Equipment unit · VIN-decoded · NHTSA vPIC

2025 Western trailer company Western Trailer Company

5DN17534XSB000906 · Trailer · TRAILER
Carriers run under2
14 mo
Inspections4
all-time
OOS inspections0
of 4
First seenApr 23, 2025
WA
Last seenJun 19, 2026
CA
Inspected under 2 different carriers in 14 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5DN17534XSB000906
Make
Western trailer company
Model
Western Trailer Company
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 17, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Apr 23, 2025 – Jun 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 19, 2026CAII · Walk-around1—MAMONT HEAVY HAUL LLC 449061397847AL/WA
Feb 23, 2026NCIII · Driver-only0—MAMONT HEAVY HAUL LLC 449061397847AL/WA
Feb 11, 2026UTIII · Driver-only3—MAMONT HEAVY HAUL LLC 449061397847AL/WA
Apr 23, 2025WAII · Walk-around1—SHANE DAVIS TRUCKING INC 2035234280486C/MT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAMONT HEAVY HAUL LLC4490613Feb 11, 2026Jun 19, 20263WA
SHANE DAVIS TRUCKING INC2035234Apr 23, 2025Apr 23, 20251MT
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
97847ALWA2MAMONT HEAVY HAUL LLCFeb 11, 2026 → Jun 19, 20263
280486CMT—SHANE DAVIS TRUCKING INCApr 23, 2025 → Apr 23, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026