Equipment unit · VIN-decoded · NHTSA vPIC

2015 Polar Tank Trailer

1PMA23827F5011283 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections5
all-time
OOS inspections2
of 5
First seenNov 2, 2023
MT
Last seenMay 1, 2026
MT
Inspected under 2 different carriers in 30 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
1PMA23827F5011283
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2015
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
A2382

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1985 or 2015

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

North American serial sequence
011283

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 · 3 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 3 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.

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
2015

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 2, 2023 – May 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 1, 2026MTII · Walk-around1OOSCOLEMAN OIL COMPANY LLC 253466732358B/MT
Nov 5, 2025MTII · Walk-around0CITYSERVICEVALCON LLC 192953732358B/MT
Nov 13, 2024MTII · Walk-around0CITYSERVICEVALCON LLC 192953732368B/MT
Oct 4, 2024MTII · Walk-around1OOSCITYSERVICEVALCON LLC 192953732368B/MT
Nov 2, 2023MTII · Walk-around4CITYSERVICEVALCON LLC 192953732368B/MT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COLEMAN OIL COMPANY LLC253466May 1, 2026May 1, 20261ID
CITYSERVICEVALCON LLC192953Nov 2, 2023Nov 5, 20254MT
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.
732358BMTCOLEMAN OIL COMPANY LLCMay 1, 2026May 1, 20261
732358BMTCITYSERVICEVALCON LLCNov 5, 2025Nov 5, 20251
732368BMTCITYSERVICEVALCON LLCNov 2, 2023Nov 13, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026