Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X4HD450985 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections7
all-time
OOS inspections0
of 7
First seenOct 8, 2023
CA
Last seenApr 8, 2026
CA
Inspected under 2 different carriers in 30 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
1XPBDP9X4HD450985
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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 · Oct 8, 2023 – Apr 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 8, 2026CAV · Vehicle-only0—DRL TRANSPORT LLC 4507055ZP852734/CA
Apr 5, 2026CAII · Walk-around0—DRL TRANSPORT LLC 4507055ZP85273/CA
Mar 3, 2026CAI · Full0—MKB TRANSPORTATION INC 2895171ZP85273/CA
Dec 7, 2025CAII · Walk-around0—MKB TRANSPORTATION INC 2895171YP18185/CA
Apr 11, 2025CAV · Vehicle-only0—MKB TRANSPORTATION INC 2895171YP18185/CA
Dec 26, 2024CAI · Full0—MKB TRANSPORTATION INC 2895171YP18185/CA
Oct 8, 2023CAI · Full0—MKB TRANSPORTATION INC 2895171YP18185/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DRL TRANSPORT LLC4507055Apr 5, 2026Apr 8, 20262CA
MKB TRANSPORTATION INC2895171Oct 8, 2023Mar 3, 20265CA
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.
ZP852734CA—DRL TRANSPORT LLCApr 8, 2026 → Apr 8, 20261
ZP85273CA—DRL TRANSPORT LLCApr 5, 2026 → Apr 5, 20261
ZP85273CA—MKB TRANSPORTATION INCMar 3, 2026 → Mar 3, 20261
YP18185CA—MKB TRANSPORTATION INCOct 8, 2023 → Dec 7, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026