Equipment unit · VIN-decoded · NHTSA vPIC

2002 Superior Mfg., Inc.

1S9DS40212B573007 · Trailer · TRAILER
Carriers run under2
29 mo
Inspections8
all-time
OOS inspections1
of 8
First seenOct 13, 2023
IL
Last seenMar 25, 2026
WI
Inspected under 2 different carriers in 29 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
1S9DS40212B573007
Make
Superior Mfg., Inc.
Model
Superior Mfg., Inc.
Model year
2002
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 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
1S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DS402

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
2002 or 2032

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

North American serial sequence
573007

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
SUPERIOR MFG., INC.

Prefix basis · 18 decoded VINs at 94.4% prefix purity.

Model
Superior Mfg., Inc.

Prefix basis · 18 decoded VINs at 94.4% 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
2002

Observed directly for this VIN via NHTSA vPIC.

Observed make
SUPERIOR MFG., INC.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Superior Mfg., Inc.

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 · Oct 13, 2023 – Mar 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 25, 2026WIIII · Driver-only2KNJ TRUCKING LLC 2874177815464/WI
Feb 25, 2026ILII · Walk-around4KNJ TRUCKING LLC 2874177815464/WI
Nov 12, 2025ILII · Walk-around6OOSKNJ TRUCKING LLC 2874177815464/WI
Jul 14, 2025ILIII · Driver-only1KNJ TRUCKING LLC 2874177815464/WI
May 8, 2025ILIII · Driver-only0KNJ TRUCKING LLC 2874177815464/WI
Mar 11, 2025ILII · Walk-around1JRM TRUCKING INC 3386184721877ST/IL
Jun 13, 2024ILIII · Driver-only1JRM TRUCKING INC 3386184721877ST/IL
Oct 13, 2023ILIII · Driver-only1JRM TRUCKING INC 3386184721877ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KNJ TRUCKING LLC2874177May 8, 2025Mar 25, 20265WI
JRM TRUCKING INC3386184Oct 13, 2023Mar 11, 20253IL
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.
815464WIKNJ TRUCKING LLCMay 8, 2025Mar 25, 20265
721877STIL2JRM TRUCKING INCOct 13, 2023Mar 11, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026