Equipment unit · VIN-decoded · NHTSA vPIC

1997 Mack CH

1M1AA13Y1VW082947 · Truck-Tractor · TRUCK
Carriers run under1
20 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 25, 2023
WV
Last seenMay 21, 2025
PA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AA13Y1VW082947
Make
Mack
Model
CH
Model year
1997
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 5, 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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1997 or 2027

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

North American serial sequence
082947

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
1997

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 · Sep 25, 2023 – May 21, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 21, 2025PAII · Walk-around0STONEBRAKERS TRANSIT LLC 1382097PWS7602/OH
Apr 4, 2025WVIII · Driver-only0STONEBRAKERS TRANSIT LLC 1382097PWS7602/OH
Apr 2, 2025PAII · Walk-around0STONEBRAKERS TRANSIT LLC 1382097PWS7602/OH
Sep 25, 2023WVII · Walk-around0STONEBRAKERS TRANSIT LLC 1382097PWS7602/OH
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STONEBRAKERS TRANSIT LLC1382097Sep 25, 2023May 21, 20254OH
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.
PWS7602OHSTONEBRAKERS TRANSIT LLCSep 25, 2023May 21, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026