Equipment unit · VIN-decoded · NHTSA vPIC

2000 Peterbilt 379

1NP5DB9X3YD520129 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under2
17 mo
Inspections4
all-time
OOS inspections3
of 4
First seenDec 30, 2024
WI
Last seenMay 12, 2026
OH
Inspected under 2 different carriers in 17 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
1NP5DB9X3YD520129
Make
Peterbilt
Model
379
Model year
2000
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 6, 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 30, 2024 – May 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 12, 2026OHII · Walk-around2OOSAJ SMITHS TRANSPORTATION LLC 4467881RC35773/MI
Dec 8, 2025INI · Full6OOSAJ SMITHS TRANSPORTATION LLC 4467881RC35773/MI
Jan 7, 2025MIII · Walk-around5OOSCHRIS HELMS TRANSPORTATION INC 1796126RC35773/MI
Dec 30, 2024WIII · Walk-around1CHRIS HELMS TRANSPORTATION INC 1796126RC35773/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AJ SMITHS TRANSPORTATION LLC4467881Dec 8, 2025May 12, 20262MI
CHRIS HELMS TRANSPORTATION INC1796126Dec 30, 2024Jan 7, 20252MI
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.
RC35773MIAJ SMITHS TRANSPORTATION LLCDec 8, 2025May 12, 20262
RC35773MICHRIS HELMS TRANSPORTATION INCDec 30, 2024Jan 7, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026