SOUTHERN IOWA DIESEL INC
Risk Assessment
Authority Active
Operating authority is currently active in FMCSA records.
Established Carrier
30 years of continuous operating authority.
Unrated
No DOT safety rating on file — common, not disqualifying on its own.
Generate a plain-English risk narrative for SOUTHERN IOWA DIESEL INC — synthesizing authority, safety percentiles, crash recency, and chameleon signals into a broker-ready summary.
Full Report
Safety profile
All 7 FMCSA BASIC percentiles, inspections, and out-of-service rates.
Crash history
Individual crashes by date and severity, fleet-normalized.
Insurance & compliance
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Authority & cross-reference
Revocation history + chameleon flags across 4.4M carriers.
FAQ · SOUTHERN IOWA DIESEL INC
Is SOUTHERN IOWA DIESEL INC a legitimate motor carrier?
SOUTHERN IOWA DIESEL INC is registered with FMCSA under USDOT number 633301. Operating authority status is currently Active.
Where is SOUTHERN IOWA DIESEL INC based?
SOUTHERN IOWA DIESEL INC lists its physical address in OTTUMWA, IA in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.
Is USDOT 633301 active?
USDOT 633301 (SOUTHERN IOWA DIESEL INC) operating authority status is currently Active. Last verified by MC Look Up on April 17, 2026. Data is sourced from live FMCSA federal records.
How many trucks does SOUTHERN IOWA DIESEL INC operate?
SOUTHERN IOWA DIESEL INC reports 1 power unit and employs 3 drivers to FMCSA. These figures come from the carrier's most recent MCS-150 filing.
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