Equipment unit · VIN-decoded · NHTSA vPIC

2016 Kenworth W9 Series

1NKWL49X1GJ474910 · Truck · INCOMPLETE VEHICLE
W900
Carriers run under2
33 mo
Inspections9
all-time
OOS inspections0
of 9
First seenSep 8, 2023
CA
Last seenJun 2, 2026
CA
Inspected under 2 different carriers in 33 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
1NKWL49X1GJ474910
Make
Kenworth
Model
W9 Series
Model year
2016
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
WL49X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1986 or 2016

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

North American serial sequence
474910

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 · 84 decoded VINs at 92.9% prefix purity.

Model
W9 Series

Prefix basis · 84 decoded VINs at 92.9% prefix purity.

Model line
W900

Sourced label · prefix basis 84 decoded VINs at 92.9% prefix purity.

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
2016

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

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 8, 2023 – Jun 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 2, 2026CAI · Full0FREDRICK G ERICKSON JR 439235190542G2/CA
Apr 30, 2026CAI · Full1FREDRICK G ERICKSON JR 439235190542G2/CA
Jan 12, 2026CAI · Full0FREDRICK G ERICKSON JR 439235102415P1/CA
Aug 29, 2025CAI · Full0FREDRICK G ERICKSON JR 439235102415P1/CA
Oct 9, 2024CAI · Full1DON R ERICKSON OIL INC 280685602415P1/CA
Aug 31, 2024CAI · Full0DON R ERICKSON OIL INC 280685602415P1/CA
Jun 1, 2024CAII · Walk-around0DON R ERICKSON OIL INC 280685602415P1/CA
Oct 18, 2023CAI · Full1DON R ERICKSON OIL INC 280685602415P1/CA
Sep 8, 2023CAIII · Driver-only1DON R ERICKSON OIL INC 280685602415P1/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FREDRICK G ERICKSON JR4392351Aug 29, 2025Jun 2, 20264CA
DON R ERICKSON OIL INC2806856Sep 8, 2023Oct 9, 20245CA
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.
90542G2CAFREDRICK G ERICKSON JRApr 30, 2026Jun 2, 20262
02415P1CAFREDRICK G ERICKSON JRAug 29, 2025Jan 12, 20262
02415P1CADON R ERICKSON OIL INCSep 8, 2023Oct 9, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026