Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mac Trailer Manufacturing

5MAPA502XJA043176 · Trailer · TRAILER
Carriers run under1
26 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJul 18, 2023
PA
Last seenSep 4, 2025
PA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5MAPA502XJA043176
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 12, 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
PA502

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
043176

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 · 15 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 15 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 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 · Jul 18, 2023 – Sep 4, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 4, 2025PAII · Walk-around3OAK TRAIL ENTERPRISES LLC 2451576PT414J3/PA
Apr 30, 2025VAII · Walk-around0OAK TRAIL ENTERPRISES LLC 2451576PT414J3/PA
Mar 10, 2025PAII · Walk-around4OAK TRAIL ENTERPRISES LLC 2451576PT414J3/PA
Jan 28, 2025DEII · Walk-around1OOSOAK TRAIL ENTERPRISES LLC 2451576PT414J3/PA
Aug 15, 2023PAIII · Driver-only5OAK TRAIL ENTERPRISES LLC 2451576PT414J3/PA
Jul 18, 2023PAII · Walk-around4OAK TRAIL ENTERPRISES LLC 2451576PT414J3/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OAK TRAIL ENTERPRISES LLC2451576Jul 18, 2023Sep 4, 20256PA
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.
PT414J3PAOAK TRAIL ENTERPRISES LLCJul 18, 2023Sep 4, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 12, 2026