Equipment unit · VIN-decoded · NHTSA vPIC

2020 Polar Tank Trailer

1PMKD4425L1106857 · Trailer · TRAILER
Carriers run under1
30 mo
Inspections3
all-time
OOS inspections0
of 3
First seenFeb 21, 2024
OK
Last seenAug 20, 2026
NC
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMKD4425L1106857
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 23, 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
KD442

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
106857

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 · 13 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 13 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 · Feb 21, 2024 – Aug 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 20, 2026NCI · Full1DUNNING EXPRESS INC 2103065677187/OT
Mar 20, 2026MOIII · Driver-only1DUNNING EXPRESS INC 2103065677187/KS
Feb 21, 2024OKIII · Driver-only1DUNNING EXPRESS INC 2103065677187/KS
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DUNNING EXPRESS INC2103065Feb 21, 2024Aug 20, 20263KS
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.
677187OT2DUNNING EXPRESS INCAug 20, 2026Aug 20, 20261
677187KSDUNNING EXPRESS INCFeb 21, 2024Mar 20, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 23, 2026