Equipment unit · VIN-decoded · NHTSA vPIC

2013 Mack CHU (Pinnacle)

1M1AN07YXDM014049 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections4
all-time
OOS inspections1
of 4
First seenAug 11, 2023
WI
Last seenMay 20, 2026
IA
Inspected under 2 different carriers in 33 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
1M1AN07YXDM014049
Make
Mack
Model
CHU (Pinnacle)
Model year
2013
Body class
Truck-Tractor
Vehicle type
TRUCK
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
1M1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AN07Y

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1983 or 2013

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

North American serial sequence
014049

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
2013

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 · Aug 11, 2023 – May 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 20, 2026IAI · Full8OOSTHOMAS TRUCKING INC 1509538FZ7733/IA
Jan 20, 2025IAII · Walk-around2THOMAS TRUCKING INC 1509538FP3967/IA
Jun 18, 2024IAIII · Driver-only1THOMAS TRUCKING INC 1509538FP3967/IA
Aug 11, 2023WIII · Walk-around1DINGUS TRANSPORT SERVICES INC 2584888FP3967/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THOMAS TRUCKING INC1509538Jun 18, 2024May 20, 20263IA
DINGUS TRANSPORT SERVICES INC2584888Aug 11, 2023Aug 11, 20231IA
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.
FZ7733IATHOMAS TRUCKING INCMay 20, 2026May 20, 20261
FP3967IATHOMAS TRUCKING INCJun 18, 2024Jan 20, 20252
FP3967IADINGUS TRANSPORT SERVICES INCAug 11, 2023Aug 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026