Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

3WKYD49X8MF520230 · Truck-Tractor · TRUCK
Carriers run under1
33 mo
Inspections7
all-time
OOS inspections1
of 7
First seenJul 17, 2023
US
Last seenApr 26, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X8MF520230
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 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
8 · valid

Deterministic · position 9; calculated value 8.

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
520230

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.

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 17, 2023 – Apr 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 26, 2026TXII · Walk-around3OOSOLPEGA INC 3543689R535697/TX
Feb 1, 2026ILIII · Driver-only0—OLPEGA INC 3543689R535697/TX
Jan 13, 2026TXII · Walk-around1—OLPEGA INC 3543689R535697/TX
May 14, 2025TXI · Full2—OLPEGA INC 3543689R535697/TX
Feb 11, 2025TXII · Walk-around0—OLPEGA INC 3543689R535697/TX
Jul 25, 2023MIII · Walk-around3—OLPEGA INC 3543689R535697/TX
Jul 17, 2023USII · Walk-around3—OLPEGA INC 3543689R535696/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OLPEGA INC3543689Jul 17, 2023Apr 26, 20267TX
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.
R535697TX—OLPEGA INCJul 25, 2023 → Apr 26, 20266
R535696TX—OLPEGA INCJul 17, 2023 → Jul 17, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026