Equipment unit · VIN-decoded · NHTSA vPIC

2017 Polar Tank Trailer

1PMS3422XH1008565 · Trailer · TRAILER
Carriers run under2
34 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJun 28, 2023
NC
Last seenApr 30, 2026
SC
Inspected under 2 different carriers in 34 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
1PMS3422XH1008565
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
S3422

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1987 or 2017

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

North American serial sequence
008565

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 · 246 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 246 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
2017

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 · Jun 28, 2023 – Apr 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 30, 2026SCIII · Driver-only2MKS LOGISTICS LLC 3930199126535PT/SC
Oct 17, 2023SCIII · Driver-only2PERRY LEE MELVIN 1362752AM72827/NC
Jun 28, 2023NCIII · Driver-only0PERRY LEE MELVIN 1362752AM72827/NC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MKS LOGISTICS LLC3930199Apr 30, 2026Apr 30, 20261SC
PERRY LEE MELVIN1362752Jun 28, 2023Oct 17, 20232NC
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.
126535PTSCMKS LOGISTICS LLCApr 30, 2026Apr 30, 20261
AM72827NCPERRY LEE MELVINJun 28, 2023Oct 17, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026