AllRVs Certified Fifth Wheel · 2025
Seismic 403
Sleeps 741.5 ft
Starting at
$300,000
Floor plans
9 layouts available for the Seismic — you're viewing the 403.
214
$67,868
214 ft · sleeps 6
265
$77,993
265 ft · sleeps 6
359
$119,280
sleeps 6
399
$131,993
sleeps 8
395
$133,043
sleeps 7
403Viewing
$300,000
41.5 ft · sleeps 7
405
Call for price
41.4 ft · sleeps 8
413
Call for price
47 ft · sleeps 6
286
Call for price
286 ft · sleeps 6
Specifications
Overview
Year2025
ClassFifth Wheel
Dimensions
Overall length41.5 ft
Weights & towing
Dry weight13,260 lbs
Sleeping & bath
Sleeps7
How it compares
Seismic 403 vs Plā 750 4419
The Seismic 403 is more compact, more premium than the Plā 750 4419.
Seismic 403 vs Plā 650 4015
The Seismic 403 is more compact, more premium than the Plā 650 4015.
Shoppers also compare
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