Equipment unit · VIN-decoded · NHTSA vPIC

1999 Mack CH

1M2AA18Y5XW096535 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under1
21 mo
Inspections3
all-time
OOS inspections0
of 3
First seenOct 8, 2024
VT
Last seenJul 2, 2026
VT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M2AA18Y5XW096535
Make
Mack
Model
CH
Model year
1999
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 25, 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
1M2

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AA18Y

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1999 or 2029

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

North American serial sequence
096535

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 · 156 decoded VINs at 100.0% prefix purity.

Model
CH

Prefix basis · 156 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
1999

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
INCOMPLETE VEHICLE

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 · Oct 8, 2024 – Jul 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 2, 2026VTII · Walk-around1BRIAN R TUPICK 5361939AP940NH/NH
Oct 31, 2024VTII · Walk-around0BRIAN R TUPICK 5361939AP940/VT
Oct 8, 2024VTIII · Driver-only0BRIAN R TUPICK 5361939AP940/NH
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BRIAN R TUPICK536193Oct 8, 2024Jul 2, 20263NH
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.
9AP940NHNH1BRIAN R TUPICKJul 2, 2026Jul 2, 20261
9AP940VTBRIAN R TUPICKOct 31, 2024Oct 31, 20241
9AP940NHBRIAN R TUPICKOct 8, 2024Oct 8, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026