Equipment unit · VIN-decoded · NHTSA vPIC

2011 Kenworth T6 Series

1XKAD49X2BJ285429 · Truck-Tractor · TRUCK
T600
Carriers run under2
15 mo
Inspections7
all-time
OOS inspections1
of 7
First seenJul 26, 2023
CA
Last seenOct 22, 2024
CA
Inspected under 2 different carriers in 15 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
1XKAD49X2BJ285429
Make
Kenworth
Model
T6 Series
Model year
2011
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AD49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1981 or 2011

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

North American serial sequence
285429

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 · 5,142 decoded VINs at 90.1% prefix purity.

Model
T6 Series

Prefix basis · 5,142 decoded VINs at 90.1% prefix purity.

Model line
T600

Sourced label · prefix basis 5,142 decoded VINs at 90.1% prefix purity.

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
2011

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T6 Series

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 26, 2023 – Oct 22, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 22, 2024CAI · Full6HIGH ROLLERS TRANSPORT LLC 2877894ZP00093/CA
Mar 26, 2024NVII · Walk-around8HIGH ROLLERS TRANSPORT LLC 2877894ZP00093/CA
Feb 14, 2024CAII · Walk-around3OOSHIGH ROLLERS TRANSPORT LLC 2877894ZP00093/CA
Jan 22, 2024NVII · Walk-around0HIGH ROLLERS TRANSPORT LLC 2877894ZP00093/CA
Dec 5, 2023NVIII · Driver-only3HIGH ROLLERS TRANSPORT LLC 2877894ZP00093/CA
Nov 15, 2023CAII · Walk-around2HIGH ROLLERS TRANSPORT LLC 2877894ZP00093/CA
Jul 26, 2023CAI · Full5MADUENO TRUCKING LLC 18725069F64801/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HIGH ROLLERS TRANSPORT LLC2877894Nov 15, 2023Oct 22, 20246CA
MADUENO TRUCKING LLC1872506Jul 26, 2023Jul 26, 20231CA
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.
ZP00093CAHIGH ROLLERS TRANSPORT LLCNov 15, 2023Oct 22, 20246
9F64801CAMADUENO TRUCKING LLCJul 26, 2023Jul 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026