Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T680

1XKYD49X4JJ205738 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections15
all-time
OOS inspections2
of 15
First seenJul 25, 2023
AR
Last seenMay 6, 2026
KY
Inspected under 2 different carriers in 34 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
1XKYD49X4JJ205738
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 16, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
205738

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 25, 2023 – May 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 6, 2026KYIII · Driver-only4OOSFROST FREIGHT INC 1540868R800720/TX
Apr 8, 2026COII · Walk-around3FROST FREIGHT INC 1540868R800720/TX
Apr 14, 2025TXI · Full5TRIPLE RRR CARRIERS INC 3031364R575253/TX
Feb 3, 2025IDII · Walk-around3TRIPLE RRR CARRIERS INC 3031364R575253/TX
Jan 30, 2025WAII · Walk-around3TRIPLE RRR CARRIERS INC 3031364R575253/TX
Nov 14, 2024AZII · Walk-around8TRIPLE RRR CARRIERS INC 3031364R575253/TX
Oct 31, 2024AZI · Full6TRIPLE RRR CARRIERS INC 3031364R575253/TX
Oct 29, 2024AZII · Walk-around3TRIPLE RRR CARRIERS INC 3031364R575253/TX
Aug 28, 2024ARIII · Driver-only2TRIPLE RRR CARRIERS INC 3031364R575253/TX
Jan 20, 2024TXII · Walk-around2TRIPLE RRR CARRIERS INC 3031364R575253/TX
Dec 10, 2023NMIII · Driver-only1TRIPLE RRR CARRIERS INC 3031364R575253/TX
Nov 1, 2023TNII · Walk-around1TRIPLE RRR CARRIERS INC 3031364R575253/TX
Sep 17, 2023AZII · Walk-around6OOSTRIPLE RRR CARRIERS INC 3031364R575253/TX
Sep 12, 2023TXII · Walk-around4TRIPLE RRR CARRIERS INC 3031364R575253/TX
Jul 25, 2023ARI · Full3TRIPLE RRR CARRIERS INC 3031364R575253/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FROST FREIGHT INC1540868Apr 8, 2026May 6, 20262TX
TRIPLE RRR CARRIERS INC3031364Jul 25, 2023Apr 14, 202513TX
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.
R800720TXFROST FREIGHT INCApr 8, 2026May 6, 20262
R575253TXTRIPLE RRR CARRIERS INCJul 25, 2023Apr 14, 202513
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026