Equipment unit · VIN-decoded · NHTSA vPIC

2017 Mac Trailer Manufacturing

5MAMN4820HW039639 · Trailer · TRAILER
Carriers run under2
13 mo
Inspections4
all-time
OOS inspections3
of 4
First seenJun 27, 2025
VA
Last seenJul 22, 2026
VA
Inspected under 2 different carriers in 13 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
5MAMN4820HW039639
Make
Mac Trailer Manufacturing
Model
MAC TRAILER MANUFACTURING
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 31, 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
MN482

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
039639

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 · 347 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 347 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 · Jun 27, 2025 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026VAII · Walk-around10OOSJAY JAY HAULING LLC 42333062647442/ME
Jul 22, 2026VAII · Walk-around10OOSJAY JAY HAULING LLC 42333062647442/ME
Jul 22, 2026VAII · Walk-around10OOSJAY JAY HAULING LLC 42333062647442/ME
Jun 27, 2025VAIII · Driver-only0THOMPSON TRUCKING INC 2638632647442/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JAY JAY HAULING LLC4233306Jul 22, 2026Jul 22, 20263VA
THOMPSON TRUCKING INC263863Jun 27, 2025Jun 27, 20251VA
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.
2647442ME2JAY JAY HAULING LLCJul 22, 2026Jul 22, 20263
2647442METHOMPSON TRUCKING INCJun 27, 2025Jun 27, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026