Equipment unit · VIN-decoded · NHTSA vPIC

2013 Kenworth T8 Series

3WKDD40X1DF842123 · Truck-Tractor · TRUCK
Carriers run under3
31 mo
Inspections10
all-time
OOS inspections4
of 10
First seenAug 1, 2023
TX
Last seenMar 3, 2026
TX
Inspected under 3 different carriers in 31 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
3WKDD40X1DF842123
Make
Kenworth
Model
T8 Series
Model year
2013
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
3WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DD40X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1983 or 2013

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

North American serial sequence
842123

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
2013

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

  • 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 1, 2023 – Mar 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 3, 2026TXII · Walk-around3TRAESSA SA DE CV 418297075AT7D/MX
Jan 28, 2026TXII · Walk-around5OOSTRAESSA SA DE CV 418297075AT7D/MX
Jan 27, 2026TXII · Walk-around4OOSTRAESSA SA DE CV 418297075AT7D/MX
Apr 30, 2024USI · Full3PETROLIFICOS DE MONTERREY SA DE CV 391046475AT7D/TA
Apr 12, 2024TXI · Full5PETROLIFICOS DE MONTERREY SA DE CV 391046475AT7D/MX
Feb 1, 2024TXI · Full6PETROLIFICOS DE MONTERREY SA DE CV 391046475AT7D/MX
Jan 18, 2024TXII · Walk-around3PETROLIFICOS DE MONTERREY SA DE CV 391046475AT7D/MX
Dec 16, 2023TXI · Full7OOSNESTOR GONZALEZ QUINONES 327550775AT7D/MX
Dec 15, 2023TXII · Walk-around2NESTOR GONZALEZ QUINONES 327550775AT7D/MX
Aug 1, 2023TXI · Full9OOSNESTOR GONZALEZ QUINONES 327550775AT7D/MX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRAESSA SA DE CV4182970Jan 27, 2026Mar 3, 20263TA
PETROLIFICOS DE MONTERREY SA DE CV3910464Jan 18, 2024Apr 30, 20244TA
NESTOR GONZALEZ QUINONES3275507Aug 1, 2023Dec 16, 20233TA
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.
75AT7DMXTRAESSA SA DE CVJan 27, 2026Mar 3, 20263
75AT7DTA1PETROLIFICOS DE MONTERREY SA DE CVApr 30, 2024Apr 30, 20241
75AT7DMX1PETROLIFICOS DE MONTERREY SA DE CVJan 18, 2024Apr 12, 20243
75AT7DMXNESTOR GONZALEZ QUINONESAug 1, 2023Dec 16, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026