Equipment unit · VIN-decoded · NHTSA vPIC

2022 Mac

558MTB321NK006433 · Trailer · TRAILER
Carriers run under2
32 mo
Inspections7
all-time
OOS inspections0
of 7
First seenNov 16, 2023
KY
Last seenJul 22, 2026
KY
Inspected under 2 different carriers in 32 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
558MTB321NK006433
Make
Mac
Model
MAC
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 5, 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
558

Deterministic · VIN positions 1–3.

Vehicle descriptor section
MTB32

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1992 or 2022

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

North American serial sequence
006433

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
MAC

Prefix basis · 196 decoded VINs at 100.0% prefix purity.

Model
MAC

Prefix basis · 196 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
2022

Observed directly for this VIN via NHTSA vPIC.

Observed make
MAC

Observed directly for this VIN via NHTSA vPIC.

Observed model
MAC

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
Class 8: 33,001 lb and above (14,969 kg and above)

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 · Nov 16, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026KYI · Full1ESTEPP ENERGY LLC 3071468W7L610/KY
Jul 22, 2026KYI · Full1ESTEPP ENERGY LLC 3071468W7L610/KY
May 22, 2025TNIII · Driver-only1PREMIER AG CO-OP INC 260330TRQ4953/OH
Feb 10, 2025KYII · Walk-around0PREMIER AG CO-OP INC 260330TRQ4953/OH
Oct 30, 2024TNIII · Driver-only0PREMIER AG CO-OP INC 260330TRQ4953/OH
Aug 2, 2024TNI · Full0PREMIER AG CO-OP INC 260330TRQ4953/UK
Nov 16, 2023KYII · Walk-around0PREMIER AG CO-OP INC 260330TRQ4953/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ESTEPP ENERGY LLC3071468Jul 22, 2026Jul 22, 20262KY
PREMIER AG CO-OP INC260330Nov 16, 2023May 22, 20255IN
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.
W7L610KY2ESTEPP ENERGY LLCJul 22, 2026Jul 22, 20262
TRQ4953OHPREMIER AG CO-OP INCNov 16, 2023May 22, 20254
TRQ4953UKPREMIER AG CO-OP INCAug 2, 2024Aug 2, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026