Equipment unit · VIN-decoded · NHTSA vPIC

2001 Mac Trailer Manufacturing

5MAMN45291C004187 · Trailer · TRAILER
Carriers run under2
15 mo
Inspections12
all-time
OOS inspections7
of 12
First seenFeb 5, 2025
PA
Last seenMay 27, 2026
PA
Inspected under 2 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
5MAMN45291C004187
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2001
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
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
5MA

Deterministic · VIN positions 1–3.

Vehicle descriptor section
MN452

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
2001 or 2031

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

North American serial sequence
004187

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 · 27 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 27 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
2001

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 · Feb 5, 2025 – May 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 27, 2026PAI · Full16OOSCOAST TO COAST CARRIER LLC 4452829PT528X0/PA
Apr 6, 2026PAII · Walk-around2OOSCOAST TO COAST CARRIER LLC 4452829PT528X0/PA
Dec 3, 2025PAIII · Driver-only2COAST TO COAST CARRIER LLC 4452829XRG4513/PA
Sep 19, 2025PAIII · Driver-only0SOUTHWEST METALS LLC 2355846PT538W5/PA
Sep 12, 2025PAII · Walk-around5OOSSOUTHWEST METALS LLC 2355846XRG4513/PA
Sep 9, 2025PAIII · Driver-only2SOUTHWEST METALS LLC 2355846XRG4513/PA
May 12, 2025PAI · Full17OOSSOUTHWEST METALS LLC 2355846XRG4513/PA
May 7, 2025PAII · Walk-around10OOSSOUTHWEST METALS LLC 2355846XRG4513/PA
Apr 24, 2025PAII · Walk-around5OOSSOUTHWEST METALS LLC 2355846XRG4513/PA
Apr 9, 2025PAII · Walk-around3OOSSOUTHWEST METALS LLC 2355846XRG4513/PA
Feb 17, 2025PAII · Walk-around8SOUTHWEST METALS LLC 2355846XRG4513/PA
Feb 5, 2025PAII · Walk-around4SOUTHWEST METALS LLC 2355846XRG4513/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COAST TO COAST CARRIER LLC4452829Dec 3, 2025May 27, 20263PA
SOUTHWEST METALS LLC2355846Feb 5, 2025Sep 19, 20259PA
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.
PT528X0PACOAST TO COAST CARRIER LLCApr 6, 2026May 27, 20262
XRG4513PACOAST TO COAST CARRIER LLCDec 3, 2025Dec 3, 20251
PT538W5PASOUTHWEST METALS LLCSep 19, 2025Sep 19, 20251
XRG4513PASOUTHWEST METALS LLCFeb 5, 2025Sep 12, 20258
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026