Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T3 Series

2NKHHM6XXJM198743 · Truck · INCOMPLETE VEHICLE
Carriers run under2
18 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJun 26, 2023
TN
Last seenDec 16, 2024
TN
Inspected under 2 different carriers in 18 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
2NKHHM6XXJM198743
Make
Kenworth
Model
T3 Series
Model year
2018
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)
Decoded at
Jun 30, 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
2NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
HHM6X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1988 or 2018

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

North American serial sequence
198743

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 · 2,103 decoded VINs at 97.4% prefix purity.

Model
T3 Series

Prefix basis · 2,103 decoded VINs at 97.4% 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T3 Series

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 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)

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 · Jun 26, 2023 – Dec 16, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 16, 2024TNII · Walk-around0ROCKSTAR LOGISTICS LLC 3895487H475958/TN
Aug 20, 2024NCII · Walk-around0ROCKSTAR LOGISTICS LLC 3895487H475958/TN
Jul 31, 2024NCII · Walk-around0ROCKSTAR LOGISTICS LLC 3895487H475958/TN
Dec 26, 2023NCII · Walk-around1ROCKSTAR LOGISTICS LLC 3895487H475958/TN
Jun 26, 2023TNIII · Driver-only0STEPP TRUCKING LLC 3146367H475958/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKSTAR LOGISTICS LLC3895487Dec 26, 2023Dec 16, 20244TN
STEPP TRUCKING LLC3146367Jun 26, 2023Jun 26, 20231GA
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.
H475958TNROCKSTAR LOGISTICS LLCDec 26, 2023Dec 16, 20244
H475958TNSTEPP TRUCKING LLCJun 26, 2023Jun 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026