Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T8 Series

3WKDD40X3LF879334 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections49
all-time
OOS inspections8
of 49
First seenSep 4, 2023
US
Last seenJul 1, 2026
TX
Inspected under 2 different carriers in 34 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
3WKDD40X3LF879334
Make
Kenworth
Model
T8 Series
Model year
2020
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
DD40X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1990 or 2020

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

North American serial sequence
879334

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
2020

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 · Sep 4, 2023 – Jul 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 1, 2026TXI · Full3OOSKARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jun 18, 2026TXI · Full4KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
May 20, 2026TXII · Walk-around3KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
May 11, 2026TXII · Walk-around1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
May 6, 2026USII · Walk-around2OOSKARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Apr 29, 2026TXI · Full5LOWER VALLEY TRANSPORTATION LLC 304857151AM5L/MX
Apr 22, 2026TXI · Full3KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Apr 15, 2026TXI · Full4KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Apr 9, 2026USI · Full6OOSKARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Mar 17, 2026TXII · Walk-around0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Feb 18, 2026USI · Full2KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jan 16, 2026TXII · Walk-around1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jan 9, 2026TXI · Full1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Dec 3, 2025TXI · Full4OOSKARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Feb 24, 2025TXI · Full0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Dec 3, 2024TXII · Walk-around0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Nov 8, 2024TXI · Full0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Aug 26, 2024TXII · Walk-around1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jul 31, 2024TXI · Full1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jul 29, 2024TXI · Full1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jul 24, 2024TXII · Walk-around3OOSKARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jul 23, 2024TXII · Walk-around1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jul 4, 2024TXII · Walk-around0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jun 24, 2024TXI · Full0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jun 11, 2024USI · Full2KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
May 1, 2024TXI · Full1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Apr 18, 2024TXI · Full1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Apr 10, 2024TXI · Full0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Apr 8, 2024TXI · Full2KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Apr 5, 2024TXI · Full1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Mar 26, 2024TXI · Full2KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Mar 21, 2024TXII · Walk-around1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Mar 14, 2024TXII · Walk-around1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Mar 11, 2024TXII · Walk-around1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Mar 6, 2024TXI · Full2OOSKARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Mar 4, 2024TXII · Walk-around0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Feb 19, 2024TXI · Full3KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Feb 5, 2024TXI · Full0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jan 16, 2024TXII · Walk-around0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jan 9, 2024TXII · Walk-around0KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Jan 8, 2024USI · Full4KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Dec 28, 2023TXI · Full1OOSKARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Dec 5, 2023TXII · Walk-around2KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Nov 7, 2023TXII · Walk-around2KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Oct 30, 2023TXII · Walk-around1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Oct 19, 2023TXII · Walk-around12KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Oct 18, 2023TXII · Walk-around4KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Sep 22, 2023TXI · Full1KARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
Sep 4, 2023USI · Full5OOSKARZO TRANSPORTES S DE RL DE C 304587151AM5L/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KARZO TRANSPORTES S DE RL DE C3045871Sep 4, 2023Jul 1, 202648TA
LOWER VALLEY TRANSPORTATION LLC3048571Apr 29, 2026Apr 29, 20261TX
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.
51AM5LMX1KARZO TRANSPORTES S DE RL DE CSep 4, 2023Jul 1, 202648
51AM5LMXLOWER VALLEY TRANSPORTATION LLCApr 29, 2026Apr 29, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026