Equipment unit · VIN-decoded · NHTSA vPIC

1M1AA18Y75N157620

Not yet decoded
Carriers run under2
26 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 27, 2024
TX
Last seenAug 10, 2026
TX
Inspected under 2 different carriers in 26 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
AA18Y

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2005 or 2035

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

North American serial sequence
157620

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 · 365 decoded VINs at 100.0% prefix purity.

Model
CH

Prefix basis · 365 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 · Jun 27, 2024 – Aug 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 10, 2026TXIII · Driver-only1HIRE ENERGY OFS LLC 4363879P272461/LA
Jun 27, 2024TXII · Walk-around1DOC ENERGY SERVICES INC 509015P272461/LA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HIRE ENERGY OFS LLC4363879Aug 10, 2026Aug 10, 20261TX
DOC ENERGY SERVICES INC509015Jun 27, 2024Jun 27, 20241LA
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.
P272461LA1HIRE ENERGY OFS LLCAug 10, 2026Aug 10, 20261
P272461LADOC ENERGY SERVICES INCJun 27, 2024Jun 27, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC