Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X3MJ459834 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections9
all-time
OOS inspections1
of 9
First seenJul 27, 2023
IL
Last seenDec 18, 2025
NM
Inspected under 2 different carriers in 29 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
1XKYD49X3MJ459834
Make
Kenworth
Model
T680
Model year
2021
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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1991 or 2021

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
459834

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
2021

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 – Dec 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 18, 2025NMI · Full5COASTLOG EXPRESS LLC 4272491V3519HY/TN
Nov 1, 2025LAII · Walk-around1COASTLOG EXPRESS LLC 4272491V3519HY/TN
Oct 29, 2025TXII · Walk-around1COASTLOG EXPRESS LLC 4272491V3519HY/TN
Oct 18, 2025LAIII · Driver-only0COASTLOG EXPRESS LLC 4272491V3519HY/TN
Oct 5, 2025LAIII · Driver-only2COASTLOG EXPRESS LLC 4272491V3519HY/TN
Sep 15, 2025LAII · Walk-around1COASTLOG EXPRESS LLC 4272491V3519HY/IN
Oct 21, 2024INII · Walk-around2OOSJETT TRUCKING LLC 869516199731/KS
Jun 3, 2024WIIII · Driver-only0JETT TRUCKING LLC 869516869516/KS
Jul 27, 2023ILIII · Driver-only0JETT TRUCKING LLC 869516K199731/KS
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COASTLOG EXPRESS LLC4272491Sep 15, 2025Dec 18, 20256TN
JETT TRUCKING LLC869516Jul 27, 2023Oct 21, 20243KS
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.
V3519HYTNCOASTLOG EXPRESS LLCOct 5, 2025Dec 18, 20255
V3519HYINCOASTLOG EXPRESS LLCSep 15, 2025Sep 15, 20251
199731KSJETT TRUCKING LLCOct 21, 2024Oct 21, 20241
869516KSJETT TRUCKING LLCJun 3, 2024Jun 3, 20241
K199731KSJETT TRUCKING LLCJul 27, 2023Jul 27, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026