Equipment unit · VIN-decoded · NHTSA vPIC

2014 Kenworth T6 Series

3WKAD40X3EF849790 · Truck-Tractor · TRUCK
Carriers run under2
37 mo
Inspections41
all-time
OOS inspections9
of 41
First seenJun 23, 2023
US
Last seenJul 10, 2026
TX
Inspected under 2 different carriers in 37 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
3WKAD40X3EF849790
Make
Kenworth
Model
T6 Series
Model year
2014
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
AD40X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1984 or 2014

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

North American serial sequence
849790

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
2014

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T6 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 · Jun 23, 2023 – Jul 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 10, 2026TXII · Walk-around8CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Jun 9, 2026TXII · Walk-around17OOSCUCOS TRUCKING SA DE CV 419215487AR2P/MX
May 6, 2026TXI · Full16CUCOS TRUCKING SA DE CV 419215487AR2P/TA
Feb 21, 2026TXII · Walk-around7CUCOS TRUCKING SA DE CV 419215487AR2P/TA
Feb 13, 2026TXII · Walk-around5OOSCUCOS TRUCKING SA DE CV 419215487AR2P/TA
Dec 29, 2025TXI · Full6OOSCUCOS TRUCKING SA DE CV 419215487AR2P/MX
Dec 14, 2025TXIII · Driver-only2CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Nov 7, 2025TXI · Full5OOSCUCOS TRUCKING SA DE CV 419215487AR2P/MX
Aug 27, 2025USI · Full1CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Aug 4, 2025USI · Full2CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Jul 17, 2025USI · Full2CUCOS TRUCKING SA DE CV 419215487AR2P/MX
May 17, 2025USI · Full0CUCOS TRUCKING SA DE CV 419215487AR2P/MX
May 3, 2025USI · Full2CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Apr 28, 2025TXII · Walk-around5OOSCUCOS TRUCKING SA DE CV 419215487AR2P/TA
Apr 14, 2025TXI · Full6OOSCUCOS TRUCKING SA DE CV 419215487AR2P/MX
Feb 24, 2025TXII · Walk-around5CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Feb 17, 2025USII · Walk-around1OOSCUCOS TRUCKING SA DE CV 419215487AR2P/MX
Feb 12, 2025TXII · Walk-around2CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Feb 10, 2025TXI · Full2CUCOS TRUCKING SA DE CV 419215487AR2P/TA
Jan 13, 2025USII · Walk-around0CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Jan 2, 2025USI · Full1CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Dec 23, 2024TXII · Walk-around0CUCOS TRUCKING SA DE CV 419215487AR2P/TA
Nov 11, 2024USII · Walk-around0CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Oct 8, 2024USI · Full1CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Sep 11, 2024TXII · Walk-around8CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Aug 28, 2024USII · Walk-around0CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Aug 22, 2024USI · Full0CUCOS TRUCKING SA DE CV 419215487AR2P/MX
Jul 6, 2024TXII · Walk-around5TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
May 31, 2024TXII · Walk-around9OOSTRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
May 30, 2024USII · Walk-around0TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
May 28, 2024USII · Walk-around0TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
May 17, 2024USII · Walk-around1TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
Apr 2, 2024USII · Walk-around0TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
Mar 26, 2024USII · Walk-around0TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
Mar 14, 2024USI · Full1TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
Feb 21, 2024TXII · Walk-around5OOSTRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
Jan 9, 2024USII · Walk-around0TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
Sep 11, 2023USII · Walk-around0TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
Sep 6, 2023USII · Walk-around0TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
Jul 5, 2023USII · Walk-around0TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
Jun 23, 2023USII · Walk-around0TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV 304536987AR2P/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CUCOS TRUCKING SA DE CV4192154Aug 22, 2024Jul 10, 202627TA
TRANSPORTES ESPECIALIZADOS RUIZ SA DE CV3045369Jun 23, 2023Jul 6, 202414TA
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.
87AR2PMX1CUCOS TRUCKING SA DE CVAug 22, 2024Jul 10, 202621
87AR2PTACUCOS TRUCKING SA DE CVDec 23, 2024May 6, 20266
87AR2PMXTRANSPORTES ESPECIALIZADOS RUIZ SA DE CVJun 23, 2023Jul 6, 202414
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026