Equipment unit · VIN-decoded · NHTSA vPIC

2016 Mac

558MTBR26GK000993 · Trailer · TRAILER
Carriers run under2
26 mo
Inspections11
all-time
OOS inspections1
of 11
First seenJun 14, 2023
AZ
Last seenAug 31, 2025
AZ
Inspected under 2 different carriers in 26 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
558MTBR26GK000993
Make
Mac
Model
MAC
Model year
2016
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
MTBR2

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1986 or 2016

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

North American serial sequence
000993

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 · 215 decoded VINs at 100.0% prefix purity.

Model
MAC

Prefix basis · 215 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
2016

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
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 · Jun 14, 2023 – Aug 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 31, 2025AZI · Full10GEMINI MOTOR TRANSPORT LP 913300CS1803/OK
Mar 19, 2025AZI · Full0GEMINI MOTOR TRANSPORT LP 913300CF1803/OK
Nov 4, 2024AZI · Full0GEMINI MOTOR TRANSPORT LP 913300CS1803/OK
Nov 2, 2024AZI · Full1OOSGEMINI MOTOR TRANSPORT LP 913300CS1803/OK
Sep 17, 2024AZII · Walk-around0GEMINI MOTOR TRANSPORT LP 913300CS1803/OK
Aug 12, 2024AZII · Walk-around1GEMINI MOTOR TRANSPORT LP 913300CS1803/OK
May 23, 2024AZII · Walk-around0GEMINI MOTOR TRANSPORT LP 913300CS1803/OK
Dec 9, 2023AZII · Walk-around0GEMINI MOTOR TRANSPORT LP 913300CS1803/OK
Aug 1, 2023AZI · Full0GEMINI MOTOR TRANSPORT LP 913300CS1803/OK
Jul 27, 2023AZI · Full0MARATHON PETROLEUM COMPANY LP 717188CS1803/OK
Jun 14, 2023AZII · Walk-around4GEMINI MOTOR TRANSPORT LP 913300CS1803/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GEMINI MOTOR TRANSPORT LP913300Jun 14, 2023Aug 31, 202510OK
MARATHON PETROLEUM COMPANY LP717188Jul 27, 2023Jul 27, 20231OH
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.
CS1803OKGEMINI MOTOR TRANSPORT LPJun 14, 2023Aug 31, 20259
CF1803OKGEMINI MOTOR TRANSPORT LPMar 19, 2025Mar 19, 20251
CS1803OKMARATHON PETROLEUM COMPANY LPJul 27, 2023Jul 27, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026