Equipment unit · VIN-decoded · NHTSA vPIC

5MAPA4821FA031360

Not yet decoded
Carriers run under2
25 mo
Inspections2
all-time
OOS inspections2
of 2
First seenSep 13, 2023
UT
Last seenOct 22, 2025
NV
Inspected under 2 different carriers in 25 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
PA482

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1985 or 2015

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

North American serial sequence
031360

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 · 1,229 decoded VINs at 100.0% prefix purity.

Model
MAC TRAILER MANUFACTURING

Prefix basis · 1,229 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.

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 · Sep 13, 2023 – Oct 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 22, 2025NVII · Walk-around6OOSVIVAXIRO LOGISTICS LLC 3960032TG3246/ID
Sep 13, 2023UTII · Walk-around3OOSSKIDMORE TRANSPORTATION SERVICES INC 1183750TG3246/ID
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VIVAXIRO LOGISTICS LLC3960032Oct 22, 2025Oct 22, 20251UT
SKIDMORE TRANSPORTATION SERVICES INC1183750Sep 13, 2023Sep 13, 20231UT
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.
TG3246IDVIVAXIRO LOGISTICS LLCOct 22, 2025Oct 22, 20251
TG3246IDSKIDMORE TRANSPORTATION SERVICES INCSep 13, 2023Sep 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC