Equipment unit · VIN-decoded · NHTSA vPIC

1M1AN4GY4SM053756

Not yet decoded
Carriers run under2
3 mo
Inspections2
all-time
OOS inspections1
of 2
First seenApr 13, 2026
TX
Last seenJul 31, 2026
TX
Inspected under 2 different carriers in 3 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
1M1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AN4GY

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1995 or 2025

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

North American serial sequence
053756

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
MACK

Prefix basis · 7,931 decoded VINs at 100.0% prefix purity.

Model
Anthem

Prefix basis · 7,931 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 · Apr 13, 2026 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026TXII · Walk-around1OOSSAN ANTONIO STEEL COMPANY 274840R769919/TX
Apr 13, 2026TXII · Walk-around0MONTANO TRUCKING LLC 2784840R769919/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAN ANTONIO STEEL COMPANY274840Jul 31, 2026Jul 31, 20261TX
MONTANO TRUCKING LLC2784840Apr 13, 2026Apr 13, 20261WA
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.
R769919TX1SAN ANTONIO STEEL COMPANYJul 31, 2026Jul 31, 20261
R769919TXMONTANO TRUCKING LLCApr 13, 2026Apr 13, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC