Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth T680

3WKYD49X0SF556653 · Truck-Tractor · TRUCK
Carriers run under1
17 mo
Inspections7
all-time
OOS inspections2
of 7
First seenJan 8, 2025
NM
Last seenJun 15, 2026
NM
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3WKYD49X0SF556653
Make
Kenworth
Model
T680
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 25, 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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1995 or 2025

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

North American serial sequence
556653

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
2025

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 · Jan 8, 2025 – Jun 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 15, 2026NMII · Walk-around1OOSTBM CARRIERS INC 835330ZP37813/CA
Jun 14, 2026NMII · Walk-around1OOSTBM CARRIERS INC 835330ZP37813/CA
Jun 6, 2026TNI · Full0TBM CARRIERS INC 835330ZP37813/CA
Nov 25, 2025KYI · Full0TBM CARRIERS INC 835330ZP37813/CA
Sep 9, 2025TXII · Walk-around0TBM CARRIERS INC 835330ZP37813/CA
Aug 12, 2025USI · Full0TBM CARRIERS INC 835330ZP37813/CA
Jan 8, 2025NMI · Full0TBM CARRIERS INC 835330ZP37813/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TBM CARRIERS INC835330Jan 8, 2025Jun 15, 20267CA
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.
ZP37813CA1TBM CARRIERS INCJan 8, 2025Jun 15, 20267
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026