Equipment unit · VIN-decoded · NHTSA vPIC

50HFG4021P1101758

Not yet decoded
Carriers run under1
25 mo
Inspections3
all-time
OOS inspections3
of 3
First seenJul 27, 2023
TX
Last seenAug 15, 2025
TX
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
50H

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FG402

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1993 or 2023

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

North American serial sequence
101758

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
NORSTAR TRAILERS

Prefix basis · 87 decoded VINs at 100.0% prefix purity.

Model
Norstar Trailers

Prefix basis · 87 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 · Jul 27, 2023 – Aug 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 15, 2025TXII · Walk-around2OOSMCMAHON CONTRACTING LP 1864380308572M/TX
Aug 5, 2025TXI · Full9OOSMCMAHON CONTRACTING LP 1864380308572M/TX
Jul 27, 2023TXII · Walk-around13OOSMCMAHON CONTRACTING LP 1864380308572M/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MCMAHON CONTRACTING LP1864380Jul 27, 2023Aug 15, 20253TX
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.
308572MTXMCMAHON CONTRACTING LPJul 27, 2023Aug 15, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC