Equipment unit · VIN-decoded · NHTSA vPIC

2021 Mack Pinnacle

1M1PN4GY6MM008170 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections5
all-time
OOS inspections2
of 5
First seen08/10/2023
MA
Last seen06/18/2026
RI
Inspected under 2 different carriers in 34 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
1M1PN4GY6MM008170
Make
Mack
Model
Pinnacle
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
06/29/2026
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 · 08/10/2023 – 06/18/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
06/18/2026RIIII · Driver-only4OOSRITT INC 41605761UY812/RI
09/29/2025MAII · Walk-around8OOSRITT INC 41605761UY821/RI
08/19/2025RIIII · Driver-only4—RITT INC 41605761UY812/RI
08/11/2023MAIII · Driver-only7—QUIRK EXCAVATING & TRUCKING LLC 29326391AA22N/MA
08/10/2023MAII · Walk-around1—QUIRK EXCAVATING & TRUCKING LLC 29326391AA22N/MA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RITT INC416057608/19/202506/18/20263RI
QUIRK EXCAVATING & TRUCKING LLC293263908/10/202308/11/20232MA
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.
1UY812RI1RITT INC08/19/2025 → 06/18/20262
1UY821RI—RITT INC09/29/2025 → 09/29/20251
1AA22NMA—QUIRK EXCAVATING & TRUCKING LLC08/10/2023 → 08/11/20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/29/2026
2021 Mack Pinnacle — VIN 1M1PN4GY6MM008170