Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T880

1NKZXPTX5MJ464310 · Truck · INCOMPLETE VEHICLE
Carriers run under2
22 mo
Inspections5
all-time
OOS inspections2
of 5
First seenSep 7, 2023
NC
Last seenJul 22, 2025
SC
Inspected under 2 different carriers in 22 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
1NKZXPTX5MJ464310
Make
Kenworth
Model
T880
Model year
2021
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ZXPTX

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1991 or 2021

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

North American serial sequence
464310

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
KENWORTH

Prefix basis · 2,049 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 2,049 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T880

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

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 · Sep 7, 2023 – Jul 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2025SCIII · Driver-only2OOSREDSTONE MATERIALS INC 2822712VW1645/NC
Mar 22, 2025NCII · Walk-around0REDSTONE MATERIALS INC 2822712VW1645/NC
May 7, 2024SCIII · Driver-only0MGK II MANAGEMENT & CONSTRUCTION LLC 3101591NM4595/NC
Mar 5, 2024NCII · Walk-around1OOSMGK II MANAGEMENT & CONSTRUCTION LLC 3101591NM4595/NC
Sep 7, 2023NCIII · Driver-only0MGK II MANAGEMENT & CONSTRUCTION LLC 3101591NM4595/NC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
REDSTONE MATERIALS INC2822712Mar 22, 2025Jul 22, 20252NC
MGK II MANAGEMENT & CONSTRUCTION LLC3101591Sep 7, 2023May 7, 20243NC
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.
VW1645NCREDSTONE MATERIALS INCMar 22, 2025Jul 22, 20252
NM4595NCMGK II MANAGEMENT & CONSTRUCTION LLCSep 7, 2023May 7, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026