Equipment unit · VIN-decoded · NHTSA vPIC

1999 Polar tank trailer Polar Tank Trailer

1PMB1422XX5001838 · Trailer · TRAILER
Carriers run under4
20 mo
Inspections12
all-time
OOS inspections3
of 12
First seenOct 26, 2024
TX
Last seenJun 26, 2026
TX
Inspected under 4 different carriers in 20 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
1PMB1422XX5001838
Make
Polar tank trailer
Model
Polar Tank Trailer
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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 · Oct 26, 2024 – Jun 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 26, 2026TXII · Walk-around9OOSISAAC MARTIN GALVAN CARREON 3395326181C404/TX
Jun 18, 2026TXII · Walk-around6OOSISAAC MARTIN GALVAN CARREON 3395326181C404/TX
Feb 25, 2026TXII · Walk-around5—CONOR LLC 2830935181C404/TX
Feb 17, 2026TXII · Walk-around4OOSGRUPO INDUSTRIAL COA-NOR SA DE CV 4110303181C404/TX
Jan 19, 2026TXII · Walk-around7—CONOR LLC 2830935181C404/TX
Dec 11, 2025TXII · Walk-around2—DIAMOND FREIGHT FORWARDING LLC 3100239181C404/TX
Nov 7, 2025TXII · Walk-around1—ISAAC MARTIN GALVAN CARREON 3395326181C404/TX
Apr 17, 2025TXII · Walk-around3—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303181C404/TX
Mar 17, 2025TXII · Walk-around2—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303181C404/TX
Dec 21, 2024TXII · Walk-around9—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303181C404/TX
Nov 4, 2024TXII · Walk-around3—DIAMOND FREIGHT FORWARDING LLC 3100239181C404/TX
Oct 26, 2024TXII · Walk-around2—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303181C404/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ISAAC MARTIN GALVAN CARREON3395326Nov 7, 2025Jun 26, 20263CH
CONOR LLC2830935Jan 19, 2026Feb 25, 20262TX
GRUPO INDUSTRIAL COA-NOR SA DE CV4110303Oct 26, 2024Feb 17, 20265CH
DIAMOND FREIGHT FORWARDING LLC3100239Nov 4, 2024Dec 11, 20252TX
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.
181C404TX2ISAAC MARTIN GALVAN CARREONNov 7, 2025 → Jun 26, 20263
181C404TX—CONOR LLCJan 19, 2026 → Feb 25, 20262
181C404TX—GRUPO INDUSTRIAL COA-NOR SA DE CVOct 26, 2024 → Feb 17, 20265
181C404TX—DIAMOND FREIGHT FORWARDING LLCNov 4, 2024 → Dec 11, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026