Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mack CHU (Pinnacle)

1M1AN07Y3JM026992 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections5
all-time
OOS inspections1
of 5
First seenSep 12, 2023
AZ
Last seenJan 5, 2026
TX
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
1M1AN07Y3JM026992
Make
Mack
Model
CHU (Pinnacle)
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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 · Sep 12, 2023 – Jan 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 5, 2026TXII · Walk-around2—DIAMOND B OPERATING LLC 21206531N72397/TX
Apr 22, 2025TXI · Full3OOSDIAMOND B OPERATING LLC 21206531N72397/TX
Jun 27, 2024COIII · Driver-only0—RELIANT TRANSPORTATION LTD 364514R322913/TX
Oct 17, 2023AZII · Walk-around2—RELIANT TRANSPORTATION LTD 364514R322913/TX
Sep 12, 2023AZIII · Driver-only1—RELIANT TRANSPORTATION LTD 364514R322913/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAMOND B OPERATING LLC2120653Apr 22, 2025Jan 5, 20262TX
RELIANT TRANSPORTATION LTD364514Sep 12, 2023Jun 27, 20243TX
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.
1N72397TX—DIAMOND B OPERATING LLCApr 22, 2025 → Jan 5, 20262
R322913TX—RELIANT TRANSPORTATION LTDSep 12, 2023 → Jun 27, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026