Equipment unit · VIN-decoded · NHTSA vPIC

2026 Silverback Trailer SILVERBACK

4S9KC5329TH623753 · Trailer · TRAILER
Carriers run under7
14 mo
Inspections10
all-time
OOS inspections2
of 10
First seenApr 30, 2025
UT
Last seenJun 22, 2026
MT
Inspected under 7 different carriers in 14 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
4S9KC5329TH623753
Make
Silverback Trailer
Model
SILVERBACK
Model year
2026
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.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
4S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KC532

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1996 or 2026

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
623753

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
SILVERBACK TRAILER

Prefix basis · 49 decoded VINs at 100.0% prefix purity.

Model
SILVERBACK

Prefix basis · 49 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2026

Observed directly for this VIN via NHTSA vPIC.

Observed make
SILVERBACK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
SILVERBACK

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Apr 30, 2025 – Jun 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 22, 2026MTII · Walk-around3HAULFLEET LLC 45166265635374/ME
Jun 15, 2026ARIII · Driver-only1HAULFLEET LLC 45166265635374/ME
May 26, 2026CAIII · Driver-only1MR CARHAUL LLC 42139965635374/ME
Apr 15, 2026ILIII · Driver-only1AUTOHAULX LLC 45166305635374/IL
Apr 9, 2026MOI · Full10OOSAUTOHAULX LLC 45166305635374/ME
Mar 30, 2026OHII · Walk-around3AUTOHAULX LLC 45166305635374/ME
Jan 11, 2026ILIII · Driver-only0INTT LLC 44872731031215ST/IL
Sep 9, 2025UTI · Full3NIMBUS 2000 LLC 44365421031215ST/IL
Aug 23, 2025MOII · Walk-around0PINGVIN EXPRESS LLC 43352571031215ST/IL
Apr 30, 2025UTII · Walk-around8OOSARROW CARHAULERS LLC 4129264NO PLATE/IL
03

Carriers this unit has run under

7 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HAULFLEET LLC4516626Jun 15, 2026Jun 22, 20262OH
MR CARHAUL LLC4213996May 26, 2026May 26, 20261WA
AUTOHAULX LLC4516630Mar 30, 2026Apr 15, 20263OH
INTT LLC4487273Jan 11, 2026Jan 11, 20261OH
NIMBUS 2000 LLC4436542Sep 9, 2025Sep 9, 20251IL
PINGVIN EXPRESS LLC4335257Aug 23, 2025Aug 23, 20251IL
ARROW CARHAULERS LLC4129264Apr 30, 2025Apr 30, 20251IL
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.
5635374ME2HAULFLEET LLCJun 15, 2026Jun 22, 20262
5635374MEMR CARHAUL LLCMay 26, 2026May 26, 20261
5635374ILAUTOHAULX LLCApr 15, 2026Apr 15, 20261
5635374MEAUTOHAULX LLCMar 30, 2026Apr 9, 20262
1031215STILINTT LLCJan 11, 2026Jan 11, 20261
1031215STILNIMBUS 2000 LLCSep 9, 2025Sep 9, 20251
1031215STILPINGVIN EXPRESS LLCAug 23, 2025Aug 23, 20251
NO PLATEIL2ARROW CARHAULERS LLCApr 30, 2025Apr 30, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026