Equipment unit · VIN-decoded · NHTSA vPIC

2017 Kenworth T3 Series

3WKHDJ9XXHF312306 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections28
all-time
OOS inspections2
of 28
First seenAug 9, 2023
CA
Last seenJun 4, 2026
US
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
3WKHDJ9XXHF312306
Make
Kenworth
Model
T3 Series
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
HDJ9X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1987 or 2017

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

North American serial sequence
312306

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 · 202 decoded VINs at 100.0% prefix purity.

Model
T3 Series

Prefix basis · 202 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
2017

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T3 Series

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 · Aug 9, 2023 – Jun 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 4, 2026USIII · Driver-only0S C TRANSPORT INC 1537446YP91742/CA
Feb 4, 2026USI · Full0S C TRANSPORT INC 1537446YP91742/CA
Nov 5, 2025CAI · Full0S C TRANSPORT INC 1537446YP91742/CA
Oct 30, 2025CAI · Full1S C TRANSPORT INC 1537446YP91742/CA
Oct 14, 2025CAI · Full1S C TRANSPORT INC 1537446YP91742/CA
Jul 21, 2025CAI · Full0S C TRANSPORT INC 1537446YP91742/CA
Jul 15, 2025USI · Full2S C TRANSPORT INC 1537446YP91742/CA
Jun 9, 2025CAIII · Driver-only0S C TRANSPORT INC 1537446YP91742/CA
May 16, 2025CAIII · Driver-only0S C TRANSPORT INC 1537446YP91742/CA
May 15, 2025CAIII · Driver-only0S C TRANSPORT INC 1537446YP91742/CA
Apr 11, 2025CAI · Full0S C TRANSPORT INC 1537446YP91742/CA
Apr 10, 2025CAI · Full1S C TRANSPORT INC 1537446YP91742/CA
Feb 6, 2025CAIII · Driver-only0S C TRANSPORT INC 1537446YP91742/CA
Jan 20, 2025USI · Full0S C TRANSPORT INC 1537446YP91742/CA
Jan 13, 2025CAIII · Driver-only0S C TRANSPORT INC 1537446YP91742/CA
Jan 13, 2025CAI · Full5OOSS C TRANSPORT INC 1537446YP91742/CA
Dec 5, 2024CAIII · Driver-only0S C TRANSPORT INC 1537446YP91742/CA
Oct 18, 2024CAI · Full0S C TRANSPORT INC 1537446YP91742/CA
Oct 17, 2024CAI · Full1S C TRANSPORT INC 1537446YP91742/CA
Aug 28, 2024CAIII · Driver-only0LARRY MENZ TOWING INC 537446YP91742/CA
Mar 12, 2024CAI · Full0S C TRANSPORT INC 1537446YP91742/CA
Mar 11, 2024CAI · Full1S C TRANSPORT INC 1537446YP91742/CA
Jan 12, 2024CAIII · Driver-only1S C TRANSPORT INC 1537446YP91742/CA
Jan 10, 2024CAIII · Driver-only1S C TRANSPORT INC 1537446YP91742/CA
Oct 24, 2023CAIII · Driver-only0S C TRANSPORT INC 1537446YP91742/CA
Oct 18, 2023CAIII · Driver-only1S C TRANSPORT INC 1537446YP91742/CA
Aug 10, 2023CAI · Full0S C TRANSPORT INC 1537446YP91742/CA
Aug 9, 2023CAIII · Driver-only2OOSS C TRANSPORT INC 1537446YP91742/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S C TRANSPORT INC1537446Aug 9, 2023Jun 4, 202627CA
LARRY MENZ TOWING INC537446Aug 28, 2024Aug 28, 20241IL
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.
YP91742CAS C TRANSPORT INCAug 9, 2023Jun 4, 202627
YP91742CALARRY MENZ TOWING INCAug 28, 2024Aug 28, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026