Equipment unit · VIN-decoded · NHTSA vPIC

1999 Polar tank trailer Polar Tank Trailer

1PMB14228X5001840 · Trailer · TRAILER
Carriers run under3
25 mo
Inspections10
all-time
OOS inspections2
of 10
First seenApr 24, 2024
TX
Last seenMay 12, 2026
TX
Inspected under 3 different carriers in 25 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
1PMB14228X5001840
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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 24, 2024 – May 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 12, 2026TXI · Full3OOSMANUEL RODRIGUEZ ESPINOZA 4456326237C574/TX
Dec 30, 2025TXII · Walk-around1—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303237C574/TX
Jul 31, 2025TXII · Walk-around3—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303237C574/TX
Mar 25, 2025TXII · Walk-around1—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303237C574/TX
Mar 19, 2025TXII · Walk-around1—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303237C574/TX
Mar 10, 2025TXII · Walk-around4—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303237C574/TX
Feb 18, 2025TXII · Walk-around2—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303237C574/TX
Dec 24, 2024TXII · Walk-around1—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303237C574/TX
Sep 16, 2024TXII · Walk-around2—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303237C574/TX
Apr 24, 2024TXII · Walk-around6OOSDIAMOND FREIGHT FORWARDING LLC 3100239049B339/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MANUEL RODRIGUEZ ESPINOZA4456326May 12, 2026May 12, 20261CH
GRUPO INDUSTRIAL COA-NOR SA DE CV4110303Sep 16, 2024Dec 30, 20258CH
DIAMOND FREIGHT FORWARDING LLC3100239Apr 24, 2024Apr 24, 20241TX
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.
237C574TX—MANUEL RODRIGUEZ ESPINOZAMay 12, 2026 → May 12, 20261
237C574TX—GRUPO INDUSTRIAL COA-NOR SA DE CVSep 16, 2024 → Dec 30, 20258
049B339TX—DIAMOND FREIGHT FORWARDING LLCApr 24, 2024 → Apr 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026