Equipment unit · VIN-decoded · NHTSA vPIC

2014 Mac Trailer Manufacturing

5MAPA4835EA028484 · Trailer · TRAILER
Carriers run under2
18 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 12, 2024
KY
Last seenJan 14, 2026
OH
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
5MAPA4835EA028484
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2014
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
PA483

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1984 or 2014

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

North American serial sequence
028484

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 · 67 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 67 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
2014

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 12, 2024 – Jan 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 14, 2026OHII · Walk-around9GEORGE NELSON MASSEY 8511175267802/OH
Apr 9, 2025MIII · Walk-around2NORTHERN STEEL TRANSPORT CO 1544545267802/ME
Sep 26, 2024MIIII · Driver-only1NORTHERN STEEL TRANSPORT CO 1544545267802/ME
Jul 12, 2024KYIII · Driver-only2OOSNORTHERN STEEL TRANSPORT CO 1544545267802/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GEORGE NELSON MASSEY851117Jan 14, 2026Jan 14, 20261OH
NORTHERN STEEL TRANSPORT CO154454Jul 12, 2024Apr 9, 20253OH
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.
5267802OHGEORGE NELSON MASSEYJan 14, 2026Jan 14, 20261
5267802MENORTHERN STEEL TRANSPORT COJul 12, 2024Apr 9, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026