Equipment unit · VIN-decoded · NHTSA vPIC

2005 Acro Trailer Company

1A911422X51005025 · TRAILER
Carriers run under1
28 mo
Inspections2
all-time
OOS inspections2
of 2
First seenJan 8, 2024
TN
Last seenMay 11, 2026
TN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1A911422X51005025
Make
Acro Trailer Company
Model
Not decoded
Model year
2005
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 11, 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
1A9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
11422

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2005 or 2035

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

North American serial sequence
005025

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
ACRO TRAILER COMPANY

Prefix basis · 25 decoded VINs at 100.0% prefix purity.

Model
Acro Trailer Company

Prefix basis · 25 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
2005

Observed directly for this VIN via NHTSA vPIC.

Observed make
ACRO TRAILER COMPANY

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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 · Jan 8, 2024 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026TNII · Walk-around3OOSBROOKS GREASE SERVICE INC 283408DS4338/OK
Jan 8, 2024TNI · Full1OOSBROOKS GREASE SERVICE INC 283408CF5977/UK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BROOKS GREASE SERVICE INC283408Jan 8, 2024May 11, 20262OK
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.
DS4338OKBROOKS GREASE SERVICE INCMay 11, 2026May 11, 20261
CF5977UKBROOKS GREASE SERVICE INCJan 8, 2024Jan 8, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 11, 2026