Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mac Trailer Manufacturing

5MAPA4829PH066348 · Trailer · TRAILER
Carriers run under3
15 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 12, 2024
OK
Last seenMar 26, 2026
UT
Inspected under 3 different carriers in 15 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
5MAPA4829PH066348
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 17, 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
5MA

Deterministic · VIN positions 1–3.

Vehicle descriptor section
PA482

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
066348

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 TRAILER MANUFACTURING

Prefix basis · 1,229 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 1,229 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 TRAILER MANUFACTURING

Observed directly for this VIN via NHTSA vPIC.

Observed model
MAC TRAILER MANUFACTURING

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 · Dec 12, 2024 – Mar 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 26, 2026UTIII · Driver-only0GRINDERS SWITCH TRUCKING LLC 1956947DT6332/OK
Mar 26, 2026UTIII · Driver-only0ANDRUS TRANSPORTATION SERVICES INC 167651DT6332/OK
Dec 18, 2024OKIII · Driver-only0LOUISIANA-PACIFIC CORPORATION 146001133B542/TX
Dec 12, 2024OKIII · Driver-only0LOUISIANA-PACIFIC CORPORATION 146001133B542/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ANDRUS TRANSPORTATION SERVICES INC167651Mar 26, 2026Mar 26, 20261UT
GRINDERS SWITCH TRUCKING LLC1956947Mar 26, 2026Mar 26, 20261TX
LOUISIANA-PACIFIC CORPORATION146001Dec 12, 2024Dec 18, 20242TN
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.
DT6332OKANDRUS TRANSPORTATION SERVICES INCMar 26, 2026Mar 26, 20261
DT6332OKGRINDERS SWITCH TRUCKING LLCMar 26, 2026Mar 26, 20261
133B542TXLOUISIANA-PACIFIC CORPORATIONDec 12, 2024Dec 18, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026