Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X7MD756525 · Truck-Tractor · TRUCK
Carriers run under3
31 mo
Inspections8
all-time
OOS inspections1
of 8
First seenDec 4, 2023
MT
Last seenJul 6, 2026
MO
Inspected under 3 different carriers in 31 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
1XPBDP9X7MD756525
Make
Peterbilt
Model
579
Model year
2021
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 · Dec 4, 2023 – Jul 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 6, 2026MOII · Walk-around6—JRB TRUCKING LLC 3810149AKC616/KS
Mar 17, 2026MOIII · Driver-only0—JRB TRUCKING LLC 3810149AKC616/KS
Oct 9, 2025SDII · Walk-around1OOSCOLDIRON SPECIALIZED DRIVEAWAY INC 603605WP54969/WI
Apr 15, 2025NMIII · Driver-only0—EW WYLIE LLC 82762235413P/ND
Sep 23, 2024MIIII · Driver-only1—EW WYLIE LLC 82762235413P/ND
Aug 8, 2024NDIII · Driver-only0—EW WYLIE LLC 82762235413P/ND
Mar 15, 2024NMIII · Driver-only0—EW WYLIE LLC 82762235413P/ND
Dec 4, 2023MTIII · Driver-only1—EW WYLIE LLC 82762235413P/ND
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JRB TRUCKING LLC3810149Mar 17, 2026Jul 6, 20262KS
COLDIRON SPECIALIZED DRIVEAWAY INC603605Oct 9, 2025Oct 9, 20251OK
EW WYLIE LLC827622Dec 4, 2023Apr 15, 20255ND
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.
AKC616KS1JRB TRUCKING LLCMar 17, 2026 → Jul 6, 20262
WP54969WI—COLDIRON SPECIALIZED DRIVEAWAY INCOct 9, 2025 → Oct 9, 20251
35413PND—EW WYLIE LLCDec 4, 2023 → Apr 15, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026