multi-function tailgate.

