Equipment unit · VIN-decoded · NHTSA vPIC

2007 Mack CHN

1M1AJ06Y07N007851 · Truck-Tractor · TRUCK
Carriers run under1
29 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJun 17, 2023
TX
Last seenNov 20, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AJ06Y07N007851
Make
Mack
Model
CHN
Model year
2007
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
AJ06Y

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
2007 or 2037

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

North American serial sequence
007851

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 · 245 decoded VINs at 100.0% prefix purity.

Model
CHN

Prefix basis · 245 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
2007

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
CHN

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 · Jun 17, 2023 – Nov 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 20, 2025TXII · Walk-around6OOSPRO FIELD SERVICES INC 995244R766840/TX
Oct 1, 2025TXII · Walk-around4PRO FIELD SERVICES INC 995244R766840/TX
Feb 27, 2025TXII · Walk-around3OOSPRO FIELD SERVICES INC 995244R564557/TX
Jul 21, 2023TXII · Walk-around5PRO FIELD SERVICES INC 995244R564557/TX
Jun 17, 2023TXII · Walk-around0PRO FIELD SERVICES INC 995244R564557/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PRO FIELD SERVICES INC995244Jun 17, 2023Nov 20, 20255TX
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.
R766840TXPRO FIELD SERVICES INCOct 1, 2025Nov 20, 20252
R564557TXPRO FIELD SERVICES INCJun 17, 2023Feb 27, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026