Equipment unit · VIN-decoded · NHTSA vPIC

2017 Mack GU (Granite)

1M2AX07C1HM036585 · Truck · INCOMPLETE VEHICLE
Carriers run under3
32 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJul 26, 2023
CA
Last seenMar 4, 2026
CA
Inspected under 3 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
1M2AX07C1HM036585
Make
Mack
Model
GU (Granite)
Model year
2017
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 23, 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
1M2

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AX07C

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1987 or 2017

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

North American serial sequence
036585

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 · 743 decoded VINs at 100.0% prefix purity.

Model
GU (Granite)

Prefix basis · 743 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
2017

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
GU (Granite)

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Jul 26, 2023 – Mar 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 4, 2026CAII · Walk-around0A1 TRUCKING SERVICES INC 421234941928G3/CA
Mar 27, 2025CAII · Walk-around1A1 TRUCKING SVS INC 325123441928G3/CA
Jan 29, 2025CAII · Walk-around4KAMAL SAROOP SINGH 359690741928G3/CA
Aug 23, 2024CAIII · Driver-only0KAMAL SAROOP SINGH 359690741928G3/CA
Jul 22, 2024CAII · Walk-around4KAMAL SAROOP SINGH 359690741928G3/CA
Jul 26, 2023CAI · Full0KAMAL SAROOP SINGH 359690741928G3/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
A1 TRUCKING SERVICES INC4212349Mar 4, 2026Mar 4, 20261CA
A1 TRUCKING SVS INC3251234Mar 27, 2025Mar 27, 20251CA
KAMAL SAROOP SINGH3596907Jul 26, 2023Jan 29, 20254CA
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.
41928G3CAA1 TRUCKING SERVICES INCMar 4, 2026Mar 4, 20261
41928G3CAA1 TRUCKING SVS INCMar 27, 2025Mar 27, 20251
41928G3CAKAMAL SAROOP SINGHJul 26, 2023Jan 29, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026