Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mac

558MTBN22JB003824 · Trailer · TRAILER
Carriers run under3
28 mo
Inspections4
all-time
OOS inspections0
of 4
First seenOct 18, 2023
AZ
Last seenFeb 26, 2026
CA
Inspected under 3 different carriers in 28 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
558MTBN22JB003824
Make
Mac
Model
MAC
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 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
558

Deterministic · VIN positions 1–3.

Vehicle descriptor section
MTBN2

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
003824

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
MAC

Prefix basis · 49 decoded VINs at 100.0% prefix purity.

Model
MAC

Prefix basis · 49 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
MAC

Observed directly for this VIN via NHTSA vPIC.

Observed model
MAC

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 18, 2023 – Feb 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 26, 2026CAII · Walk-around0HOLT OF CALIFORNIA 23328134WN9357/CA
Dec 29, 2025CAII · Walk-around0PACIFIC WEST COAST TRANSPORTATION LLC 14778884WN9357/CA
Dec 14, 2025CAII · Walk-around0PACIFIC WEST COAST TRANSPORTATION LLC 14778884WN9357/CA
Oct 18, 2023AZIII · Driver-only0MAVERIK LOGISTICS LLC 159536Z516621/UT
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HOLT OF CALIFORNIA2332813Feb 26, 2026Feb 26, 20261CA
PACIFIC WEST COAST TRANSPORTATION LLC1477888Dec 14, 2025Dec 29, 20252CA
MAVERIK LOGISTICS LLC159536Oct 18, 2023Oct 18, 20231UT
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.
4WN9357CAHOLT OF CALIFORNIAFeb 26, 2026Feb 26, 20261
4WN9357CAPACIFIC WEST COAST TRANSPORTATION LLCDec 14, 2025Dec 29, 20252
Z516621UTMAVERIK LOGISTICS LLCOct 18, 2023Oct 18, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 16, 2026