Equipment unit · VIN-decoded · NHTSA vPIC

2023 Great dane trailers Great Dane Trailers

1GR4M0621PH516240 · Trailer · TRAILER
Carriers run under3
27 mo
Inspections4
all-time
OOS inspections1
of 4
First seenMar 6, 2024
TN
Last seenJun 3, 2026
CA
Inspected under 3 different carriers in 27 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
1GR4M0621PH516240
Make
Great dane trailers
Model
Great Dane Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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 · Mar 6, 2024 – Jun 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 3, 2026CAIII · Driver-only1—ARIZONA EXPRESS INC 4006166942907ST/IL
Apr 15, 2025ARIII · Driver-only0—UNITED TRANSPORT S LLC 2114777942907ST/IL
May 1, 2024LAIII · Driver-only0—TOP LINE FREIGHT SYSTEMS INC 3623376942907ST/IL
Mar 6, 2024TNI · Full1OOSTOP LINE FREIGHT SYSTEMS INC 3623376942907ST/UK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ARIZONA EXPRESS INC4006166Jun 3, 2026Jun 3, 20261IL
UNITED TRANSPORT S LLC2114777Apr 15, 2025Apr 15, 20251OR
TOP LINE FREIGHT SYSTEMS INC3623376Mar 6, 2024May 1, 20242IL
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.
942907STIL—ARIZONA EXPRESS INCJun 3, 2026 → Jun 3, 20261
942907STIL—UNITED TRANSPORT S LLCApr 15, 2025 → Apr 15, 20251
942907STIL—TOP LINE FREIGHT SYSTEMS INCMay 1, 2024 → May 1, 20241
942907STUK—TOP LINE FREIGHT SYSTEMS INCMar 6, 2024 → Mar 6, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026