Equipment unit · VIN-decoded · NHTSA vPIC

2001 Mack CH

1M1AA13Y61W138214 · Truck-Tractor · TRUCK
Carriers run under1
33 mo
Inspections8
all-time
OOS inspections4
of 8
First seenJul 19, 2023
TX
Last seenApr 9, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AA13Y61W138214
Make
Mack
Model
CH
Model year
2001
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
1M1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AA13Y

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
2001 or 2031

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

North American serial sequence
138214

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 · 357 decoded VINs at 100.0% prefix purity.

Model
CH

Prefix basis · 357 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
2001

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
CH

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

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 · Jul 19, 2023 – Apr 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 9, 2026TXIII · Driver-only0SERGIO ROMERO FLORES 35895871M88403/TX
Dec 26, 2025TXII · Walk-around4OOSSERGIO ROMERO FLORES 35895871M88403/TX
Jul 22, 2025TXIII · Driver-only0SERGIO ROMERO FLORES 35895871M88403/TX
Mar 3, 2025TXII · Walk-around7OOSSERGIO ROMERO FLORES 35895871M88403/TX
Feb 26, 2025TXII · Walk-around6OOSSERGIO ROMERO FLORES 35895871M88403/TX
Aug 21, 2024TXII · Walk-around9SERGIO ROMERO FLORES 35895871M88403/TX
Feb 26, 2024TXII · Walk-around13OOSSERGIO ROMERO FLORES 35895871M88403/TX
Jul 19, 2023TXII · Walk-around5SERGIO ROMERO FLORES 35895871M88403/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SERGIO ROMERO FLORES3589587Jul 19, 2023Apr 9, 20268TX
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.
1M88403TXSERGIO ROMERO FLORESJul 19, 2023Apr 9, 20268
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026