Equipment unit · VIN-decoded · NHTSA vPIC

1997 Great dane trailers Great Dane Trailers

1GRDM9620VM004217 · Trailer · TRAILER
Carriers run under3
33 mo
Inspections6
all-time
OOS inspections2
of 6
First seenAug 29, 2023
CA
Last seenMay 14, 2026
CA
Inspected under 3 different carriers in 33 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
1GRDM9620VM004217
Make
Great dane trailers
Model
Great Dane Trailers
Model year
1997
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
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 · Aug 29, 2023 – May 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2026CAI · Full6OOSAMERICAN MATERIAL TRANSPORTATION LLC 36473584NN4851/CA
Aug 12, 2025CAII · Walk-around3OOSAMERICAN MATERIAL TRANSPORTATION LLC 36473584NN4851/CA
May 21, 2025CAII · Walk-around2—AMERICAN MATERIAL TRANSPORTATION LLC 36473584NN4851/CA
May 1, 2025CAI · Full3—AMERICAN MATERIAL TRANSPORTATION LLC 36473584NN4851/CA
Mar 4, 2024CAII · Walk-around2—GARCIA TRUCKING INC 32419124NN4851/CA
Aug 29, 2023CAV · Vehicle-only3—SIR MIX CONCRETE PRODUCTS 26215004NN4851/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AMERICAN MATERIAL TRANSPORTATION LLC3647358May 1, 2025May 14, 20264CA
GARCIA TRUCKING INC3241912Mar 4, 2024Mar 4, 20241CA
SIR MIX CONCRETE PRODUCTS2621500Aug 29, 2023Aug 29, 20231CA
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.
4NN4851CA—AMERICAN MATERIAL TRANSPORTATION LLCMay 1, 2025 → May 14, 20264
4NN4851CA—GARCIA TRUCKING INCMar 4, 2024 → Mar 4, 20241
4NN4851CA—SIR MIX CONCRETE PRODUCTSAug 29, 2023 → Aug 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026