Equipment unit · VIN-decoded · NHTSA vPIC

2012 Western construction components

1W9604029CW172745 · TRAILER
Carriers run under2
8 mo
Inspections6
all-time
OOS inspections2
of 6
First seenSep 15, 2025
CA
Last seenMay 8, 2026
CA
Inspected under 2 different carriers in 8 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
1W9604029CW172745
Make
Western construction components
Model
Not decoded
Model year
2012
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 1, 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 · Sep 15, 2025 – May 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 8, 2026CAI · Full1—ROLL OFF SERVICES LLC 37286764WT2187/CA
Feb 17, 2026CAII · Walk-around1OOSROLL OFF SERVICES LLC 37286764WT2187/CA
Dec 30, 2025CAI · Full5—ROLL OFF SERVICES LLC 37286764WT2187/CA
Nov 5, 2025CAII · Walk-around0—MMLK TRANSPORT LLC 32783284WM6101/CA
Sep 16, 2025CAII · Walk-around2—ROLL OFF SERVICES LLC 37286764WT2187/CA
Sep 15, 2025CAI · Full11OOSROLL OFF SERVICES LLC 37286764WT2187/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROLL OFF SERVICES LLC3728676Sep 15, 2025May 8, 20265CA
MMLK TRANSPORT LLC3278328Nov 5, 2025Nov 5, 20251CA
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.
4WT2187CA—ROLL OFF SERVICES LLCSep 15, 2025 → May 8, 20265
4WM6101CA—MMLK TRANSPORT LLCNov 5, 2025 → Nov 5, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 1, 2026