Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mac

558MSB328PK007648 · Trailer · TRAILER
Carriers run under1
36 mo
Inspections15
all-time
OOS inspections0
of 15
First seenJun 19, 2023
AZ
Last seenJun 26, 2026
NM
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
558MSB328PK007648
Make
Mac
Model
MAC
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 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
MSB32

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1993 or 2023

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

North American serial sequence
007648

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 · 256 decoded VINs at 100.0% prefix purity.

Model
MAC

Prefix basis · 256 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
2023

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
Class 8: 33,001 lb and above (14,969 kg and above)

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 · Jun 19, 2023 – Jun 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 26, 2026NMI · Full0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
May 15, 2026NMII · Walk-around0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Jan 22, 2026NMII · Walk-around0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Jan 22, 2026NMII · Walk-around0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Sep 19, 2025NMII · Walk-around0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Aug 28, 2025NMI · Full0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
May 13, 2025NMII · Walk-around0TETON PETROLEUM TRANSPORT LLC 2353559Z5224285/UT
Apr 7, 2025NMI · Full0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Mar 6, 2025NMII · Walk-around0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Feb 7, 2025NMII · Walk-around0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Nov 13, 2024NMII · Walk-around0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Jun 17, 2024NMI · Full0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Sep 21, 2023TXII · Walk-around0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Sep 21, 2023NMI · Full0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
Jun 19, 2023AZI · Full0TETON PETROLEUM TRANSPORT LLC 2353559Z524285/UT
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TETON PETROLEUM TRANSPORT LLC2353559Jun 19, 2023Jun 26, 202615UT
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.
Z524285UT2TETON PETROLEUM TRANSPORT LLCJun 19, 2023Jun 26, 202614
Z5224285UTTETON PETROLEUM TRANSPORT LLCMay 13, 2025May 13, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026