Ronald L Kowalewsky Debra M Kowalewsky (DOT# 1866915) – FMCSA Carrier Profile
doing business as RONS BACKHOE EXCAVAT
DOT# 1866915● Active
Updated monthly · 2026-03-09
This carrier is active. Review the inspection and crash data below.
Ronald L Kowalewsky Debra M Kowalewsky is a registered motor carrier with the FMCSA under USDOT number 1866915. The company operates from Williams, AZ and maintains an active operating status with 1 power units and 1 drivers on record.
Safety Rating
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Company Information
Address1286 Pine Vally Road, Williams, AZ, 86046
Phone(602) 971-8738
EmailDKOWALE@COX.NET
Entity TypePrivate Property
OperationIntrastate (Non-Hazmat)
Power Units1(Small carrier)
Drivers1
MCS-150 FiledMarch 19, 2009
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Frequently Asked Questions
What is USDOT Number 1866915?
USDOT number 1866915 is assigned to Ronald L Kowalewsky Debra M Kowalewsky, an active motor carrier registered with the FMCSA, based in Williams, AZ.
Where is Ronald L Kowalewsky Debra M Kowalewsky located?
Ronald L Kowalewsky Debra M Kowalewsky is headquartered at 1286 Pine Vally Road, Williams, AZ 86046.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 1866915 · Last updated: 2026-03-09. View official FMCSA record →