Equipment unit · VIN-decoded · NHTSA vPIC

1988 Great dane trailers Great Dane Trailers

1GRAA0621JT115559 · Trailer · TRAILER
Carriers run under3
37 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJun 29, 2023
AZ
Last seenJul 20, 2026
OH
Inspected under 3 different carriers in 37 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
1GRAA0621JT115559
Make
Great dane trailers
Model
Great Dane Trailers
Model year
1988
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 19, 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 · Jun 29, 2023 – Jul 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2026OHII · Walk-around0—STAY CALM KEEP TRUCKING INC 30701381053447ST/IL
Jun 11, 2025CAII · Walk-around1—PROSPORT EXPRESS INC 1758605631468ST/IL
Jul 8, 2023MOIII · Driver-only0—AD FREIGHT EXPRESS INC 3372403631468ST/IL
Jun 29, 2023AZIII · Driver-only1—AD FREIGHT EXPRESS INC 3372403631468ST/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STAY CALM KEEP TRUCKING INC3070138Jul 20, 2026Jul 20, 20261IL
PROSPORT EXPRESS INC1758605Jun 11, 2025Jun 11, 20251IL
AD FREIGHT EXPRESS INC3372403Jun 29, 2023Jul 8, 20232IL
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.
1053447STIL2STAY CALM KEEP TRUCKING INCJul 20, 2026 → Jul 20, 20261
631468STIL—PROSPORT EXPRESS INCJun 11, 2025 → Jun 11, 20251
631468STIL—AD FREIGHT EXPRESS INCJun 29, 2023 → Jul 8, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026