Equipment unit · VIN-decoded · NHTSA vPIC

1983 Kenworth W900

1NKWL29X5DS312384 · Truck · INCOMPLETE VEHICLE
Carriers run under2
27 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJan 3, 2024
MT
Last seenApr 8, 2026
MT
Inspected under 2 different carriers in 27 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
1NKWL29X5DS312384
Make
Kenworth
Model
W900
Model year
1983
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 26, 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WL29X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1983 or 2013

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

North American serial sequence
312384

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
1983

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
W900

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Jan 3, 2024 – Apr 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 8, 2026MTIII · Driver-only1JTL GROUP INC 47428413AH575/MT
Jan 3, 2024MTIII · Driver-only1DONALDSON BROS READY MIX INC 437462139765L/MT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JTL GROUP INC474284Apr 8, 2026Apr 8, 20261MT
DONALDSON BROS READY MIX INC437462Jan 3, 2024Jan 3, 20241MT
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.
13AH575MTJTL GROUP INCApr 8, 2026Apr 8, 20261
139765LMTDONALDSON BROS READY MIX INCJan 3, 2024Jan 3, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 26, 2026