Equipment unit · VIN-decoded · NHTSA vPIC

2016 Mack CXU (Pinnacle)

1M1AW21Y2GM057905 · Truck-Tractor · TRUCK
Carriers run under3
11 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 9, 2025
UT
Last seenJun 11, 2026
VT
Inspected under 3 different carriers in 11 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
1M1AW21Y2GM057905
Make
Mack
Model
CXU (Pinnacle)
Model year
2016
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
1986 or 2016

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

North American serial sequence
057905

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
2016

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 9, 2025 – Jun 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 11, 2026VTIII · Driver-only1UNITRANSPORT LLC 4550986K693AA/NJ
Jul 22, 2025WAIII · Driver-only3PINGVIN EXPRESS LLC 4335257AZ790P/NJ
Jul 11, 2025IAIII · Driver-only3GREENWAY 5 LLC 3865774AZ790P/NJ
Jul 9, 2025UTI · Full12OOSPINGVIN EXPRESS LLC 4335257AZ79OP/NJ
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNITRANSPORT LLC4550986Jun 11, 2026Jun 11, 20261WA
PINGVIN EXPRESS LLC4335257Jul 9, 2025Jul 22, 20252IL
GREENWAY 5 LLC3865774Jul 11, 2025Jul 11, 20251CT
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.
K693AANJUNITRANSPORT LLCJun 11, 2026Jun 11, 20261
AZ790PNJPINGVIN EXPRESS LLCJul 22, 2025Jul 22, 20251
AZ790PNJGREENWAY 5 LLCJul 11, 2025Jul 11, 20251
AZ79OPNJPINGVIN EXPRESS LLCJul 9, 2025Jul 9, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026