Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz Manufacturing Mertz Manufacturing, LLC

1M91P4536JA211166 · Trailer · TRAILER
Carriers run under2
9 mo
Inspections2
all-time
OOS inspections1
of 2
First seenSep 16, 2025
CO
Last seenJun 4, 2026
TX
Inspected under 2 different carriers in 9 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
1M91P4536JA211166
Make
Mertz Manufacturing
Model
Mertz Manufacturing, LLC
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 25, 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 16, 2025 – Jun 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 4, 2026TXII · Walk-around1—PANTHER TRUCKING LLC 2556023153C398/TX
Sep 16, 2025COIII · Driver-only1OOSTOPS WELL SERVICES LLC 2276908153C398/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PANTHER TRUCKING LLC2556023Jun 4, 2026Jun 4, 20261TX
TOPS WELL SERVICES LLC2276908Sep 16, 2025Sep 16, 20251UT
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.
153C398TX—PANTHER TRUCKING LLCJun 4, 2026 → Jun 4, 20261
153C398TX—TOPS WELL SERVICES LLCSep 16, 2025 → Sep 16, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 25, 2026