Equipment unit · VIN-decoded · NHTSA vPIC

2021 Mac Trailer Manufacturing

5MAMN4822MW057456 · Trailer · TRAILER
Carriers run under3
19 mo
Inspections4
all-time
OOS inspections1
of 4
First seenSep 26, 2024
PA
Last seenApr 2, 2026
PA
Inspected under 3 different carriers in 19 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
5MAMN4822MW057456
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2021
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
MN482

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1991 or 2021

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

North American serial sequence
057456

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 · 347 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 347 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
2021

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 · Sep 26, 2024 – Apr 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 2, 2026PAII · Walk-around1OUTBACK TRUCKING LLC 4003127PT417J1/PA
Sep 29, 2025PAI · Full7OOSANVIL CFT LLC 3344711PT417J1/PA
Apr 4, 2025PAIII · Driver-only1ANVIL CFT LLC 3344711PT417J1/PA
Sep 26, 2024PAII · Walk-around1BIG W TRANSPORT LLC 3361979PT417J1/PA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OUTBACK TRUCKING LLC4003127Apr 2, 2026Apr 2, 20261MD
ANVIL CFT LLC3344711Apr 4, 2025Sep 29, 20252MD
BIG W TRANSPORT LLC3361979Sep 26, 2024Sep 26, 20241MD
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.
PT417J1PAOUTBACK TRUCKING LLCApr 2, 2026Apr 2, 20261
PT417J1PAANVIL CFT LLCApr 4, 2025Sep 29, 20252
PT417J1PABIG W TRANSPORT LLCSep 26, 2024Sep 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026