Equipment unit · VIN-decoded · NHTSA vPIC

2017 Polar Tank Trailer

1PMS14224H1048730 · Trailer · TRAILER
Carriers run under3
23 mo
Inspections4
all-time
OOS inspections2
of 4
First seenOct 19, 2023
CA
Last seenSep 19, 2025
CA
Inspected under 3 different carriers in 23 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
1PMS14224H1048730
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 7, 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
S1422

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1987 or 2017

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

North American serial sequence
048730

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 · 126 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 126 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
2017

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 19, 2023 – Sep 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 19, 2025CAII · Walk-around1SS SKIKOS INC 25037974RA2691/CA
Mar 14, 2024CAI · Full0KREITZ TRANSPORT INC 16342524RA2691/CA
Mar 12, 2024CAI · Full4OOSDPG TRUCKING INC 29578684RA2691/CA
Oct 19, 2023CAIII · Driver-only5OOSDPG TRUCKING INC 29578684RA2691/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SS SKIKOS INC2503797Sep 19, 2025Sep 19, 20251CA
KREITZ TRANSPORT INC1634252Mar 14, 2024Mar 14, 20241CA
DPG TRUCKING INC2957868Oct 19, 2023Mar 12, 20242CA
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.
4RA2691CASS SKIKOS INCSep 19, 2025Sep 19, 20251
4RA2691CAKREITZ TRANSPORT INCMar 14, 2024Mar 14, 20241
4RA2691CADPG TRUCKING INCOct 19, 2023Mar 12, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026