Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X1LJ311437 · Truck-Tractor · TRUCK
Carriers run under4
39 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJun 15, 2023
VA
Last seenSep 24, 2026
LA
Inspected under 4 different carriers in 39 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
1XKYD49X1LJ311437
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
1 · valid

Deterministic · position 9; calculated value 1.

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
311437

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.

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 · Jun 15, 2023 – Sep 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 24, 2026LAIII · Driver-only1—ASENA TRUCKING LLC 4291453R749828/TX
Apr 1, 2026NMIII · Driver-only0—SMS PRO LOGISTICS LLC 4249563R749828/TX
Mar 16, 2026NMII · Walk-around3OOSSMS PRO LOGISTICS LLC 4249563R749828/TX
Mar 4, 2026TXII · Walk-around1OOSGRACE 7 TRUCKING LLC 3486079R749828/TX
Dec 31, 2023ARI · Full2—TYSON FOODS INC 33273DX799/OK
Jun 15, 2023VAIII · Driver-only0—TYSON FOODS INC 33273DX799/OK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ASENA TRUCKING LLC4291453Sep 24, 2026Sep 24, 20261TX
SMS PRO LOGISTICS LLC4249563Mar 16, 2026Apr 1, 20262TX
GRACE 7 TRUCKING LLC3486079Mar 4, 2026Mar 4, 20261TX
TYSON FOODS INC3327Jun 15, 2023Dec 31, 20232AR
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.
R749828TX1ASENA TRUCKING LLCSep 24, 2026 → Sep 24, 20261
R749828TX—SMS PRO LOGISTICS LLCMar 16, 2026 → Apr 1, 20262
R749828TX—GRACE 7 TRUCKING LLCMar 4, 2026 → Mar 4, 20261
3DX799OK—TYSON FOODS INCJun 15, 2023 → Dec 31, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026