Equipment unit · VIN-decoded · NHTSA vPIC

1994 Mack CH

1M2AA12Y2RW038541 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under2
28 mo
Inspections5
all-time
OOS inspections2
of 5
First seenOct 19, 2023
TX
Last seenFeb 24, 2026
TX
Inspected under 2 different carriers in 28 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
1M2AA12Y2RW038541
Make
Mack
Model
CH
Model year
1994
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 29, 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
AA12Y

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1994 or 2024

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

North American serial sequence
038541

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 · 19 decoded VINs at 100.0% prefix purity.

Model
CH

Prefix basis · 19 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
1994

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 19, 2023 – Feb 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 24, 2026TXI · Full9OOSROYALTY DUMP TRUCK SERVICE LLC 4374365WDH7042/TX
May 23, 2025TXI · Full7OOSROYALTY DUMP TRUCK SERVICE LLC 4374365WDH7042/TX
Jan 8, 2025TXI · Full10MARIO CORONA 1948459GRJ9121/TX
Jul 2, 2024TXII · Walk-around3MARIO CORONA 1948459GRJ9121/TX
Oct 19, 2023TXI · Full5MARIO CORONA 1948459GRJ9121/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROYALTY DUMP TRUCK SERVICE LLC4374365May 23, 2025Feb 24, 20262TX
MARIO CORONA1948459Oct 19, 2023Jan 8, 20253TX
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.
WDH7042TXROYALTY DUMP TRUCK SERVICE LLCMay 23, 2025Feb 24, 20262
GRJ9121TXMARIO CORONAOct 19, 2023Jan 8, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026