Equipment unit · VIN-decoded · NHTSA vPIC

1999 Polar Tank Trailer

1PMB14227X5001845 · Trailer · TRAILER
Carriers run under4
39 mo
Inspections7
all-time
OOS inspections2
of 7
First seenJun 26, 2023
TX
Last seenSep 5, 2026
TX
Inspected under 4 different carriers in 39 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
1PMB14227X5001845
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 7, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1PM

Deterministic · VIN positions 1–3.

Vehicle descriptor section
B1422

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1999 or 2029

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
001845

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
POLAR TANK TRAILER

Prefix basis · 83 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 83 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 26, 2023 – Sep 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 5, 2026TXII · Walk-around2OOSCONOR LLC 2830935049B334/TX
Aug 26, 2026TXII · Walk-around7OOSISAAC MARTIN GALVAN CARREON 3395326049B334/TX
Jul 4, 2026TXIII · Driver-only0—CONOR LLC 2830935049B334/TX
Jun 8, 2026TXI · Full8—ISAAC MARTIN GALVAN CARREON 3395326049B334/TX
Sep 20, 2024TXII · Walk-around1—GRUPO INDUSTRIAL COA-NOR SA DE CV 4110303049B334/TX
Apr 24, 2024TXII · Walk-around3—DIAMOND FREIGHT FORWARDING LLC 310023988P541M/TX
Jun 26, 2023TXII · Walk-around3—DIAMOND FREIGHT FORWARDING LLC 3100239049B334/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONOR LLC2830935Jul 4, 2026Sep 5, 20262TX
ISAAC MARTIN GALVAN CARREON3395326Jun 8, 2026Aug 26, 20262CH
GRUPO INDUSTRIAL COA-NOR SA DE CV4110303Sep 20, 2024Sep 20, 20241CH
DIAMOND FREIGHT FORWARDING LLC3100239Jun 26, 2023Apr 24, 20242TX
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.
049B334TX2CONOR LLCJul 4, 2026 → Sep 5, 20262
049B334TX2ISAAC MARTIN GALVAN CARREONJun 8, 2026 → Aug 26, 20262
049B334TX—GRUPO INDUSTRIAL COA-NOR SA DE CVSep 20, 2024 → Sep 20, 20241
88P541MTX—DIAMOND FREIGHT FORWARDING LLCApr 24, 2024 → Apr 24, 20241
049B334TX—DIAMOND FREIGHT FORWARDING LLCJun 26, 2023 → Jun 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026