Equipment unit · VIN-decoded · NHTSA vPIC

2011 Kenworth T6 Series

1XKAD49X8BJ285418 · Truck-Tractor · TRUCK
T600
Carriers run under3
18 mo
Inspections5
all-time
OOS inspections5
of 5
First seenSep 18, 2024
TX
Last seenMar 23, 2026
TX
Inspected under 3 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
1XKAD49X8BJ285418
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 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
285418

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 · Sep 18, 2024 – Mar 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 23, 2026TXII · Walk-around11OOSROOVEL OILFIELD SERVICES LLC 44577671N57902/TX
Nov 7, 2025TXII · Walk-around14OOSSUNLAND TRUCKING INC 39403471N57902/TX
Jul 3, 2025TXII · Walk-around10OOSEESTI LLC 42328401N67987/TX
Nov 20, 2024TXII · Walk-around13OOSEESTI LLC 42328401N35835/TX
Sep 18, 2024TXI · Full13OOSEESTI LLC 42328401N35835/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROOVEL OILFIELD SERVICES LLC4457767Mar 23, 2026Mar 23, 20261TX
SUNLAND TRUCKING INC3940347Nov 7, 2025Nov 7, 20251TX
EESTI LLC4232840Sep 18, 2024Jul 3, 20253TX
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.
1N57902TXROOVEL OILFIELD SERVICES LLCMar 23, 2026Mar 23, 20261
1N57902TXSUNLAND TRUCKING INCNov 7, 2025Nov 7, 20251
1N67987TXEESTI LLCJul 3, 2025Jul 3, 20251
1N35835TXEESTI LLCSep 18, 2024Nov 20, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026