Equipment unit · VIN-decoded · NHTSA vPIC

2004 Peterbilt 379

1XP5DB9X14D821420 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections4
all-time
OOS inspections0
of 4
First seenAug 29, 2023
MT
Last seenApr 22, 2026
SD
Inspected under 2 different carriers in 32 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
1XP5DB9X14D821420
Make
Peterbilt
Model
379
Model year
2004
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 11, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 29, 2023 – Apr 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2026SDIII · Driver-only0—TRIPLE L TRANSPORT INC 2397771PA16125/MT
Apr 4, 2024WYI · Full2—TRIPLE L TRANSPORT INC 2397771PA16125/MT
Dec 10, 2023NEIII · Driver-only2—TRIPLE L TRANSPORT INC 2397771PA16125/MT
Aug 29, 2023MTII · Walk-around0—RED MOUNTAIN TRUCK LINES INC 589093PA16175/MT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRIPLE L TRANSPORT INC2397771Dec 10, 2023Apr 22, 20263MT
RED MOUNTAIN TRUCK LINES INC589093Aug 29, 2023Aug 29, 20231MT
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.
PA16125MT—TRIPLE L TRANSPORT INCDec 10, 2023 → Apr 22, 20263
PA16175MT—RED MOUNTAIN TRUCK LINES INCAug 29, 2023 → Aug 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 11, 2026