Equipment unit · VIN-decoded · NHTSA vPIC

2003 Advanced Trailer Manufacturing

1SPPF503X31003085 · TRAILER
Carriers run under2
38 mo
Inspections10
all-time
OOS inspections6
of 10
First seenJul 28, 2023
MO
Last seenSep 25, 2026
TN
Inspected under 2 different carriers in 38 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
1SPPF503X31003085
Make
Advanced Trailer Manufacturing
Model
Not decoded
Model year
2003
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Oct 7, 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
1SP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
PF503

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2003 or 2033

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

North American serial sequence
003085

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2003

Observed directly for this VIN via NHTSA vPIC.

Observed make
ADVANCED TRAILER MANUFACTURING

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 28, 2023 – Sep 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 25, 2026TNII · Walk-around5OOSBTR INVESTMENTS LLC 402905206M6NG/MO
May 29, 2026TNI · Full0—JIM WILLIAMS 62824106M6NG/MO
Jan 21, 2026KYIII · Driver-only4—BTR INVESTMENTS LLC 402905206M6NG/MO
Sep 25, 2025TNI · Full7OOSBTR INVESTMENTS LLC 402905289M6CP/MO
Aug 8, 2025TNI · Full3OOSBTR INVESTMENTS LLC 402905289M6CP/MO
Mar 7, 2025ALII · Walk-around4—BTR INVESTMENTS LLC 402905211M9BV/MO
May 7, 2024TNI · Full5OOSBTR INVESTMENTS LLC 40290528926CP/MO
May 6, 2024KYI · Full9OOSBTR INVESTMENTS LLC 40290528926CP/MO
Aug 17, 2023ALI · Full7—BTR INVESTMENTS LLC 402905254L2YU/MO
Jul 28, 2023MOIII · Driver-only1OOSBTR INVESTMENTS LLC 402905254L2YU/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BTR INVESTMENTS LLC4029052Jul 28, 2023Sep 25, 20269MO
JIM WILLIAMS628241May 29, 2026May 29, 20261MO
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.
06M6NGMO2BTR INVESTMENTS LLCJan 21, 2026 → Sep 25, 20262
06M6NGMO—JIM WILLIAMSMay 29, 2026 → May 29, 20261
89M6CPMO—BTR INVESTMENTS LLCAug 8, 2025 → Sep 25, 20252
11M9BVMO—BTR INVESTMENTS LLCMar 7, 2025 → Mar 7, 20251
8926CPMO—BTR INVESTMENTS LLCMay 6, 2024 → May 7, 20242
54L2YUMO—BTR INVESTMENTS LLCJul 28, 2023 → Aug 17, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Oct 7, 2026