Equipment unit · VIN-decoded · NHTSA vPIC

2021 Superior mfg., inc. Superior Mfg., Inc.

1S9DS3929ME573027 · Trailer · TRAILER
Carriers run under2
25 mo
Inspections6
all-time
OOS inspections0
of 6
First seenNov 1, 2023
IL
Last seenDec 16, 2025
IN
Inspected under 2 different carriers in 25 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
1S9DS3929ME573027
Make
Superior mfg., inc.
Model
Superior Mfg., Inc.
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 22, 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 · Nov 1, 2023 – Dec 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 16, 2025INIII · Driver-only1—WILLPOWER TRUCKING LLC 2847281765503ST/IL
May 30, 2025ILII · Walk-around1—WILLPOWER TRUCKING LLC 2847281765503ST/IL
May 6, 2025ILIII · Driver-only1—WILLPOWER TRUCKING LLC 2847281765503ST/IL
Apr 8, 2025ILIII · Driver-only0—WILLPOWER TRUCKING LLC 2847281765503ST/IL
Nov 7, 2023OKII · Walk-around0—CADENCE PREMIER CARGO INC 1861195765503ST/IL
Nov 1, 2023ILIII · Driver-only0—WILLPOWER TRUCKING LLC 2847281765503ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILLPOWER TRUCKING LLC2847281Nov 1, 2023Dec 16, 20255IL
CADENCE PREMIER CARGO INC1861195Nov 7, 2023Nov 7, 20231IL
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.
765503STIL—WILLPOWER TRUCKING LLCNov 1, 2023 → Dec 16, 20255
765503STIL—CADENCE PREMIER CARGO INCNov 7, 2023 → Nov 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026