Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth W9 Series

1XKWD49X4JJ219131 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections7
all-time
OOS inspections0
of 7
First seenAug 31, 2023
AR
Last seenJul 2, 2026
AZ
Inspected under 2 different carriers in 35 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
1XKWD49X4JJ219131
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 28, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 31, 2023 – Jul 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 2, 2026AZII · Walk-around0—GLOBAL SPECIALIZED SERVICES LLC 2347147A27525/WY
Jun 30, 2026AZIII · Driver-only0—GLOBAL SPECIALIZED SERVICES LLC 2347147A27525/WY
Jun 15, 2026AZIII · Driver-only0—GLOBAL SPECIALIZED SERVICES LLC 2347147A27525/WY
Jan 30, 2025COII · Walk-around0—GLOBAL SPECIALIZED SERVICES LLC 2347147A19914/WY
Apr 30, 2024ARIII · Driver-only1—DIAMOND TRANSPORTATION SYSTEM INC 4671318457Z/WI
Jan 15, 2024SDIII · Driver-only0—DIAMOND TRANSPORTATION SYSTEM INC 4671318457Z/WI
Aug 31, 2023ARIII · Driver-only3—DIAMOND TRANSPORTATION SYSTEM INC 4671318457Z/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GLOBAL SPECIALIZED SERVICES LLC2347147Jan 30, 2025Jul 2, 20264WY
DIAMOND TRANSPORTATION SYSTEM INC46713Aug 31, 2023Apr 30, 20243WI
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.
A27525WY1GLOBAL SPECIALIZED SERVICES LLCJun 15, 2026 → Jul 2, 20263
A19914WY—GLOBAL SPECIALIZED SERVICES LLCJan 30, 2025 → Jan 30, 20251
18457ZWI—DIAMOND TRANSPORTATION SYSTEM INCAug 31, 2023 → Apr 30, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026
2018 Kenworth W9 Series — VIN 1XKWD49X4JJ219131