Equipment unit · VIN-decoded · NHTSA vPIC

1997 Peterbilt 379

1NP5LB9X4VD436433 · Truck · INCOMPLETE VEHICLE
Carriers run under2
34 mo
Inspections4
all-time
OOS inspections0
of 4
First seenAug 8, 2023
WA
Last seenJun 2, 2026
WA
Inspected under 2 different carriers in 34 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
1NP5LB9X4VD436433
Make
Peterbilt
Model
379
Model year
1997
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 8, 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 8, 2023 – Jun 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 2, 2026WAIII · Driver-only0—GREYSTONE CONTRACTING LLC 1858088D98273C/WA
Aug 21, 2024WAIII · Driver-only0—GREYSTONE CONTRACTING LLC 1858088C18301X/WA
Nov 30, 2023IDII · Walk-around3—GREYSTONE CONTRACTING LLC 1858088C18301X/ID
Aug 8, 2023WAII · Walk-around0—QUANTA TELECOMMUNICATION SOLUTIONS LLC 2940175C18301X/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GREYSTONE CONTRACTING LLC1858088Nov 30, 2023Jun 2, 20263WA
QUANTA TELECOMMUNICATION SOLUTIONS LLC2940175Aug 8, 2023Aug 8, 20231GA
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.
D98273CWA—GREYSTONE CONTRACTING LLCJun 2, 2026 → Jun 2, 20261
C18301XWA—GREYSTONE CONTRACTING LLCAug 21, 2024 → Aug 21, 20241
C18301XID—GREYSTONE CONTRACTING LLCNov 30, 2023 → Nov 30, 20231
C18301XWA—QUANTA TELECOMMUNICATION SOLUTIONS LLCAug 8, 2023 → Aug 8, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 8, 2026