Equipment unit · VIN-decoded · NHTSA vPIC

1993 Kenworth T600

3WK4DJ9X6PF335384 · Truck-Tractor · TRUCK
Carriers run under2
38 mo
Inspections35
all-time
OOS inspections6
of 35
First seenJun 19, 2023
NM
Last seenAug 5, 2026
TX
Inspected under 2 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
3WK4DJ9X6PF335384
Make
Kenworth
Model
T600
Model year
1993
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
3WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4DJ9X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1993 or 2023

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

North American serial sequence
335384

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
1993

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 · Jun 19, 2023 – Aug 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 5, 2026TXI · Full0LIDER TRACK SA DE CV 353552501AX4M/DF
Jul 28, 2026USIII · Driver-only0LIDER TRACK SA DE CV 353552501AX4M/MX
Jul 1, 2026TXI · Full1SERGIO VARELA MALDONADO 72522601AX4M/MX
Jun 19, 2026USII · Walk-around0SERGIO VARELA MALDONADO 72522601AX4M/MX
Apr 28, 2026TXI · Full4OOSSERGIO VARELA MALDONADO 72522601AX4M/CI
Apr 9, 2026NMIII · Driver-only0SERGIO VARELA MALDONADO 72522601AX4M/MX
Apr 1, 2026TXII · Walk-around1SERGIO VARELA MALDONADO 72522601AX4M/MX
Apr 1, 2026USI · Full1SERGIO VARELA MALDONADO 72522601AX4M/MX
Mar 31, 2026USII · Walk-around1SERGIO VARELA MALDONADO 72522601AX4M/CI
Mar 18, 2026USI · Full1OOSSERGIO VARELA MALDONADO 72522601AX4M/MX
Feb 12, 2026TXI · Full2SERGIO VARELA MALDONADO 72522601AX4M/MX
Feb 10, 2026USI · Full1OOSSERGIO VARELA MALDONADO 72522601AX4M/MX
Nov 24, 2025TXII · Walk-around1OOSSERGIO VARELA MALDONADO 72522601AX4M/MX
Nov 12, 2025TXI · Full1SERGIO VARELA MALDONADO 72522601AX4M/MX
Nov 11, 2025TXI · Full4OOSSERGIO VARELA MALDONADO 72522601AX4M/MX
Nov 6, 2025USI · Full0SERGIO VARELA MALDONADO 72522601AX4M/MX
Oct 8, 2025TXI · Full1SERGIO VARELA MALDONADO 72522601AX4M/CI
Jul 18, 2025TXII · Walk-around2SERGIO VARELA MALDONADO 72522601AX4M/DF
Jul 11, 2025TXI · Full0SERGIO VARELA MALDONADO 72522601AX4M/CI
Jun 19, 2025TXII · Walk-around0SERGIO VARELA MALDONADO 72522601AX4M/CI
May 29, 2025USI · Full4SERGIO VARELA MALDONADO 72522601AX4M/MX
Dec 2, 2024TXI · Full0SERGIO VARELA MALDONADO 72522601AX4M/MX
Sep 6, 2024USI · Full3OOSSERGIO VARELA MALDONADO 72522601AX4M/CI
Aug 22, 2024TXI · Full2SERGIO VARELA MALDONADO 72522601AX4M/CI
May 14, 2024USI · Full0SERGIO VARELA MALDONADO 72522601AX4M/MX
Apr 19, 2024TXI · Full0SERGIO VARELA MALDONADO 72522601AX4M/MX
Mar 4, 2024USI · Full2SERGIO VARELA MALDONADO 72522601AX4M/CI
Feb 23, 2024TXI · Full0SERGIO VARELA MALDONADO 72522601AX4M/CI
Dec 6, 2023USI · Full2SERGIO VARELA MALDONADO 72522601AX4M/MX
Nov 7, 2023TXI · Full0SERGIO VARELA MALDONADO 72522601AX4M/MX
Oct 11, 2023TXI · Full2SERGIO VARELA MALDONADO 72522601AX7M/CI
Sep 29, 2023TXI · Full3SERGIO VARELA MALDONADO 72522601AX4M/CI
Aug 28, 2023TXI · Full1SERGIO VARELA MALDONADO 72522601AX4M/CI
Jul 6, 2023TXI · Full4SERGIO VARELA MALDONADO 72522601AX4M/MX
Jun 19, 2023NMII · Walk-around0SERGIO VARELA MALDONADO 72522601AX4M/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LIDER TRACK SA DE CV3535525Jul 28, 2026Aug 5, 20262CI
SERGIO VARELA MALDONADO725226Jun 19, 2023Jul 1, 202633CI
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.
01AX4MDF1LIDER TRACK SA DE CVAug 5, 2026Aug 5, 20261
01AX4MMX1LIDER TRACK SA DE CVJul 28, 2026Jul 28, 20261
01AX4MMX1SERGIO VARELA MALDONADOJun 19, 2023Jul 1, 202620
01AX4MCISERGIO VARELA MALDONADOAug 28, 2023Apr 28, 202611
01AX4MDFSERGIO VARELA MALDONADOJul 18, 2025Jul 18, 20251
01AX7MCISERGIO VARELA MALDONADOOct 11, 2023Oct 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026