Equipment unit · VIN-decoded · NHTSA vPIC

2014 Mac Trailer Manufacturing

5MADN3634EC025259 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections5
all-time
OOS inspections1
of 5
First seenNov 2, 2023
MN
Last seenMay 21, 2026
MN
Inspected under 2 different carriers in 30 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
5MADN3634EC025259
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2014
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 2, 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
DN363

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
025259

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 · 7 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 7 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 · Nov 2, 2023 – May 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 21, 2026MNIII · Driver-only1TRM TRUCKING LLC 341911427114STY/MN
May 13, 2026WIII · Walk-around3BARRETT LLC 2518359707500/WI
Aug 7, 2025MNI · Full8OOSTRM TRUCKING LLC 34191142714STY/MN
May 22, 2025MNIII · Driver-only2TRM TRUCKING LLC 34191142714STY/MN
Nov 2, 2023MNIII · Driver-only1TRM TRUCKING LLC 34191142714STY/MN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRM TRUCKING LLC3419114Nov 2, 2023May 21, 20264MN
BARRETT LLC2518359May 13, 2026May 13, 20261WI
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.
27114STYMNTRM TRUCKING LLCMay 21, 2026May 21, 20261
707500WIBARRETT LLCMay 13, 2026May 13, 20261
2714STYMNTRM TRUCKING LLCNov 2, 2023Aug 7, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 2, 2026