Equipment unit · VIN-decoded · NHTSA vPIC

1999 Freightliner Long Conv.

1FUPCXZB5XPF06231 · Truck-Tractor · TRUCK
Carriers run under2
15 mo
Inspections5
all-time
OOS inspections0
of 5
First seen10/17/2023
OK
Last seen01/29/2025
OK
Inspected under 2 different carriers in 15 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
1FUPCXZB5XPF06231
Make
Freightliner
Model
Long Conv.
Model year
1999
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/28/2026
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 · 10/17/2023 – 01/29/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
01/29/2025OKIII · Driver-only1—DIAMOND D TRUCKING LLC 2189813729980/OK
01/28/2025OKIII · Driver-only1—DIAMOND D TRUCKING LLC 2189813729980/OK
11/25/2024OKIII · Driver-only0—SONYA SPENCE 3275053724861/OK
02/26/2024OKIII · Driver-only0—DIAMOND D TRUCKING LLC 2189813724861/OK
10/17/2023OKIII · Driver-only1—DIAMOND D TRUCKING LLC 2189813724861/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAMOND D TRUCKING LLC218981310/17/202301/29/20254OK
SONYA SPENCE327505311/25/202411/25/20241OK
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.
729980OK—DIAMOND D TRUCKING LLC01/28/2025 → 01/29/20252
724861OK—SONYA SPENCE11/25/2024 → 11/25/20241
724861OK—DIAMOND D TRUCKING LLC10/17/2023 → 02/26/20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/28/2026
1999 Freightliner Long Conv. — VIN 1FUPCXZB5XPF06231