Equipment unit · VIN-decoded · NHTSA vPIC

2025 Silverback trailer SILVERBACK

4S9GC4537SH623626 · Trailer · TRAILER
Carriers run under4
17 mo
Inspections8
all-time
OOS inspections1
of 8
First seenJan 22, 2025
OH
Last seenJun 26, 2026
MD
Inspected under 4 different carriers in 17 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
4S9GC4537SH623626
Make
Silverback trailer
Model
SILVERBACK
Model year
2025
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 · Jan 22, 2025 – Jun 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 26, 2026MDI · Full0—ZAK TRANSPORTS LLC 4501599C546384/ME
Feb 4, 2026MDI · Full0—ZAK TRANSPORTS LLC 4501599C546384/ME
Nov 5, 2025MDII · Walk-around0—CIRCLE 6 LOGISTICS OF PA LLC 3618726C546384/ME
Oct 23, 2025MDI · Full2—CIRCLE 6 LOGISTICS OF PA LLC 3618726C546384/ME
Sep 4, 2025SCII · Walk-around8OOSJHP TRANSPORT LLC 2556107NO PLATE/PA
Jul 7, 2025MDII · Walk-around1—CIRCLE 6 LOGISTICS OF PA LLC 3618726UNREGISTERED/PA
Jan 23, 2025TNI · Full2—BUR TRANSPORTATION INC 3539655XRC5224/UK
Jan 22, 2025OHIII · Driver-only4—BUR TRANSPORTATION INC 3539655XRC5224/PA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZAK TRANSPORTS LLC4501599Feb 4, 2026Jun 26, 20262MD
CIRCLE 6 LOGISTICS OF PA LLC3618726Jul 7, 2025Nov 5, 20253PA
JHP TRANSPORT LLC2556107Sep 4, 2025Sep 4, 20251MD
BUR TRANSPORTATION INC3539655Jan 22, 2025Jan 23, 20252WI
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.
C546384ME2ZAK TRANSPORTS LLCFeb 4, 2026 → Jun 26, 20262
C546384ME—CIRCLE 6 LOGISTICS OF PA LLCOct 23, 2025 → Nov 5, 20252
NO PLATEPA—JHP TRANSPORT LLCSep 4, 2025 → Sep 4, 20251
UNREGISTEREDPA—CIRCLE 6 LOGISTICS OF PA LLCJul 7, 2025 → Jul 7, 20251
XRC5224UK—BUR TRANSPORTATION INCJan 23, 2025 → Jan 23, 20251
XRC5224PA—BUR TRANSPORTATION INCJan 22, 2025 → Jan 22, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026
2025 Silverback trailer SILVERBACK — VIN 4S9GC4537SH623626