Equipment unit · VIN-decoded · NHTSA vPIC

2003 Polar Tank Trailer

1PMC1432532026399 · Trailer · TRAILER
Carriers run under2
12 mo
Inspections3
all-time
OOS inspections1
of 3
First seenOct 8, 2024
KY
Last seenOct 13, 2025
KY
Inspected under 2 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
1PMC1432532026399
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2003
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
C1432

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
2003 or 2033

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

North American serial sequence
026399

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 · 9 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 9 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
2003

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 · Oct 8, 2024 – Oct 13, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 13, 2025KYI · Full2OOSASHBAUGH ROBY TRUCKING LLC 654973JOY460/KY
Dec 12, 2024KYII · Walk-around1JACKS OR BETTER EXPRESS LLC 2368878JOY460/KY
Oct 8, 2024KYII · Walk-around0JACKS OR BETTER EXPRESS LLC 2368878J0Y460/KY
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ASHBAUGH ROBY TRUCKING LLC654973Oct 13, 2025Oct 13, 20251KY
JACKS OR BETTER EXPRESS LLC2368878Oct 8, 2024Dec 12, 20242KY
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.
JOY460KYASHBAUGH ROBY TRUCKING LLCOct 13, 2025Oct 13, 20251
JOY460KYJACKS OR BETTER EXPRESS LLCDec 12, 2024Dec 12, 20241
J0Y460KYJACKS OR BETTER EXPRESS LLCOct 8, 2024Oct 8, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026