Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9X8LD724231 · Truck-Tractor · TRUCK
Carriers run under3
28 mo
Inspections7
all-time
OOS inspections2
of 7
First seen03/21/2024
NC
Last seen07/21/2026
TN
Inspected under 3 different carriers in 28 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
1XPBDP9X8LD724231
Make
Peterbilt
Model
579
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/29/2026
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 · 03/21/2024 – 07/21/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/21/2026TNIII · Driver-only1—BIPOLARBEAR ENTERPRISES LLC 3650011PXD2338/ND
07/14/2026NMII · Walk-around4—SSL TRUCKING INC 3927167U355424/OH
11/12/2025CAII · Walk-around0—SSL TRUCKING INC 3927167PXD2338/OH
10/30/2025CAII · Walk-around1OOSSSL TRUCKING INC 3927167PXD2338/OH
08/29/2025MSI · Full0—SSL TRUCKING INC 3927167T223950/OH
06/29/2024IAII · Walk-around2OOSR & R TRANSPORTATION INC 305573PAS4947/MN
03/21/2024NCI · Full1—R & R TRANSPORTATION INC 305573PAS4947/MN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIPOLARBEAR ENTERPRISES LLC365001107/21/202607/21/20261MS
SSL TRUCKING INC392716708/29/202507/14/20264OH
R & R TRANSPORTATION INC30557303/21/202406/29/20242MN
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.
PXD2338ND1BIPOLARBEAR ENTERPRISES LLC07/21/2026 → 07/21/20261
U355424OH1SSL TRUCKING INC07/14/2026 → 07/14/20261
PXD2338OH—SSL TRUCKING INC10/30/2025 → 11/12/20252
T223950OH—SSL TRUCKING INC08/29/2025 → 08/29/20251
PAS4947MN—R & R TRANSPORTATION INC03/21/2024 → 06/29/20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/29/2026