Equipment unit · VIN-decoded · NHTSA vPIC

1M1AN4GY0PM037531

Not yet decoded
Carriers run under2
12 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 20, 2024
UT
Last seenAug 12, 2025
ID
Inspected under 2 different carriers in 12 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

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

World manufacturer identifier
1M1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AN4GY

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1993 or 2023

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

North American serial sequence
037531

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
MACK

Prefix basis · 7,931 decoded VINs at 100.0% prefix purity.

Model
Anthem

Prefix basis · 7,931 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.

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 · Aug 20, 2024 – Aug 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 12, 2025IDIII · Driver-only0STEPP'S HEAVY TRANSPORT INC 2504096DF89AX/FL
Aug 20, 2024UTI · Full3NEXTRAN CORPORATION 873574AB28SJ/FL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STEPP'S HEAVY TRANSPORT INC2504096Aug 12, 2025Aug 12, 20251FL
NEXTRAN CORPORATION873574Aug 20, 2024Aug 20, 20241FL
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.
DF89AXFLSTEPP'S HEAVY TRANSPORT INCAug 12, 2025Aug 12, 20251
AB28SJFLNEXTRAN CORPORATIONAug 20, 2024Aug 20, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC