
Line photo: Keystone publishes one photo for the Fuzion line, so it may show another floorplan. Windows and slides can differ from the 419 described here.
Keystone · Toy Hauler · 2027
Keystone Fuzion 419
Mid-price where the Raptor is premium, Keystone's Fuzion 419 has the same long garage and a standard generator with its own fuel tank, plus a powered ramp door and a king bedroom suite. The one-piece polypropylene underbelly is heated and enclosed.
- Approx. price
- —
- Length
- 44.5 ft
- Sleeps
- 8
Specifications
Size
- Exterior length
- 44.5 ft
- Exterior height
- 13.2 ft
- Sleeps
- 8
Tanks and power
- Fresh water
- 173 gal
- Gray water
- 104 gal
- Black water
- 104 gal
- Factory solar
- None
- Generator
- 5,500 Flex Power generator w/ 30-gal. fuel tank
Standard equipment named by the maker
- Garage length 16 ft 0 in
- One-piece polypropylene, heated, insulated, and enclosed underbelly
- Titan hydraulic leveling system
- 5,500 Flex Power generator w/ 30-gal. fuel tank
- 5K BTU Fireplace w/ surround
- Lippert power ramp door
- King bed suite
- 8' ramp door
Weights
2027 maker figures
- Dry weight (UVW)
- 17,071 lb
- GVWR
- not published
- Pin weight, dry
- 3,770 lb
- Cargo capacity (CCC)
- 3,929 lb
Size, to scale
- Keystone Fuzion 419 · 44.5 ft long · 13′2″ tall
Compared with
Similar models
Line photoToy Hauler · Keystone
Keystone Raptor 415
- Length
- 44.5 ft
- Sleeps
- 7
- Dry wt
- 17,328 lb
- Generator
- 173 gal fresh
Price not published
8 owner accounts →
Line photoFifth Wheel · Keystone
Keystone Montana 3900RK
- Length
- 43.8 ft
- Sleeps
- 6
- Dry wt
- 17,085 lb
- 4-season
- 77 gal fresh
Price not published
Line photoTravel Trailer · Keystone
Keystone Passport SL 2450RK
- Length
- 28.7 ft
- Sleeps
- 6
- Dry wt
- 6,180 lb
- 54 gal fresh
Price not published
Line photoFifth Wheel · Keystone
Keystone Cougar 360MBI
- Length
- 39.2 ft
- Sleeps
- 10
- Dry wt
- 12,499 lb
- 75 gal fresh
Price not published
24 owner accounts →
Where these figures come from
Checked against these pages on October 16, 2026. Options and later model-year changes can move any of them.