Equipment unit · VIN-decoded · NHTSA vPIC

2017 Mac Trailer Manufacturing

5MAPA4839HA039525 · Trailer · TRAILER
Carriers run under2
19 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJul 20, 2023
OH
Last seenFeb 28, 2025
OH
Inspected under 2 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
5MAPA4839HA039525
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 9, 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
9 · valid

Deterministic · position 9; calculated value 9.

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
039525

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
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 · Jul 20, 2023 – Feb 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 28, 2025OHIII · Driver-only0WITMER BROTHERS TRANSPORTATION INC 34331925094997/ME
Aug 8, 2024OHII · Walk-around3OOSWITMER BROTHERS TRANSPORTATION INC 34331925094997/ME
May 7, 2024OHIII · Driver-only0THE KAPLAN TRUCKING COMPANY 1206705094997/ME
Feb 2, 2024INI · Full18OOSWITMER BROTHERS TRANSPORTATION INC 34331925094997/ME
Jul 20, 2023OHII · Walk-around2WITMER BROTHERS TRANSPORTATION INC 34331925094997/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WITMER BROTHERS TRANSPORTATION INC3433192Jul 20, 2023Feb 28, 20254OH
THE KAPLAN TRUCKING COMPANY120670May 7, 2024May 7, 20241OH
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.
5094997MEWITMER BROTHERS TRANSPORTATION INCFeb 2, 2024Feb 28, 20253
5094997METHE KAPLAN TRUCKING COMPANYMay 7, 2024May 7, 20241
5094997OHWITMER BROTHERS TRANSPORTATION INCJul 20, 2023Jul 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026