Equipment unit · VIN-decoded · NHTSA vPIC

2003 Polar Tank Trailer

1PMA2442935003483 · Trailer · TRAILER
Carriers run under1
32 mo
Inspections9
all-time
OOS inspections1
of 9
First seenJun 12, 2023
CA
Last seenFeb 21, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA2442935003483
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2003
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
A2442

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
003483

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 · 1,078 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 1,078 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 · Jun 12, 2023 – Feb 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 21, 2026CAI · Full040 TANK LINES LLC 300227503X3718/WY
Jan 12, 2026CAI · Full1OOS40 TANK LINES LLC 30022753X3718/WY
Jun 18, 2025CAII · Walk-around040 TANK LINES LLC 300227503X8145/WY
Feb 23, 2024CAI · Full140 TANK LINES LLC 300227538145/WY
Jan 23, 2024CAII · Walk-around240 TANK LINES LLC 300227503X8145/WY
Aug 1, 2023NVII · Walk-around540 TANK LINES LLC 30022753XL8145/WY
Jun 27, 2023NVII · Walk-around440 TANK LINES LLC 300227503X8145/WY
Jun 13, 2023CAII · Walk-around040 TANK LINES LLC 300227538145/WY
Jun 12, 2023CAII · Walk-around040 TANK LINES LLC 300227538145/WY
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
40 TANK LINES LLC3002275Jun 12, 2023Feb 21, 20269CA
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.
03X3718WY40 TANK LINES LLCFeb 21, 2026Feb 21, 20261
3X3718WY40 TANK LINES LLCJan 12, 2026Jan 12, 20261
03X8145WY40 TANK LINES LLCJun 27, 2023Jun 18, 20253
38145WY40 TANK LINES LLCJun 12, 2023Feb 23, 20243
3XL8145WY40 TANK LINES LLCAug 1, 2023Aug 1, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026