Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYDP9X4LJ341226 · Truck-Tractor · TRUCK
Carriers run under4
28 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJul 27, 2023
NM
Last seenNov 19, 2025
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
1XKYDP9X4LJ341226
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
YDP9X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
341226

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 27, 2023 – Nov 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 19, 2025TXII · Walk-around3OOSSTARR OILFIELD SERVICES LLC 17406243NH073/AL
Mar 2, 2025NMI · Full0HENIFF TRANSPORTATION SYSTEMS LLC 759493TEMP/AL
Feb 28, 2025NVII · Walk-around3OOSHENIFF TRANSPORTATION SYSTEMS LLC 7594931211120/AL
Aug 7, 2024LAIII · Driver-only0GOGO ASAP LLC 37753111211120/AL
Jul 27, 2023NMII · Walk-around0MELTON TRUCK LINES INC 346663JM845/OK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STARR OILFIELD SERVICES LLC1740624Nov 19, 2025Nov 19, 20251OK
HENIFF TRANSPORTATION SYSTEMS LLC759493Feb 28, 2025Mar 2, 20252IL
GOGO ASAP LLC3775311Aug 7, 2024Aug 7, 20241AL
MELTON TRUCK LINES INC34666Jul 27, 2023Jul 27, 20231OK
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.
3NH073ALSTARR OILFIELD SERVICES LLCNov 19, 2025Nov 19, 20251
TEMPAL1HENIFF TRANSPORTATION SYSTEMS LLCMar 2, 2025Mar 2, 20251
1211120AL1HENIFF TRANSPORTATION SYSTEMS LLCFeb 28, 2025Feb 28, 20251
1211120ALGOGO ASAP LLCAug 7, 2024Aug 7, 20241
3JM845OKMELTON TRUCK LINES INCJul 27, 2023Jul 27, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026