Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X7PD816709 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections4
all-time
OOS inspections2
of 4
First seenNov 2, 2023
NM
Last seenMar 21, 2026
UT
Inspected under 2 different carriers in 28 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
1XPBD49X7PD816709
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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 · Nov 2, 2023 – Mar 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 21, 2026UTI · Full4OOSMCDERMID TRANSPORTATION INC 70405388774Z/WI
Jan 9, 2026UTIII · Driver-only0—MCDERMID TRANSPORTATION INC 70405388774Z/WI
Jan 9, 2024GAIII · Driver-only0—CHRISTENSON TRANSPORTATION INC 57656884KS7M/MO
Nov 2, 2023NMII · Walk-around1OOSCHRISTENSON TRANSPORTATION INC 57656884KS7M/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MCDERMID TRANSPORTATION INC704053Jan 9, 2026Mar 21, 20262WI
CHRISTENSON TRANSPORTATION INC576568Nov 2, 2023Jan 9, 20242MO
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.
88774ZWI—MCDERMID TRANSPORTATION INCJan 9, 2026 → Mar 21, 20262
84KS7MMO—CHRISTENSON TRANSPORTATION INCNov 2, 2023 → Jan 9, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026