Equipment unit · VIN-decoded · NHTSA vPIC

2020 Ste

1S9T44223L0017166 · Trailer · TRAILER
Carriers run under2
5 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 9, 2023
WI
Last seenDec 10, 2023
WI
Inspected under 2 different carriers in 5 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
1S9T44223L0017166
Make
Ste
Model
STE
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
T4422

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1990 or 2020

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

North American serial sequence
017166

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
STE

Prefix basis · 14 decoded VINs at 100.0% prefix purity.

Model
STE

Prefix basis · 14 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
2020

Observed directly for this VIN via NHTSA vPIC.

Observed make
STE

Observed directly for this VIN via NHTSA vPIC.

Observed model
STE

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 · Jul 9, 2023 – Dec 10, 2023

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 10, 2023WIII · Walk-around0HAGEMANN TRUCKING LLC 287233774075/WI
Dec 6, 2023WIII · Walk-around2DOUBLE T TRANSPORT LLC 3889754774075/WI
Jul 9, 2023WIIII · Driver-only1HAGEMANN TRUCKING LLC 287233774075/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HAGEMANN TRUCKING LLC287233Jul 9, 2023Dec 10, 20232WI
DOUBLE T TRANSPORT LLC3889754Dec 6, 2023Dec 6, 20231WI
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.
774075WIHAGEMANN TRUCKING LLCJul 9, 2023Dec 10, 20232
774075WIDOUBLE T TRANSPORT LLCDec 6, 2023Dec 6, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026