Equipment unit · VIN-decoded · NHTSA vPIC

2013 Polar Tank Trailer

1PMA4432XD2039746 · Trailer · TRAILER
Carriers run under2
16 mo
Inspections4
all-time
OOS inspections0
of 4
First seenOct 31, 2024
NV
Last seenFeb 16, 2026
CA
Inspected under 2 different carriers in 16 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
1PMA4432XD2039746
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2013
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
A4432

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1983 or 2013

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

North American serial sequence
039746

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 · 24 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 24 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
2013

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 31, 2024 – Feb 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 16, 2026CAII · Walk-around0REAGENT CHEMICAL & RESEARCH LLC 31816DJ6548/OK
Jan 12, 2026CAII · Walk-around0REAGENT CHEMICAL & RESEARCH LLC 31816DJ6548/OK
Jul 9, 2025CAII · Walk-around0CRAZY HORSE TRANSPORT LLC 2575446DJ6548/OK
Oct 31, 2024NVII · Walk-around2REAGENT CHEMICAL & RESEARCH LLC 31816DJ6548/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
REAGENT CHEMICAL & RESEARCH LLC31816Oct 31, 2024Feb 16, 20263NJ
CRAZY HORSE TRANSPORT LLC2575446Jul 9, 2025Jul 9, 20251NV
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.
DJ6548OKREAGENT CHEMICAL & RESEARCH LLCOct 31, 2024Feb 16, 20263
DJ6548OKCRAZY HORSE TRANSPORT LLCJul 9, 2025Jul 9, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026