Equipment unit · VIN-decoded · NHTSA vPIC

2004 Wally-Mo

1W9H853274H157427 · Trailer · TRAILER
Carriers run under1
6 mo
Inspections4
all-time
OOS inspections2
of 4
First seenNov 30, 2025
SC
Last seenMay 29, 2026
MD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1W9H853274H157427
Make
Wally-Mo
Model
Wally-Mo
Model year
2004
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 9, 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
1W9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
H8532

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2004 or 2034

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

North American serial sequence
157427

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
WALLY-MO

Prefix basis · 109 decoded VINs at 100.0% prefix purity.

Model
Wally-Mo

Prefix basis · 109 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
2004

Observed directly for this VIN via NHTSA vPIC.

Observed make
WALLY-MO

Observed directly for this VIN via NHTSA vPIC.

Observed model
Wally-Mo

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

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 · Nov 30, 2025 – May 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 29, 2026MDII · Walk-around5OOSSS MA TRUCKING INC 408483142N9/MA
May 19, 2026CTIII · Driver-only1SS MA TRUCKING INC 4084831SM42N9/MA
May 15, 2026NCIII · Driver-only0SS MA TRUCKING INC 408483142N9/MA
Nov 30, 2025SCII · Walk-around4OOSSS MA TRUCKING INC 408483142N9/MA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SS MA TRUCKING INC4084831Nov 30, 2025May 29, 20264MA
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.
42N9MASS MA TRUCKING INCNov 30, 2025May 29, 20263
SM42N9MASS MA TRUCKING INCMay 19, 2026May 19, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 9, 2026