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2026 Jayco Seismic
Built on Jayco Seismic 399
Certified by UpfitIQ Catalog Admin
Dry Weight (UVW)
14,950 lbs
Manufacturer spec
GVWR
20,400 lbs
Payload (CCC)
5,450 lbs
VIN
UIQ-REF-JAYCO-399-2026
How Do You Fit in This RV?
Weight Specifications
Weight Summary
73%used
GVWR20,400 lbs
Dry Weight (UVW)14,950 lbs
Payload (CCC)+5,450 lbs
✅Within Safe Range
Axle Weight Remaining
No axle weight data available for this vehicle.
Measured Axle Weights
- Front Axle
- N/A
- Rear Axle
- N/A
- Total
- N/A
Axle Ratings (GAWR)
- Front GAWR
- 5,696 lbs
- Rear GAWR
- 5,696 lbs
Tire Specifications
No tire data available
Towing Capacity
- Max Tongue Weight
- 3,310 lbs
Vehicle Ratings
- GVWR
- 20,400 lbs
- Payload (CCC)
- 5,450 lbs
- Dry Weight (UVW)
- 14,950 lbs
- Axle Count
- 3
Dimensions
- Length
- 46.75 ft
- Width
- 8.50 ft
- Height
- 12.67 ft
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