Equipment unit · VIN-decoded · NHTSA vPIC

2018 Whit-Log Whit-Log, Inc.

1W9W1L122JW110073 · Trailer · TRAILER
Carriers run under1
21 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 30, 2024
WA
Last seenApr 15, 2026
WA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1W9W1L122JW110073
Make
Whit-Log
Model
Whit-Log, Inc.
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 9, 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
1W9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
W1L12

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1988 or 2018

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

North American serial sequence
110073

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
WHIT-LOG

Prefix basis · 73 decoded VINs at 100.0% prefix purity.

Model
Whit-Log, Inc.

Prefix basis · 73 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
WHIT-LOG

Observed directly for this VIN via NHTSA vPIC.

Observed model
Whit-Log, Inc.

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

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 · Jul 30, 2024 – Apr 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 15, 2026WAIII · Driver-only1MASON TRUCKING CO INC 57303658623AJ/WA
Sep 23, 2025WAIII · Driver-only1OOSMASON TRUCKING CO INC 57303658623AJ/WA
Dec 11, 2024WAII · Walk-around3MASON TRUCKING CO INC 57303658623AJ/WA
Jul 30, 2024WAII · Walk-around0MASON TRUCKING CO INC 57303658623AJ/WA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MASON TRUCKING CO INC573036Jul 30, 2024Apr 15, 20264WA
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.
58623AJWAMASON TRUCKING CO INCJul 30, 2024Apr 15, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 9, 2026