Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T680

1XKYD49X6JJ210701 · Truck-Tractor · TRUCK
Carriers run under3
33 mo
Inspections8
all-time
OOS inspections2
of 8
First seenJul 13, 2023
TX
Last seenApr 7, 2026
TX
Inspected under 3 different carriers in 33 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
1XKYD49X6JJ210701
Make
Kenworth
Model
T680
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
1988 or 2018

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

North American serial sequence
210701

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
2018

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 13, 2023 – Apr 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 7, 2026TXII · Walk-around4CARRY-ON FREIGHT SERVICES LLC 2391203R739064/TX
Dec 8, 2025ARII · Walk-around0CARRY-ON FREIGHT SERVICES LLC 2391203R739064/TX
Nov 1, 2024ILIII · Driver-only0PXT TRANSPORT INC 4070452R739064/TX
May 1, 2024ARII · Walk-around6OOSMSO TRANSPORTATION LLC 2534805R649797/TX
Apr 21, 2024TXII · Walk-around4PXT TRANSPORT INC 4070452R649797/TX
Dec 27, 2023NMII · Walk-around3OOSPXT TRANSPORT INC 4070452R649797/TX
Sep 4, 2023TXII · Walk-around0PXT TRANSPORT INC 4070452R649797/TX
Jul 13, 2023TXII · Walk-around0PXT TRANSPORT INC 4070452R649797/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CARRY-ON FREIGHT SERVICES LLC2391203Dec 8, 2025Apr 7, 20262TX
PXT TRANSPORT INC4070452Jul 13, 2023Nov 1, 20245TX
MSO TRANSPORTATION LLC2534805May 1, 2024May 1, 20241TX
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.
R739064TXCARRY-ON FREIGHT SERVICES LLCDec 8, 2025Apr 7, 20262
R739064TXPXT TRANSPORT INCNov 1, 2024Nov 1, 20241
R649797TXMSO TRANSPORTATION LLCMay 1, 2024May 1, 20241
R649797TXPXT TRANSPORT INCJul 13, 2023Apr 21, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026