Equipment unit · VIN-decoded · NHTSA vPIC

2019 Polar Tank Trailer

1PMS64521K6051950 · TRAILER
Carriers run under2
28 mo
Inspections11
all-time
OOS inspections2
of 11
First seenJun 14, 2023
CA
Last seenOct 10, 2025
CA
Inspected under 2 different carriers in 28 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
1PMS64521K6051950
Make
Polar Tank Trailer
Model
Not decoded
Model year
2019
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Sep 5, 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
S6452

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1989 or 2019

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

North American serial sequence
051950

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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
POLAR TANK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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 · Jun 14, 2023 – Oct 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 10, 2025CAII · Walk-around0J LEON TRUCKING LLC 2576097CZ4700/OK
Jan 28, 2025CAI · Full2OOSJ LEON TRUCKING LLC 2576097CZ4700/OK
Oct 14, 2024CAII · Walk-around0J LEON TRUCKING LLC 2576097CZ4700/OK
Apr 19, 2024CAIII · Driver-only1J LEON TRUCKING LLC 2576097CZ4700/OK
Jan 12, 2024CAII · Walk-around0J LEON TRUCKING LLC 25760973JA9A9A/AZ
Dec 11, 2023CAII · Walk-around1OOSJ LEON TRUCKING LLC 25760973JA9A9A/AZ
Dec 5, 2023CAI · Full2J LEON TRUCKING LLC 25760973JA9A9A/AZ
Oct 4, 2023AZI · Full0ALL VALLEY PROPANE SERVICES LLC 32256203JA9A9A/AZ
Jul 24, 2023CAI · Full0ALL VALLEY PROPANE SERVICES LLC 32256203JA9A9A/AZ
Jun 15, 2023CAII · Walk-around1ALL VALLEY PROPANE SERVICES LLC 32256203JA9A9A/AZ
Jun 14, 2023CAI · Full0ALL VALLEY PROPANE SERVICES LLC 32256203JA9A9A/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J LEON TRUCKING LLC2576097Dec 5, 2023Oct 10, 20257CA
ALL VALLEY PROPANE SERVICES LLC3225620Jun 14, 2023Oct 4, 20234AZ
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.
CZ4700OKJ LEON TRUCKING LLCApr 19, 2024Oct 10, 20254
3JA9A9AAZJ LEON TRUCKING LLCDec 5, 2023Jan 12, 20243
3JA9A9AAZALL VALLEY PROPANE SERVICES LLCJun 14, 2023Oct 4, 20234
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 5, 2026