Equipment unit · VIN-decoded · NHTSA vPIC

2005 Peterbilt 379

1NP5LB9X75D845462 · Truck · INCOMPLETE VEHICLE
Carriers run under2
19 mo
Inspections5
all-time
OOS inspections1
of 5
First seenMar 21, 2024
CO
Last seenOct 31, 2025
NM
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
1NP5LB9X75D845462
Make
Peterbilt
Model
379
Model year
2005
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
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 · Mar 21, 2024 – Oct 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 31, 2025NMIII · Driver-only0—SIERRA MOUNTAIN TRANSPORT INC 3983150YASM057/OR
Sep 30, 2025NMII · Walk-around0—SIERRA MOUNTAIN TRANSPORT INC 3983150YASMO57/OR
May 16, 2025NMIII · Driver-only0—SIERRA MOUNTAIN TRANSPORT INC 3983150YASM057/OR
Apr 10, 2024NMII · Walk-around0—SIERRA MOUNTAIN TRANSPORT INC 3983150YASM057/OR
Mar 21, 2024COI · Full7OOSSIERRA MOUNTAIN EXPRESS INC 365516YASM057/OR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SIERRA MOUNTAIN TRANSPORT INC3983150Apr 10, 2024Oct 31, 20254FL
SIERRA MOUNTAIN EXPRESS INC365516Mar 21, 2024Mar 21, 20241CA
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.
YASM057OR—SIERRA MOUNTAIN TRANSPORT INCApr 10, 2024 → Oct 31, 20253
YASMO57OR—SIERRA MOUNTAIN TRANSPORT INCSep 30, 2025 → Sep 30, 20251
YASM057OR—SIERRA MOUNTAIN EXPRESS INCMar 21, 2024 → Mar 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026