2026 Keystone Fuzion 421
Toy Hauler · Luxury Fifth Wheel Toy Hauler · sleeps 8
The 2026 Keystone Fuzion 421 is a toy hauler (luxury fifth wheel toy hauler). At sleeps 8, it's positioned for owners who haul motorcycles, ATVs, or bikes.
Floor plan
Photos of the 2026 Keystone Fuzion 421
Walkthrough video
Video courtesy of Myles RVs on YouTube.
Full specifications
Living
| Sleeps | 8 |
|---|---|
| Bunkhouse | No |
Power & Electrical
| Generator | 5500 W |
|---|---|
| Shore Power | 50 A |
Amenities
| Outdoor Kitchen | No |
|---|---|
| Theater Seating | Yes |
| Residential Fridge | Yes |
| Fireplace | No |
| Four-Season | No |
| Off-Road Capable | No |
Similar Toy Haulers to consider
Other toy haulers in the catalog with comparable size and price.
Frequently asked questions
How many people does the 2026 Keystone Fuzion 421 sleep?
The 2026 Keystone Fuzion 421 sleeps 8.
Where can I buy the 2026 Keystone Fuzion 421?
Pirka Wakka is a brand-agnostic catalog and doesn't sell RVs. The "Buy on Keystone" link on this page sends you to the manufacturer's product page — they'll route you to an authorized dealer.
Not sure if the 2026 Keystone Fuzion 421 is right for you?
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