Equipment unit · VIN-decoded · NHTSA vPIC

2016 Mac

558MGAM20GK001305 · Trailer · TRAILER
Carriers run under2
18 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJun 5, 2024
TX
Last seenDec 23, 2025
TX
Inspected under 2 different carriers in 18 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
558MGAM20GK001305
Make
Mac
Model
MAC
Model year
2016
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 24, 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
MGAM2

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
001305

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 · 4 decoded VINs at 100.0% prefix purity.

Model
MAC

Prefix basis · 4 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 · Jun 5, 2024 – Dec 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 23, 2025TXII · Walk-around8OOSVALLEY HL TRUCKING LLC 318919242P520N/TX
Jul 8, 2025TXII · Walk-around13OOSPKB EXPRESS LLC 3234752073C969/TX
Feb 21, 2025TXII · Walk-around5PKB EXPRESS LLC 323475216R972M/TX
Jan 27, 2025TXII · Walk-around0PKB EXPRESS LLC 3234752073C969/TX
Aug 12, 2024TXII · Walk-around4PKB EXPRESS LLC 3234752073C969/TX
Jun 5, 2024TXII · Walk-around9VALLEY HL TRUCKING LLC 3189192073C969/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VALLEY HL TRUCKING LLC3189192Jun 5, 2024Dec 23, 20252TX
PKB EXPRESS LLC3234752Aug 12, 2024Jul 8, 20254TX
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.
42P520NTXVALLEY HL TRUCKING LLCDec 23, 2025Dec 23, 20251
073C969TXPKB EXPRESS LLCAug 12, 2024Jul 8, 20253
16R972MTXPKB EXPRESS LLCFeb 21, 2025Feb 21, 20251
073C969TXVALLEY HL TRUCKING LLCJun 5, 2024Jun 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026