Equipment unit · VIN-decoded · NHTSA vPIC

2013 Mac Trailer Manufacturing

5MADN4021DC025935 · Trailer · TRAILER
Carriers run under4
15 mo
Inspections6
all-time
OOS inspections4
of 6
First seenMar 18, 2024
IN
Last seenJun 27, 2025
WV
Inspected under 4 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
5MADN4021DC025935
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2013
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
DN402

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1983 or 2013

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

North American serial sequence
025935

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 · 615 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 615 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
2013

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 · Mar 18, 2024 – Jun 27, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 27, 2025WVII · Walk-around2CLINCH MOUNTAIN TRANSPORT INC 487665U972342/TN
Jun 17, 2025TXII · Walk-around6OOSNC TRANSPORT LLC 4300801205C521/TX
Jun 16, 2025TXII · Walk-around6OOSNC TRANSPORT LLC 4300801205C521/TX
Dec 31, 2024TXII · Walk-around11OOSAMIL TRANSPORT LLC 4227932205C521/TX
May 27, 2024TXII · Walk-around8OOSML TRANSPORT SERVICES LLC 396437688S580M/TX
Mar 18, 2024INII · Walk-around4CLINCH MOUNTAIN TRANSPORT INC 487665U394929/TN
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CLINCH MOUNTAIN TRANSPORT INC487665Mar 18, 2024Jun 27, 20252TN
NC TRANSPORT LLC4300801Jun 16, 2025Jun 17, 20252TX
AMIL TRANSPORT LLC4227932Dec 31, 2024Dec 31, 20241TX
ML TRANSPORT SERVICES LLC3964376May 27, 2024May 27, 20241TX
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.
U972342TNCLINCH MOUNTAIN TRANSPORT INCJun 27, 2025Jun 27, 20251
205C521TXNC TRANSPORT LLCJun 16, 2025Jun 17, 20252
205C521TXAMIL TRANSPORT LLCDec 31, 2024Dec 31, 20241
88S580MTXML TRANSPORT SERVICES LLCMay 27, 2024May 27, 20241
U394929TNCLINCH MOUNTAIN TRANSPORT INCMar 18, 2024Mar 18, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026