Equipment unit · VIN-decoded · NHTSA vPIC

2015 Polar Tank Trailer

1PMA24529F5013062 · Trailer · TRAILER
Carriers run under3
27 mo
Inspections10
all-time
OOS inspections1
of 10
First seenFeb 6, 2024
CA
Last seenMay 7, 2026
CA
Inspected under 3 different carriers in 27 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
1PMA24529F5013062
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2015
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.
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
A2452

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
013062

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 · 131 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 131 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 · Feb 6, 2024 – May 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 7, 2026CAI · Full0HR SERVICES LLC 24391724WU9487/CA
Oct 27, 2025CAII · Walk-around0HR SERVICES LLC 24391724WU9487/CA
Jun 9, 2025CAI · Full0HARTER GROUND SOLUTIONS INC 30393074WU9487/CA
May 16, 2025CAII · Walk-around1HARTER GROUND SOLUTIONS INC 30393074UN5401/CA
Nov 26, 2024CAI · Full3WEST COAST TANK LINES INC 21834024NU5401/CA
Jun 27, 2024CAII · Walk-around1WEST COAST TANK LINES INC 21834024NU5401/CA
Apr 20, 2024CAI · Full2OOSWEST COAST TANK LINES INC 21834024NU5401/CA
Apr 20, 2024CAI · Full0WEST COAST TANK LINES INC 21834024NU5401/CA
Feb 8, 2024CAII · Walk-around1WEST COAST TANK LINES INC 21834024NU5401/CA
Feb 6, 2024CAI · Full1WEST COAST TANK LINES INC 21834024NU5401/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HR SERVICES LLC2439172Oct 27, 2025May 7, 20262NV
HARTER GROUND SOLUTIONS INC3039307May 16, 2025Jun 9, 20252CA
WEST COAST TANK LINES INC2183402Feb 6, 2024Nov 26, 20246CA
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.
4WU9487CAHR SERVICES LLCOct 27, 2025May 7, 20262
4WU9487CAHARTER GROUND SOLUTIONS INCJun 9, 2025Jun 9, 20251
4UN5401CAHARTER GROUND SOLUTIONS INCMay 16, 2025May 16, 20251
4NU5401CAWEST COAST TANK LINES INCFeb 6, 2024Nov 26, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026