Equipment unit · VIN-decoded · NHTSA vPIC

2024 Kenworth T680

3WKYD49X5RF538725 · Truck-Tractor · TRUCK
Carriers run under1
33 mo
Inspections10
all-time
OOS inspections3
of 10
First seenNov 30, 2023
TX
Last seenAug 28, 2026
TN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X5RF538725
Make
Kenworth
Model
T680
Model year
2024
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
3WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD49X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1994 or 2024

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

North American serial sequence
538725

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 · 1,094 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 1,094 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
2024

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 · Nov 30, 2023 – Aug 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 28, 2026TNII · Walk-around3OOSCRYOGENICS FREIGHT LLC 3916810R739821/TX
Feb 19, 2026TXI · Full0CRYOGENICS FREIGHT LLC 3916810R739821/TX
Feb 4, 2026USI · Full4CRYOGENICS FREIGHT LLC 3916810R739821/TX
Nov 5, 2025MSII · Walk-around1OOSCRYOGENICS FREIGHT LLC 391681078BF7S/MX
Sep 19, 2025LAII · Walk-around1CRYOGENICS FREIGHT LLC 3916810R739821/TX
May 28, 2025USII · Walk-around2CRYOGENICS FREIGHT LLC 391681078BF7S/MX
Mar 16, 2025USI · Full6OOSCRYOGENICS FREIGHT LLC 3916810R739821/TX
Dec 11, 2024ARIII · Driver-only1CRYOGENICS FREIGHT LLC 3916810R739821/TX
Feb 5, 2024TXI · Full0CRYOGENICS FREIGHT LLC 3916810R662684/TX
Nov 30, 2023TXI · Full0CRYOGENICS FREIGHT LLC 3916810R662684/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CRYOGENICS FREIGHT LLC3916810Nov 30, 2023Aug 28, 202610TX
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.
R739821TX1CRYOGENICS FREIGHT LLCDec 11, 2024Aug 28, 20266
78BF7SMXCRYOGENICS FREIGHT LLCMay 28, 2025Nov 5, 20252
R662684TXCRYOGENICS FREIGHT LLCNov 30, 2023Feb 5, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026