Equipment unit · VIN-decoded · NHTSA vPIC

2020 Smithco manufacturing SMITHCO MANUFACTURING

1S9SS4635LL476556 · Trailer · TRAILER
Carriers run under2
24 mo
Inspections3
all-time
OOS inspections1
of 3
First seen10/06/2023
IA
Last seen10/06/2025
SD
Inspected under 2 different carriers in 24 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
1S9SS4635LL476556
Make
Smithco manufacturing
Model
SMITHCO MANUFACTURING
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
07/26/2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · 10/06/2023 – 10/06/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
10/06/2025SDIII · Driver-only0—FRIESSEN CONSTRUCTION CO INC 227678MC0171/IA
05/24/2024IAI · Full7OOSBEDROCK GRAVEL INC 745944JB7837/IA
10/06/2023IAIII · Driver-only3—BEDROCK GRAVEL INC 745944JB7837/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FRIESSEN CONSTRUCTION CO INC22767810/06/202510/06/20251SD
BEDROCK GRAVEL INC74594410/06/202305/24/20242IA
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.
MC0171IA—FRIESSEN CONSTRUCTION CO INC10/06/2025 → 10/06/20251
JB7837IA—BEDROCK GRAVEL INC10/06/2023 → 05/24/20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/26/2026