Equipment unit · VIN-decoded · NHTSA vPIC

2003 Kenworth T800

3WKDD09X53F391756 · Truck-Tractor · TRUCK
Carriers run under1
35 mo
Inspections38
all-time
OOS inspections5
of 38
First seenSep 29, 2023
US
Last seenAug 5, 2026
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKDD09X53F391756
Make
Kenworth
Model
T800
Model year
2003
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
DD09X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
2003 or 2033

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

North American serial sequence
391756

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
2003

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T800

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 · Sep 29, 2023 – Aug 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 5, 2026USIII · Driver-only0SERGIO VARELA MALDONADO 72522624ER3N/MX
Apr 2, 2026USI · Full2SERGIO VARELA MALDONADO 72522624ER3N/MX
Feb 26, 2026USI · Full2SERGIO VARELA MALDONADO 72522624ER3N/MX
Jan 28, 2026TXI · Full2SERGIO VARELA MALDONADO 72522624ER3N/DF
Jan 28, 2026TXI · Full5SERGIO VARELA MALDONADO 72522624ER3N/MX
Jan 15, 2026TXI · Full4OOSSERGIO VARELA MALDONADO 72522624ER3N/MX
Jan 2, 2026USIII · Driver-only0SERGIO VARELA MALDONADO 72522624ER3N/MX
Dec 29, 2025TXI · Full1SERGIO VARELA MALDONADO 72522624ER3N/MX
Dec 24, 2025TXII · Walk-around0SERGIO VARELA MALDONADO 72522624ER3N/MX
Dec 11, 2025TXI · Full2SERGIO VARELA MALDONADO 72522624ER3N/CI
Nov 19, 2025TXI · Full2SERGIO VARELA MALDONADO 72522624ER3N/CI
Nov 12, 2025USI · Full0SERGIO VARELA MALDONADO 72522624ER3N/MX
Oct 30, 2025USIII · Driver-only0SERGIO VARELA MALDONADO 72522624ER3N/MX
Oct 28, 2025TXI · Full0SERGIO VARELA MALDONADO 72522624ER3N/CI
Sep 18, 2025TXI · Full1SERGIO VARELA MALDONADO 72522624ER3N/CI
Sep 11, 2025TXI · Full0SERGIO VARELA MALDONADO 72522624ER3N/MX
Sep 9, 2025TXI · Full0SERGIO VARELA MALDONADO 72522624ER3N/CI
Sep 4, 2025TXI · Full1SERGIO VARELA MALDONADO 72522624ER3N/MX
Aug 27, 2025TXIII · Driver-only1SERGIO VARELA MALDONADO 72522624ER3N/CI
Aug 21, 2025TXII · Walk-around0SERGIO VARELA MALDONADO 72522624ER3N/CI
Aug 21, 2025TXI · Full6SERGIO VARELA MALDONADO 72522624ER3N/MX
Jul 8, 2025USI · Full5OOSSERGIO VARELA MALDONADO 72522624ER3N/MX
Jun 24, 2025TXII · Walk-around1SERGIO VARELA MALDONADO 72522624ER3N/MX
Apr 3, 2025TXI · Full0SERGIO VARELA MALDONADO 72522624ER3N/CI
Mar 19, 2025USI · Full8OOSSERGIO VARELA MALDONADO 72522624ER3N/MX
Dec 2, 2024TXII · Walk-around2SERGIO VARELA MALDONADO 72522624ER3N/MX
Nov 4, 2024TXI · Full4SERGIO VARELA MALDONADO 72522624ER3N/CI
Sep 3, 2024TXI · Full2SERGIO VARELA MALDONADO 72522624ER3N/CI
Aug 8, 2024TXI · Full2SERGIO VARELA MALDONADO 72522624ER3N/CI
Aug 6, 2024TXI · Full0SERGIO VARELA MALDONADO 72522624ER3N/CI
Jul 31, 2024TXI · Full3SERGIO VARELA MALDONADO 72522624ER3N/CI
Apr 26, 2024TXI · Full2SERGIO VARELA MALDONADO 72522624ER3N/CI
Mar 22, 2024TXI · Full0SERGIO VARELA MALDONADO 72522624ER3N/CI
Feb 27, 2024TXI · Full3OOSSERGIO VARELA MALDONADO 72522624ER3N/MX
Jan 31, 2024TXI · Full6OOSSERGIO VARELA MALDONADO 72522624ER3N/MX
Oct 13, 2023TXI · Full2SERGIO VARELA MALDONADO 72522624ER3N/CI
Oct 10, 2023TXI · Full0SERGIO VARELA MALDONADO 72522624ER3N/MX
Sep 29, 2023USIII · Driver-only0SERGIO VARELA MALDONADO 72522624ER3N/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SERGIO VARELA MALDONADO725226Sep 29, 2023Aug 5, 202638CI
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.
24ER3NMX1SERGIO VARELA MALDONADOSep 29, 2023Aug 5, 202621
24ER3NDFSERGIO VARELA MALDONADOJan 28, 2026Jan 28, 20261
24ER3NCISERGIO VARELA MALDONADOOct 13, 2023Dec 11, 202516
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026