Equipment unit · VIN-decoded · NHTSA vPIC

1992 Polar Tank Trailer

1PMB04429N2011825 · Trailer · TRAILER
Carriers run under2
8 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJan 22, 2025
CO
Last seenSep 9, 2025
CO
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
1PMB04429N2011825
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
1992
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 29, 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
B0442

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1992 or 2022

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

North American serial sequence
011825

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
1992

Observed directly for this VIN via NHTSA vPIC.

Observed make
POLAR TANK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Polar Tank Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 22, 2025 – Sep 9, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 9, 2025COI · Full11OOSTRIPLE C HOLDINGS LLC 2051562311869/NE
Jan 22, 2025COIII · Driver-only1JONES LLC 215840521X9293/NE
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRIPLE C HOLDINGS LLC2051562Sep 9, 2025Sep 9, 20251NE
JONES LLC2158405Jan 22, 2025Jan 22, 20251CO
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.
311869NETRIPLE C HOLDINGS LLCSep 9, 2025Sep 9, 20251
21X9293NEJONES LLCJan 22, 2025Jan 22, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 29, 2026