Equipment unit · VIN-decoded · NHTSA vPIC

1987 Kenworth T600

1XKADB9X8HJ344609 · Truck-Tractor · TRUCK
Carriers run under3
38 mo
Inspections30
all-time
OOS inspections20
of 30
First seenAug 29, 2023
TX
Last seenOct 20, 2026
TX
Inspected under 3 different carriers in 38 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
1XKADB9X8HJ344609
Make
Kenworth
Model
T600
Model year
1987
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Oct 9, 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
ADB9X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1987 or 2017

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

North American serial sequence
344609

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
1987

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T600

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 29, 2023 – Oct 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 20, 2026TXII · Walk-around5OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Sep 29, 2026TXII · Walk-around10OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Apr 29, 2026TXI · Full28OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/TA
Feb 4, 2026TXII · Walk-around12OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/TA
Jan 14, 2026TXI · Full6OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/TA
Dec 29, 2025TXII · Walk-around7—EDGAR AGUILERA VASQUEZ 1481592975ST5/TA
Oct 17, 2025TXII · Walk-around5—EDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Sep 11, 2025TXI · Full11—EDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Aug 28, 2025TXI · Full20OOSOLIVO RAMIREZ LOZANO 1199569975ST5/MX
Jul 26, 2025USI · Full3OOSLUIS ALEJANDRO RAMIREZ LUCIO 2946745975ST5/MX
Jun 11, 2025TXI · Full16OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/TA
Feb 11, 2025USI · Full5OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Feb 7, 2025TXII · Walk-around6—EDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Dec 30, 2024TXII · Walk-around2OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Nov 18, 2024TXII · Walk-around9OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Oct 30, 2024USI · Full6OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Sep 25, 2024TXIII · Driver-only2—EDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Sep 6, 2024TXII · Walk-around12—EDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Aug 14, 2024TXIII · Driver-only1—EDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Aug 6, 2024TXII · Walk-around10OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Jul 25, 2024TXII · Walk-around10OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Jun 27, 2024TXII · Walk-around13OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Jun 13, 2024TXI · Full5—EDGAR AGUILERA VASQUEZ 1481592975ST5/MX
May 27, 2024TXII · Walk-around20OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Apr 17, 2024TXII · Walk-around12OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Mar 8, 2024TXII · Walk-around16OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/TA
Mar 1, 2024TXII · Walk-around3OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/TA
Dec 11, 2023TXII · Walk-around2—EDGAR AGUILERA VASQUEZ 1481592975ST5/TA
Oct 17, 2023USI · Full5—EDGAR AGUILERA VASQUEZ 1481592975ST5/MX
Aug 29, 2023TXI · Full15OOSEDGAR AGUILERA VASQUEZ 1481592975ST5/MX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EDGAR AGUILERA VASQUEZ1481592Aug 29, 2023Oct 20, 202628TA
OLIVO RAMIREZ LOZANO1199569Aug 28, 2025Aug 28, 20251TA
LUIS ALEJANDRO RAMIREZ LUCIO2946745Jul 26, 2025Jul 26, 20251TA
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.
975ST5MX1EDGAR AGUILERA VASQUEZAug 29, 2023 → Oct 20, 202620
975ST5TA—EDGAR AGUILERA VASQUEZDec 11, 2023 → Apr 29, 20268
975ST5MX—OLIVO RAMIREZ LOZANOAug 28, 2025 → Aug 28, 20251
975ST5MX—LUIS ALEJANDRO RAMIREZ LUCIOJul 26, 2025 → Jul 26, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Oct 9, 2026