Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X8LJ350476 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections9
all-time
OOS inspections2
of 9
First seenAug 31, 2023
IA
Last seenFeb 12, 2026
TX
Inspected under 2 different carriers in 30 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
1XKYD49X8LJ350476
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 20, 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
YD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
350476

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 · 43,483 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 43,483 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 · Aug 31, 2023 – Feb 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 12, 2026TXII · Walk-around2OOSVANGUARD FLEET LLC 4388687R777538/TX
Oct 30, 2025TXII · Walk-around2VANGUARD FLEET LLC 4388687R777538/TX
Aug 11, 2025TXII · Walk-around5OOSVANGUARD FLEET LLC 4388687R777538/TX
Jul 17, 2025WVII · Walk-around0VANGUARD FLEET LLC 4388687R777538/TX
Jul 15, 2025ARIII · Driver-only1VANGUARD FLEET LLC 4388687R777538/TX
Aug 9, 2024TNII · Walk-around1MERCER TRANSPORTATION COMPANY INC 1547123009359/IN
Mar 9, 2024ALIII · Driver-only0MERCER TRANSPORTATION COMPANY INC 1547123009359/IN
Jan 3, 2024MDI · Full2MERCER TRANSPORTATION COMPANY INC 1547123009359/IN
Aug 31, 2023IAIII · Driver-only0MERCER TRANSPORTATION COMPANY INC 1547123009359/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VANGUARD FLEET LLC4388687Jul 15, 2025Feb 12, 20265TX
MERCER TRANSPORTATION COMPANY INC154712Aug 31, 2023Aug 9, 20244KY
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.
R777538TXVANGUARD FLEET LLCJul 15, 2025Feb 12, 20265
3009359INMERCER TRANSPORTATION COMPANY INCAug 31, 2023Aug 9, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026