Equipment unit · VIN-decoded · NHTSA vPIC

2016 Mac

558MTBR28GK001904 · Trailer · TRAILER
Carriers run under1
19 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 19, 2023
MD
Last seenFeb 19, 2025
MD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
558MTBR28GK001904
Make
Mac
Model
MAC
Model year
2016
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
MTBR2

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1986 or 2016

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

North American serial sequence
001904

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 · 215 decoded VINs at 100.0% prefix purity.

Model
MAC

Prefix basis · 215 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
2016

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 · Jul 19, 2023 – Feb 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 19, 2025MDII · Walk-around0PETRO EXPRESS CO INC 351509137269X/MD
Feb 17, 2025MDII · Walk-around1OOSPETRO EXPRESS CO INC 351509137269X/MD
Sep 5, 2023MDII · Walk-around0PETRO EXPRESS CO INC 351509135196X/MD
Jul 19, 2023MDII · Walk-around1PETRO EXPRESS CO INC 351509137269X/MD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PETRO EXPRESS CO INC351509Jul 19, 2023Feb 19, 20254MD
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.
137269XMDPETRO EXPRESS CO INCJul 19, 2023Feb 19, 20253
135196XMDPETRO EXPRESS CO INCSep 5, 2023Sep 5, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 16, 2026