Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X8MD767372 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections9
all-time
OOS inspections0
of 9
First seenAug 16, 2023
CA
Last seenJun 15, 2025
CA
Inspected under 2 different carriers in 22 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
1XPBDP9X8MD767372
Make
Peterbilt
Model
579
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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 16, 2023 – Jun 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 15, 2025CAIII · Driver-only1—HTL INC 27233649H01462/CA
Feb 5, 2025CAI · Full2—HTL INC 27233649G66539/CA
Dec 11, 2024CAII · Walk-around0—HTL INC 27233649G66539/CA
Nov 25, 2024AZII · Walk-around7—HTL INC 2723364PG66539/CA
Oct 14, 2024CAII · Walk-around8—HTL INC 27233649G66539/CA
Aug 4, 2024UTIII · Driver-only1—HTL INC 27233649G66539/CA
Jun 26, 2024CAI · Full0—HTL INC 27233649G66539/CA
Sep 1, 2023NMII · Walk-around3—US TRUCK LINES INC 2109728YP04808/CA
Aug 16, 2023CAII · Walk-around1—US TRUCK LINES INC 2109728YP04808/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HTL INC2723364Jun 26, 2024Jun 15, 20257CA
US TRUCK LINES INC2109728Aug 16, 2023Sep 1, 20232TX
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.
9H01462CA—HTL INCJun 15, 2025 → Jun 15, 20251
9G66539CA—HTL INCJun 26, 2024 → Feb 5, 20255
PG66539CA—HTL INCNov 25, 2024 → Nov 25, 20241
YP04808CA—US TRUCK LINES INCAug 16, 2023 → Sep 1, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026