Equipment unit · VIN-decoded · NHTSA vPIC

2007 Kenworth T8 Series

1XKDD49X57J188195 · Truck-Tractor · TRUCK
T800
Carriers run under3
30 mo
Inspections9
all-time
OOS inspections4
of 9
First seenJun 28, 2023
TX
Last seenDec 10, 2025
TX
Inspected under 3 different carriers in 30 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
1XKDD49X57J188195
Make
Kenworth
Model
T8 Series
Model year
2007
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 20, 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
DD49X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
2007 or 2037

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

North American serial sequence
188195

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 · 1,944 decoded VINs at 93.9% prefix purity.

Model
T8 Series

Prefix basis · 1,944 decoded VINs at 93.9% prefix purity.

Model line
T800

Sourced label · prefix basis 1,944 decoded VINs at 93.9% 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
2007

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T8 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 · Jun 28, 2023 – Dec 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 10, 2025TXI · Full10OOSFIVE STAR LEASING LLC 42140821M75373/TX
Jan 6, 2025TXII · Walk-around1F C CASAS TRUCKING LLC 42137601M75373/TX
Nov 5, 2024TXII · Walk-around1F C CASAS TRUCKING LLC 42137601M75373/TX
Aug 15, 2024TXII · Walk-around3OOSF C CASAS TRUCKING LLC 42137601M75373/TX
Jun 24, 2024TXII · Walk-around1F C CASAS TRUCKING LLC 42137601M75373/TX
May 16, 2024TXI · Full9OOSF C CASAS TRUCKING LLC 42137601M75373/TX
Feb 1, 2024TXI · Full7OOSFIVE STAR READY MIX LLC 28697901M75373/TX
Aug 3, 2023TXII · Walk-around4FIVE STAR READY MIX LLC 28697901M75373/TX
Jun 28, 2023TXII · Walk-around2FIVE STAR READY MIX LLC 28697901M75373/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FIVE STAR LEASING LLC4214082Dec 10, 2025Dec 10, 20251TX
F C CASAS TRUCKING LLC4213760May 16, 2024Jan 6, 20255TX
FIVE STAR READY MIX LLC2869790Jun 28, 2023Feb 1, 20243TX
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.
1M75373TXFIVE STAR LEASING LLCDec 10, 2025Dec 10, 20251
1M75373TXF C CASAS TRUCKING LLCMay 16, 2024Jan 6, 20255
1M75373TXFIVE STAR READY MIX LLCJun 28, 2023Feb 1, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026