Equipment unit · VIN-decoded · NHTSA vPIC

1997 Peterbilt 379

1XP5D68X6VD415644 · Truck-Tractor · TRUCK
Carriers run under2
19 mo
Inspections3
all-time
OOS inspections1
of 3
First seenDec 6, 2023
OK
Last seenJul 20, 2025
TX
Inspected under 2 different carriers in 19 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
1XP5D68X6VD415644
Make
Peterbilt
Model
379
Model year
1997
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 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 · Dec 6, 2023 – Jul 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2025TXII · Walk-around13OOSCOASTAL SALTWATER SERVICES LLC 2586658R730365/TX
Apr 22, 2025LAI · Full4WILLIAMS TRANSPORTATION SERVICES LLC 3273820R730365/TX
Dec 6, 2023OKII · Walk-around2COASTAL SALTWATER SERVICES LLC 2586658R615014/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COASTAL SALTWATER SERVICES LLC2586658Dec 6, 2023Jul 20, 20252TX
WILLIAMS TRANSPORTATION SERVICES LLC3273820Apr 22, 2025Apr 22, 20251TX
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.
R730365TXCOASTAL SALTWATER SERVICES LLCJul 20, 2025Jul 20, 20251
R730365TXWILLIAMS TRANSPORTATION SERVICES LLCApr 22, 2025Apr 22, 20251
R615014TXCOASTAL SALTWATER SERVICES LLCDec 6, 2023Dec 6, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 28, 2026