Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1XPBD49X4SD727236 · Truck-Tractor · TRUCK
Carriers run under2
13 mo
Inspections4
all-time
OOS inspections2
of 4
First seen01/07/2025
KY
Last seen02/16/2026
UT
Inspected under 2 different carriers in 13 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
1XPBD49X4SD727236
Make
Peterbilt
Model
579
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
07/12/2026
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 · 01/07/2025 – 02/16/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
02/16/2026UTI · Full0—CHRISTENSON TRANSPORTATION INC 57656863KS7P/MO
01/14/2026CAII · Walk-around1OOSCHRISTENSON TRANSPORTATION INC 576568TL1628/MO
01/14/2026CAII · Walk-around1OOSRC CONSTRUCTION CO INC 576468TL1628/MO
01/07/2025KYIII · Driver-only0—CHRISTENSON TRANSPORTATION INC 57656863KS7P/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHRISTENSON TRANSPORTATION INC57656801/07/202502/16/20263MO
RC CONSTRUCTION CO INC57646801/14/202601/14/20261MS
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.
63KS7PMO—CHRISTENSON TRANSPORTATION INC01/07/2025 → 02/16/20262
TL1628MO—RC CONSTRUCTION CO INC01/14/2026 → 01/14/20261
TL1628MO—CHRISTENSON TRANSPORTATION INC01/14/2026 → 01/14/20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026
2025 Peterbilt 579 — VIN 1XPBD49X4SD727236