Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYDP9X9LJ291715 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections11
all-time
OOS inspections1
of 11
First seenJul 26, 2023
TX
Last seenMay 7, 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
1XKYDP9X9LJ291715
Make
Kenworth
Model
T680
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 18, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YDP9X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
291715

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.

Make
KENWORTH

Prefix basis · 26,022 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 26,022 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

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
T680

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 26, 2023 – May 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 7, 2026TXI · Full1CASTRO TRUCKING LLC 437107399R734N/TX
Dec 31, 2025TXII · Walk-around0CASTRO TRUCKING LLC 437107324N528N/TX
Dec 3, 2025TXII · Walk-around1CASTRO TRUCKING LLC 437107376U489N/TX
Nov 3, 2025TXII · Walk-around2OOSCASTRO TRUCKING LLC 437107328R445N/TX
Oct 7, 2025TXI · Full2CASTRO TRUCKING LLC 437107337P394N/TX
Oct 6, 2025TXII · Walk-around0CASTRO TRUCKING LLC 437107337P394N/TX
Aug 26, 2025TXIII · Driver-only0CASTRO TRUCKING LLC 437107397U318N/TX
Aug 25, 2025TXII · Walk-around2CASTRO TRUCKING LLC 437107397U318N/TX
Jul 29, 2025TXI · Full2CASTRO TRUCKING LLC 437107389S272N/TX
Jul 16, 2025TXII · Walk-around0CASTRO TRUCKING LLC 437107379T246N/TX
Jul 26, 2023TXI · Full0COASTAL TRANSPORT COMPANY INC 36647115P40/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CASTRO TRUCKING LLC4371073Jul 16, 2025May 7, 202610TX
COASTAL TRANSPORT COMPANY INC36647Jul 26, 2023Jul 26, 20231TX
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.
99R734NTXCASTRO TRUCKING LLCMay 7, 2026May 7, 20261
24N528NTXCASTRO TRUCKING LLCDec 31, 2025Dec 31, 20251
76U489NTXCASTRO TRUCKING LLCDec 3, 2025Dec 3, 20251
28R445NTXCASTRO TRUCKING LLCNov 3, 2025Nov 3, 20251
37P394NTXCASTRO TRUCKING LLCOct 6, 2025Oct 7, 20252
97U318NTXCASTRO TRUCKING LLCAug 25, 2025Aug 26, 20252
89S272NTXCASTRO TRUCKING LLCJul 29, 2025Jul 29, 20251
79T246NTXCASTRO TRUCKING LLCJul 16, 2025Jul 16, 20251
115P40TXCOASTAL TRANSPORT COMPANY INCJul 26, 2023Jul 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026