Carrier profile · USDOT 3651099 · Updated Jun 13, 2026

Knoll Brothers Enterprises LLC

DBA RHINEHART EXCAVATING

14 power unitsavg 9.5 yrLocal · 1 statesDALLAS CENTER, IA100/100
AUTHORITY STATUS UNKNOWN
Verified linksFMCSA SAFER

Identity & Federal

The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.

Location

Physical address
28143 240TH ST, DALLAS CENTER, IA, 50063-8281
Mailing address
PO BOX 160, DALLAS CENTER, IA, 50063
Operation
Intrastate (Non-Hazmat)

Contact

Phone
(515) 992-3888
Email
rhinehartexc@gmail.com

Registration

Officer
Dan Knoll
USDOT / docket
3651099
First registered
Jun 7, 2021
Last MCS-150
Sep 26, 2025 · 345,000 mi (2024)
FMCSA safety rating
Not rated
D-U-N-S
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Fleet (self-reported · MCS-150)

14Power units
12Drivers
12CDL drivers
345,000Annual mileage

MCS-150 filing history· biennial-update cadence

Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.