Equipment unit · VIN-decoded · NHTSA vPIC

2024 Silverback trailer SILVERBACK

4S9KC5329RH623504 · Trailer · TRAILER
Carriers run under2
15 mo
Inspections7
all-time
OOS inspections1
of 7
First seenDec 11, 2024
OH
Last seenMar 4, 2026
SC
Inspected under 2 different carriers in 15 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
4S9KC5329RH623504
Make
Silverback trailer
Model
SILVERBACK
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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 · Dec 11, 2024 – Mar 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 4, 2026SCIII · Driver-only0—AM21 GROUP CORP 37508975390606/ME
Nov 18, 2025TNI · Full1—AM SHIPPING CORP 41773845390606/ME
Oct 16, 2025TNI · Full1—AM SHIPPING CORP 41773845390606/ME
May 22, 2025MII · Full1—AM SHIPPING CORP 41773845390606/ME
Feb 5, 2025SCII · Walk-around0—AM SHIPPING CORP 41773845390606/ME
Dec 17, 2024ALI · Full1—AM SHIPPING CORP 41773845390606/ME
Dec 11, 2024OHII · Walk-around2OOSAM SHIPPING CORP 41773845390606/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AM21 GROUP CORP3750897Mar 4, 2026Mar 4, 20261NY
AM SHIPPING CORP4177384Dec 11, 2024Nov 18, 20256NY
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.
5390606ME—AM21 GROUP CORPMar 4, 2026 → Mar 4, 20261
5390606ME—AM SHIPPING CORPDec 11, 2024 → Nov 18, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026