Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X2PD816777 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections4
all-time
OOS inspections1
of 4
First seenMar 15, 2024
AL
Last seenJul 20, 2026
IL
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
1XPBD49X2PD816777
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 26, 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 15, 2024 – Jul 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2026ILIII · Driver-only0—PERFECT TIMING LLC 3876095P1324742/IL
Jun 13, 2025CAIII · Driver-only5OOSPERFECT TIMING LLC 3876095P1287722/IL
Apr 29, 2025CAIII · Driver-only0—PERFECT TIMING LLC 3876095P1287722/IL
Mar 15, 2024ALIII · Driver-only0—CHRISTENSON TRANSPORTATION INC 57656897KS2V/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PERFECT TIMING LLC3876095Apr 29, 2025Jul 20, 20263IL
CHRISTENSON TRANSPORTATION INC576568Mar 15, 2024Mar 15, 20241MO
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.
P1324742IL1PERFECT TIMING LLCJul 20, 2026 → Jul 20, 20261
P1287722IL—PERFECT TIMING LLCApr 29, 2025 → Jun 13, 20252
97KS2VMO—CHRISTENSON TRANSPORTATION INCMar 15, 2024 → Mar 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026
2023 Peterbilt 579 — VIN 1XPBD49X2PD816777