Equipment unit · VIN-decoded · NHTSA vPIC

2015 Mack CHU (Pinnacle)

1M1AN07Y6FM020577 · Truck-Tractor · TRUCK
Carriers run under1
30 mo
Inspections8
all-time
OOS inspections2
of 8
First seenSep 14, 2023
AL
Last seenMar 24, 2026
AL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AN07Y6FM020577
Make
Mack
Model
CHU (Pinnacle)
Model year
2015
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
1M1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AN07Y

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1985 or 2015

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

North American serial sequence
020577

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 · 1,371 decoded VINs at 100.0% prefix purity.

Model
CHU (Pinnacle)

Prefix basis · 1,371 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
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
CHU (Pinnacle)

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

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 · Sep 14, 2023 – Mar 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 24, 2026ALII · Walk-around0GUY JOHNSON LOGGING LLC 3303809A536623/MS
Nov 5, 2025MSIII · Driver-only1GUY JOHNSON LOGGING LLC 3303809A536623/AL
Sep 9, 2025ALIII · Driver-only0GUY JOHNSON LOGGING LLC 3303809A536623/MS
Jun 2, 2025ALII · Walk-around1GUY JOHNSON LOGGING LLC 3303809A536623/MS
Apr 21, 2025MSIII · Driver-only1GUY JOHNSON LOGGING LLC 3303809A536623/MS
Mar 21, 2025MSIII · Driver-only1GUY JOHNSON LOGGING LLC 3303809A536623/MS
Mar 11, 2025ALII · Walk-around1OOSGUY JOHNSON LOGGING LLC 3303809A536623/MS
Sep 14, 2023ALII · Walk-around6OOSGUY JOHNSON LOGGING LLC 3303809A316255/MS
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GUY JOHNSON LOGGING LLC3303809Sep 14, 2023Mar 24, 20268MS
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.
A536623MSGUY JOHNSON LOGGING LLCMar 11, 2025Mar 24, 20266
A536623ALGUY JOHNSON LOGGING LLCNov 5, 2025Nov 5, 20251
A316255MSGUY JOHNSON LOGGING LLCSep 14, 2023Sep 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026