Equipment unit · VIN-decoded · NHTSA vPIC

2018 Polar Tank Trailer

1PMS34844J1009418 · TRAILER
Carriers run under2
32 mo
Inspections12
all-time
OOS inspections0
of 12
First seenNov 22, 2023
MI
Last seenJul 9, 2026
MI
Inspected under 2 different carriers in 32 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
1PMS34844J1009418
Make
Polar Tank Trailer
Model
Not decoded
Model year
2018
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 9, 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
S3484

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1988 or 2018

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

North American serial sequence
009418

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
POLAR TANK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 22, 2023 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026MIII · Walk-around3C & S TRANSPORTATION INC 402985E754919/MI
Dec 17, 2025MIII · Walk-around4C & S CARRIERS INC 1341623E754919/MI
Oct 16, 2025INIII · Driver-only1C & S CARRIERS INC 1341623E754919/MI
Jun 27, 2025MIII · Walk-around2C & S TRANSPORTATION INC 402985E754919/MI
Jun 23, 2025MIII · Walk-around0C & S CARRIERS INC 1341623E754919/MI
Jun 11, 2025MII · Full4C & S CARRIERS INC 1341623E754919/MI
May 19, 2025MIII · Walk-around4C & S CARRIERS INC 1341623E754919/MI
May 12, 2025INII · Walk-around1C & S TRANSPORTATION INC 402985E754919/MI
Oct 1, 2024MIII · Walk-around1C & S TRANSPORTATION INC 402985E754919/MI
Jul 2, 2024MIII · Walk-around2C & S CARRIERS INC 1341623E754919/MI
Mar 4, 2024MIII · Walk-around0C & S TRANSPORTATION INC 402985E754919/MI
Nov 22, 2023MIIII · Driver-only1C & S TRANSPORTATION INC 402985E754919/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
C & S TRANSPORTATION INC402985Nov 22, 2023Jul 9, 20266MI
C & S CARRIERS INC1341623Jul 2, 2024Dec 17, 20256MI
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.
E754919MI2C & S TRANSPORTATION INCNov 22, 2023Jul 9, 20266
E754919MIC & S CARRIERS INCJul 2, 2024Dec 17, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026