Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X3MD735492 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections9
all-time
OOS inspections2
of 9
First seenAug 28, 2023
CA
Last seenAug 9, 2025
NM
Inspected under 2 different carriers in 24 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
1XPBD49X3MD735492
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 19, 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 28, 2023 – Aug 9, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 9, 2025NMI · Full0—BLUE MONKEY TRANSPORTATION LLC 4132155ZP39691/CA
Jun 25, 2025CAIII · Driver-only2—BLUE MONKEY TRANSPORTATION LLC 4132155ZP39691/CA
Apr 4, 2025NMI · Full0—BLUE MONKEY TRANSPORTATION LLC 4132155ZP39691/CA
Apr 2, 2025NMIII · Driver-only0—BLUE MONKEY TRANSPORTATION LLC 4132155ZP39691/CA
Jan 10, 2025COIII · Driver-only7—BLUE MONKEY TRANSPORTATION LLC 4132155ZP39691/CA
Jan 1, 2025NMI · Full5OOSBLUE MONKEY TRANSPORTATION LLC 4132155ZP39691/CA
Jul 29, 2024CAI · Full3OOSMARTEN TRANSPORT LTD 744322913134/IN
Feb 1, 2024NMIII · Driver-only0—MARTEN TRANSPORT LTD 744322913134/IN
Aug 28, 2023CAI · Full0—MARTEN TRANSPORT LTD 744322913134/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BLUE MONKEY TRANSPORTATION LLC4132155Jan 1, 2025Aug 9, 20256CA
MARTEN TRANSPORT LTD74432Aug 28, 2023Jul 29, 20243WI
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.
ZP39691CA—BLUE MONKEY TRANSPORTATION LLCJan 1, 2025 → Aug 9, 20256
2913134IN—MARTEN TRANSPORT LTDAug 28, 2023 → Jul 29, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026
2021 Peterbilt 579 — VIN 1XPBD49X3MD735492