Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYDP9X8LJ311100 · Truck-Tractor · TRUCK
Carriers run under4
35 mo
Inspections10
all-time
OOS inspections0
of 10
First seenSep 7, 2023
TN
Last seenAug 5, 2026
NM
Inspected under 4 different carriers in 35 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
1XKYDP9X8LJ311100
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 19, 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
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
311100

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 · Sep 7, 2023 – Aug 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 5, 2026NMIII · Driver-only1J & J OIL LLC 4128967MY5818/IA
Jul 14, 2025MTIII · Driver-only0DMT TRUCKING LLC 7959823762550/IN
Apr 17, 2025MSIII · Driver-only0SE INDEPENDENT DELIVERY SERVICES INC 842212S3766HY/TN
Aug 9, 2024TNIII · Driver-only0SE INDEPENDENT DELIVERY SERVICES INC 842212S3766HY/TN
Apr 2, 2024TNIII · Driver-only0SE INDEPENDENT DELIVERY SERVICES INC 84221253766HY/TN
Feb 14, 2024MSII · Walk-around0SE INDEPENDENT DELIVERY SERVICES INC 842212S3766HY/TN
Jan 27, 2024TNI · Full0SE INDEPENDENT DELIVERY SERVICES INC 842212S3766HY/UK
Dec 21, 2023TNIII · Driver-only0SE INDEPENDENT DELIVERY SERVICES INC 842212S3766HY/TN
Nov 9, 2023MSIII · Driver-only0SE INDEPENDENT DELIVERY SERVICES INC 842212S3766HY/TN
Sep 7, 2023TNIII · Driver-only1C AND T LOGISTICS LLC 2795593S3766HY/TN
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J & J OIL LLC4128967Aug 5, 2026Aug 5, 20261IA
DMT TRUCKING LLC795982Jul 14, 2025Jul 14, 20251AL
SE INDEPENDENT DELIVERY SERVICES INC842212Nov 9, 2023Apr 17, 20257FL
C AND T LOGISTICS LLC2795593Sep 7, 2023Sep 7, 20231TN
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.
MY5818IA1J & J OIL LLCAug 5, 2026Aug 5, 20261
3762550INDMT TRUCKING LLCJul 14, 2025Jul 14, 20251
S3766HYTNSE INDEPENDENT DELIVERY SERVICES INCNov 9, 2023Apr 17, 20255
53766HYTNSE INDEPENDENT DELIVERY SERVICES INCApr 2, 2024Apr 2, 20241
S3766HYUKSE INDEPENDENT DELIVERY SERVICES INCJan 27, 2024Jan 27, 20241
S3766HYTNC AND T LOGISTICS LLCSep 7, 2023Sep 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026