Equipment unit · VIN-decoded · NHTSA vPIC

2015 Mack CXU (Pinnacle)

1M1AW21Y2FM050547 · Truck-Tractor · TRUCK
Carriers run under1
36 mo
Inspections5
all-time
OOS inspections3
of 5
First seenJul 21, 2023
MO
Last seenJul 31, 2026
KY
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AW21Y2FM050547
Make
Mack
Model
CXU (Pinnacle)
Model year
2015
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
AW21Y

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1985 or 2015

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

North American serial sequence
050547

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 · 352 decoded VINs at 100.0% prefix purity.

Model
CXU (Pinnacle)

Prefix basis · 352 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
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
CXU (Pinnacle)

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 21, 2023 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026KYII · Walk-around0ROCKING C TRUCK LINES INC 276943A524073/MS
Jun 2, 2026TNI · Full4OOSROCKING C TRUCK LINES INC 276943A524073/MS
May 12, 2026KYII · Walk-around1OOSROCKING C TRUCK LINES INC 276943A524073/MS
Aug 28, 2023MOIII · Driver-only0ROCKING C TRUCK LINES INC 276943A451124/MS
Jul 21, 2023MOII · Walk-around3OOSROCKING C TRUCK LINES INC 276943A451124/MS
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKING C TRUCK LINES INC276943Jul 21, 2023Jul 31, 20265MS
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.
A524073MS1ROCKING C TRUCK LINES INCMay 12, 2026Jul 31, 20263
A451124MSROCKING C TRUCK LINES INCJul 21, 2023Aug 28, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026