Equipment unit · VIN-decoded · NHTSA vPIC

2001 Mack CH

1M1AA13Y41W140317 · Truck-Tractor · TRUCK
Carriers run under2
26 mo
Inspections4
all-time
OOS inspections3
of 4
First seenJun 17, 2024
TX
Last seenAug 4, 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

VIN
1M1AA13Y41W140317
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
Jul 24, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
140317

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 · Jun 17, 2024 – Aug 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 4, 2026TXIII · Driver-only0ALBA TRUCKING LLC 3320469XLF8633/TX
Mar 14, 2026TXIII · Driver-only4OOSALBA TRUCKING LLC 332046979U616N/TX
Apr 9, 2025TXII · Walk-around7OOSALBA TRUCKING & SONS LLC 4303335SXK1046/TX
Jun 17, 2024TXI · Full6OOSALBA TRUCKING LLC 3320469SXK1046/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALBA TRUCKING LLC3320469Jun 17, 2024Aug 4, 20263TX
ALBA TRUCKING & SONS LLC4303335Apr 9, 2025Apr 9, 20251TX
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.
XLF8633TX1ALBA TRUCKING LLCAug 4, 2026Aug 4, 20261
79U616NTXALBA TRUCKING LLCMar 14, 2026Mar 14, 20261
SXK1046TXALBA TRUCKING & SONS LLCApr 9, 2025Apr 9, 20251
SXK1046TXALBA TRUCKING LLCJun 17, 2024Jun 17, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 24, 2026