Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth W9 Series

1XKWD29X5MS560427 · Truck-Tractor · TRUCK
Carriers run under2
8 mo
Inspections5
all-time
OOS inspections3
of 5
First seenNov 21, 2023
KS
Last seenJul 10, 2024
TN
Inspected under 2 different carriers in 8 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
1XKWD29X5MS560427
Make
Kenworth
Model
W9 Series
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 28, 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
WD29X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
560427

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
W9 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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 21, 2023 – Jul 10, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 10, 2024TNII · Walk-around1OOSJERRY LITTLETON TRUCKING L L C 17469104KT4M/UK
May 20, 2024KYII · Walk-around7OOSJERRY LITTLETON TRUCKING L L C 17469124056456/MO
May 18, 2024INIII · Driver-only3JERRY LITTLETON TRUCKING L L C 17469124056456/MO
Apr 30, 2024MOII · Walk-around2JERRY LITTLETON TRUCKING L L C 174691TEMP TAG 240/MO
Nov 21, 2023KSII · Walk-around14OOS5M CATTLE CO 416216406W8AF/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JERRY LITTLETON TRUCKING L L C174691Apr 30, 2024Jul 10, 20244MO
5M CATTLE CO4162164Nov 21, 2023Nov 21, 20231MO
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.
04KT4MUKJERRY LITTLETON TRUCKING L L CJul 10, 2024Jul 10, 20241
24056456MOJERRY LITTLETON TRUCKING L L CMay 18, 2024May 20, 20242
TEMP TAG 240MOJERRY LITTLETON TRUCKING L L CApr 30, 2024Apr 30, 20241
06W8AFMO5M CATTLE CONov 21, 2023Nov 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026