Equipment unit · VIN-decoded · NHTSA vPIC

2020 Polar Tank Trailer

1PMKA4428L7102419 · Trailer · TRAILER
Carriers run under1
21 mo
Inspections7
all-time
OOS inspections0
of 7
First seenNov 2, 2023
NC
Last seenAug 23, 2025
NC
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMKA4428L7102419
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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
KA442

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1990 or 2020

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

North American serial sequence
102419

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 · 387 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 387 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
2020

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 – Aug 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 23, 2025NCII · Walk-around0B & B TRANSPORT INC 818900AJ84631/NC
Jul 31, 2025NCI · Full0B & B TRANSPORT INC 818900AJ84631/NC
Feb 20, 2025SCII · Walk-around1B & B TRANSPORT INC 818900AJ84631/NC
Sep 17, 2024NCI · Full0B & B TRANSPORT INC 818900AJ84631/NC
Mar 11, 2024NCII · Walk-around0B & B TRANSPORT INC 818900AJ84631/NC
Feb 26, 2024NCIII · Driver-only1B & B TRANSPORT INC 818900AJ84631/NC
Nov 2, 2023NCII · Walk-around0B & B TRANSPORT INC 818900AJ84631/NC
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
B & B TRANSPORT INC818900Nov 2, 2023Aug 23, 20257NC
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.
AJ84631NCB & B TRANSPORT INCNov 2, 2023Aug 23, 20257
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026