Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X9RD638157 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections4
all-time
OOS inspections0
of 4
First seenAug 2, 2023
KY
Last seenMay 3, 2025
TN
Inspected under 2 different carriers in 21 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
1XPBD49X9RD638157
Make
Peterbilt
Model
579
Model year
2024
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 · Aug 2, 2023 – May 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 3, 2025TNIII · Driver-only0—DIMEX TRANS INC 3175355AH53047/PA
Mar 11, 2025MOI · Full2—DIMEX TRANS INC 3175355AH53047/PA
May 6, 2024PAIII · Driver-only1—DIMEX TRANS INC 3175355AH53047/PA
Aug 2, 2023KYIII · Driver-only0—ASCEND TRUCKING LLC 3714095S1242HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIMEX TRANS INC3175355May 6, 2024May 3, 20253PA
ASCEND TRUCKING LLC3714095Aug 2, 2023Aug 2, 20231TN
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.
AH53047PA—DIMEX TRANS INCMay 6, 2024 → May 3, 20253
S1242HYTN—ASCEND TRUCKING LLCAug 2, 2023 → Aug 2, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026