Equipment unit · VIN-decoded · NHTSA vPIC

1M1AN4GY6MM021779

Not yet decoded
Carriers run under2
31 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 13, 2023
TN
Last seenJan 26, 2026
TN
Inspected under 2 different carriers in 31 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1991 or 2021

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

North American serial sequence
021779

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 · Jun 13, 2023 – Jan 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 26, 2026TNIII · Driver-only11UP TRUCKING LLC 2801891V7007HY/TN
Jun 13, 2023TNIII · Driver-only1RELIABLE CARRIERS INC 213582M2999HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
1UP TRUCKING LLC2801891Jan 26, 2026Jan 26, 20261TN
RELIABLE CARRIERS INC213582Jun 13, 2023Jun 13, 20231TN
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.
V7007HYTN1UP TRUCKING LLCJan 26, 2026Jan 26, 20261
M2999HYTNRELIABLE CARRIERS INCJun 13, 2023Jun 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC