Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth W9 Series

1XKWD49X4JJ200577 · Truck-Tractor · TRUCK
W900
Carriers run under2
37 mo
Inspections7
all-time
OOS inspections2
of 7
First seenSep 22, 2023
WI
Last seenOct 21, 2026
WI
Inspected under 2 different carriers in 37 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
1XKWD49X4JJ200577
Make
Kenworth
Model
W9 Series
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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
WD49X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
200577

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 · 5,845 decoded VINs at 94.7% prefix purity.

Model
W9 Series

Prefix basis · 5,845 decoded VINs at 94.7% prefix purity.

Model line
W900

Sourced label · prefix basis 5,845 decoded VINs at 94.7% 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.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 22, 2023 – Oct 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 21, 2026WIII · Walk-around1—DOSIER TRANSPORT LLC 320696062162Z/WI
Apr 3, 2026WIIII · Driver-only6—DOSIER TRANSPORT LLC 320696062162Z/WI
Jan 9, 2025WIII · Walk-around2OOSRNS TRANSFER INC 167863797517X/WI
Nov 27, 2024WIIII · Driver-only12OOSRNS TRANSFER INC 167863797517X/WI
Nov 26, 2024WII · Full1—RNS TRANSFER INC 1678637KENWORTH/WI
May 31, 2024MNIII · Driver-only2—RNS TRANSFER INC 167863797517X/WI
Sep 22, 2023WIIII · Driver-only3—RNS TRANSFER INC 167863797517X/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DOSIER TRANSPORT LLC3206960Apr 3, 2026Oct 21, 20262WI
RNS TRANSFER INC1678637Sep 22, 2023Jan 9, 20255WI
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.
62162ZWI1DOSIER TRANSPORT LLCApr 3, 2026 → Oct 21, 20262
97517XWI—RNS TRANSFER INCSep 22, 2023 → Jan 9, 20254
KENWORTHWI—RNS TRANSFER INCNov 26, 2024 → Nov 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026