Equipment unit · VIN-decoded · NHTSA vPIC

2017 Mac Trailer Manufacturing

5MADN4025HK037811 · Trailer · TRAILER
Carriers run under1
12 mo
Inspections5
all-time
OOS inspections0
of 5
First seenFeb 7, 2025
OK
Last seenFeb 17, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5MADN4025HK037811
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 14, 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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1987 or 2017

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

North American serial sequence
037811

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
2017

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 7, 2025 – Feb 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 17, 2026TXII · Walk-around0DALE BROWN INC 653828DT1599/OK
Feb 3, 2026TXI · Full1DALE BROWN INC 653828DT1599/OK
Nov 4, 2025OKIII · Driver-only2DALE BROWN INC 653828DT1599/OK
Oct 20, 2025TXII · Walk-around1DALE BROWN INC 6538288084KM/OK
Feb 7, 2025OKIII · Driver-only0DALE BROWN INC 6538288084KM/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DALE BROWN INC653828Feb 7, 2025Feb 17, 20265OK
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.
DT1599OK2DALE BROWN INCNov 4, 2025Feb 17, 20263
8084KMOK2DALE BROWN INCFeb 7, 2025Oct 20, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026