Equipment unit · VIN-decoded · NHTSA vPIC

2026 Silverback trailer SILVERBACK

4S9GC4021TH623900 · Trailer · TRAILER
Carriers run under3
1 mo
Inspections6
all-time
OOS inspections1
of 6
First seenMay 4, 2026
WA
Last seenJun 18, 2026
PA
Inspected under 3 different carriers in 1 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
4S9GC4021TH623900
Make
Silverback trailer
Model
SILVERBACK
Model year
2026
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 24, 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 · May 4, 2026 – Jun 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 18, 2026PAI · Full7OOSUSA TRANSIT LLC 39158800350SB32/TX
Jun 17, 2026VAII · Walk-around5—UNITRANSPORT LLC 4550986CV26AU/FL
May 18, 2026NJII · Walk-around3—UNITRANSPORT LLC 4550986CV26AU/FL
May 12, 2026NCIII · Driver-only0—UNITRANSPORT LLC 4550986CV26AU/FL
May 8, 2026SDI · Full2—PK LOGISTIX LLC 4521723CV26AU/FL
May 4, 2026WAIII · Driver-only2—PK LOGISTIX LLC 4521723CV26AU/FL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
USA TRANSIT LLC3915880Jun 18, 2026Jun 18, 20261PA
UNITRANSPORT LLC4550986May 12, 2026Jun 17, 20263WA
PK LOGISTIX LLC4521723May 4, 2026May 8, 20262WA
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.
0350SB32TX2USA TRANSIT LLCJun 18, 2026 → Jun 18, 20261
CV26AUFL2UNITRANSPORT LLCMay 12, 2026 → Jun 17, 20263
CV26AUFL—PK LOGISTIX LLCMay 4, 2026 → May 8, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026