Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X6LJ353747 · Truck-Tractor · TRUCK
Carriers run under4
28 mo
Inspections5
all-time
OOS inspections1
of 5
First seenFeb 28, 2024
NM
Last seenJun 23, 2026
TX
Inspected under 4 different carriers in 28 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
1XKYD49X6LJ353747
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 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
353747

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 · Feb 28, 2024 – Jun 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 23, 2026TXII · Walk-around1OOSSAMA TRANSPORT LLC 420070178T803N/TX
Feb 18, 2026TXII · Walk-around2KEYSTONE MOTION CORP 4502751R830208/TX
Feb 3, 2026TXIII · Driver-only3NATIONAL DRAYAGE SERVICES (DE) LLC 17470933931880/IN
Apr 25, 2024TXII · Walk-around0SWIFT TRANSPORTATION COMPANY OF ARIZONA LLC 542832906035/IN
Feb 28, 2024NMIII · Driver-only1SWIFT TRANSPORTATION COMPANY OF ARIZONA LLC 542832906035/IN
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAMA TRANSPORT LLC4200701Jun 23, 2026Jun 23, 20261TX
KEYSTONE MOTION CORP4502751Feb 18, 2026Feb 18, 20261TN
NATIONAL DRAYAGE SERVICES (DE) LLC1747093Feb 3, 2026Feb 3, 20261PA
SWIFT TRANSPORTATION COMPANY OF ARIZONA LLC54283Feb 28, 2024Apr 25, 20242AZ
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.
78T803NTX1SAMA TRANSPORT LLCJun 23, 2026Jun 23, 20261
R830208TXKEYSTONE MOTION CORPFeb 18, 2026Feb 18, 20261
3931880INNATIONAL DRAYAGE SERVICES (DE) LLCFeb 3, 2026Feb 3, 20261
2906035INSWIFT TRANSPORTATION COMPANY OF ARIZONA LLCFeb 28, 2024Apr 25, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026