Equipment unit · VIN-decoded · NHTSA vPIC

2022 Polar Tank Trailer

1PMKR4339N1115205 · Trailer · TRAILER
Carriers run under3
12 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJan 26, 2025
FL
Last seenJan 24, 2026
FL
Inspected under 3 different carriers in 12 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
1PMKR4339N1115205
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2022
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
KR433

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
115205

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 · 4 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 4 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
2022

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 · Jan 26, 2025 – Jan 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 24, 2026FLIII · Driver-only0BYNUM TRANSPORT INC 105899AM31428/NC
Mar 16, 2025FLIII · Driver-only0DAIRY MOOVERS LLC 1199700AM31428/NC
Jan 26, 2025FLIII · Driver-only0C & T DURHAM TRUCKING COMPANY 396826AM31428/NC
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BYNUM TRANSPORT INC105899Jan 24, 2026Jan 24, 20261FL
DAIRY MOOVERS LLC1199700Mar 16, 2025Mar 16, 20251NC
C & T DURHAM TRUCKING COMPANY396826Jan 26, 2025Jan 26, 20251NC
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.
AM31428NCBYNUM TRANSPORT INCJan 24, 2026Jan 24, 20261
AM31428NCDAIRY MOOVERS LLCMar 16, 2025Mar 16, 20251
AM31428NCC & T DURHAM TRUCKING COMPANYJan 26, 2025Jan 26, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026