Equipment unit · VIN-decoded · NHTSA vPIC

1998 Mack CH

1M1AA18Y4WW103381 · Truck-Tractor · TRUCK
Carriers run under3
24 mo
Inspections5
all-time
OOS inspections4
of 5
First seenSep 5, 2023
TX
Last seenSep 23, 2025
TX
Inspected under 3 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
1M1AA18Y4WW103381
Make
Mack
Model
CH
Model year
1998
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 5, 2023 – Sep 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 23, 2025TXII · Walk-around14OOSTRIANGLE G TRANSPORTATION SERVICES LLC 2940101R758403/TX
Mar 24, 2025TXII · Walk-around11OOSTRIANGLE G TRANSPORTATION SERVICES LLC 2940101R758403/TX
May 3, 2024TXII · Walk-around5—JULIO CESAR RIOS 419211151M553M/TX
Mar 26, 2024TXII · Walk-around5OOSJULIO CESAR RIOS 419211111P494M/TX
Sep 5, 2023TXI · Full7OOSBARRACUDA DOWNHOLE LLC 3465055R682314/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRIANGLE G TRANSPORTATION SERVICES LLC2940101Mar 24, 2025Sep 23, 20252TX
JULIO CESAR RIOS4192111Mar 26, 2024May 3, 20242TX
BARRACUDA DOWNHOLE LLC3465055Sep 5, 2023Sep 5, 20231TX
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.
R758403TX—TRIANGLE G TRANSPORTATION SERVICES LLCMar 24, 2025 → Sep 23, 20252
51M553MTX—JULIO CESAR RIOSMay 3, 2024 → May 3, 20241
11P494MTX—JULIO CESAR RIOSMar 26, 2024 → Mar 26, 20241
R682314TX—BARRACUDA DOWNHOLE LLCSep 5, 2023 → Sep 5, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026