Equipment unit · VIN-decoded · NHTSA vPIC

2024 Polar Tank Trailer

3H6KF432XR3167211 · Trailer · TRAILER
Carriers run under1
20 mo
Inspections11
all-time
OOS inspections2
of 11
First seenAug 28, 2024
NM
Last seenApr 10, 2026
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3H6KF432XR3167211
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 23, 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
3H6

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KF432

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1994 or 2024

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

North American serial sequence
167211

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 · 415 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 415 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
2024

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 · Aug 28, 2024 – Apr 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 10, 2026AZII · Walk-around1BED ROCK INC 1007292233C908/TX
Mar 12, 2026AZII · Walk-around1BED ROCK INC 1007292233C908/TX
Feb 24, 2026AZII · Walk-around1BED ROCK INC 1007292233C909/TX
Feb 5, 2026NMI · Full0BED ROCK INC 1007292233C908/TX
Sep 23, 2025AZII · Walk-around0BED ROCK INC 1007292233C907/TX
May 23, 2025NMI · Full0BED ROCK INC 1007292233C908/TX
Apr 9, 2025NMII · Walk-around1BED ROCK INC 1007292233C907/TX
Jan 4, 2025AZII · Walk-around0BED ROCK INC 1007292233C909/TX
Dec 28, 2024AZII · Walk-around2OOSBED ROCK INC 1007292233C908/TX
Sep 4, 2024NMII · Walk-around0BED ROCK INC 1007292233C908/TX
Aug 28, 2024NMI · Full1OOSBED ROCK INC 1007292233C908/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BED ROCK INC1007292Aug 28, 2024Apr 10, 202611MO
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.
233C908TX2BED ROCK INCAug 28, 2024Apr 10, 20267
233C909TX2BED ROCK INCJan 4, 2025Feb 24, 20262
233C907TX2BED ROCK INCApr 9, 2025Sep 23, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026