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FMCSA Carrier Profile

SLADEK TRUCKING LLC

Iowa City, IA

CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized  ·  DOT 3596249 · MC 1377685
No Safety Rating Active 4 yrs, 6 mo
2
Power Units
1
Drivers
4
Inspections
—
Vehicle OOS
$750,000
Insurance

Broker Vetting Summary

Key signals from current FMCSA records

Authority
Active
MC-1377685 · Common carrier
Insurance
On File
Western National Mutual Insurance Co.
Safety
Not Rated
4 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
  • Operating authority active for 4 yrs, 6 mo
  • Insurance on file: $750,000
  • 4 FMCSA inspections on record

Authority & Compliance

Authority, insurance and required filings

Operating Authority

MC1377685
Common Carrier
Active

Insurance on File

WESTERN NATIONAL MUTUAL INSURANCE CO.
BI&PD · $750,000 · Policy 0001243859
On File

Required Filings

Liability (BIPD)
$750,000

Company Information

Registration, contact and cargo details

FMCSA Registration

DOT Number
3596249
MC Number
MC-1377685
Safety Rating
Not Rated
Operation Classification
Authorized for hire, Exempt for hire, Private (property)
MCS-150 Filed
April 2, 2026
FMCSA Registration
March 24, 2021
Authority Granted
March 21, 2022
Annual Mileage
71,812 mi (2025)

Contact Information

Address
4548 Sioux Ave Se, Iowa City, IA 52240-8293
Owner / Officer
Grant Sladek

Cargo Types

General FreightLivestockGrain/FeedDry BulkFarm SuppliesOther Cargo

Safety Snapshot

Out-of-service rates, violations and crashes

Safety & Inspection Summary

Total Inspections
4
Driver Inspections
2
Vehicle Inspections
2
Out-of-Service Violations
1

Violations by Category

Vehicle Maintenance4
Unsafe Driving2
Hours of Service3

OOS Rates vs. National Average

Inspection Trend by Year

2026
1 insp · 0 OOS
2025
1 insp · 0 OOS
2024
2 insp · 1 OOS

Violation Rate by Category

Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.

Vehicle Maintenance 0 of 1 inspections
Unsafe Driving 2 of 3 inspections
Hours of Service 1 of 3 inspections
Driver Fitness 0 of 3 inspections
Controlled Substances 0 of 3 inspections

Fleet & Operating Areas

Observed roadside activity and equipment

Where This Carrier Operates

States where this carrier's roadside inspections were recorded
FewerMore
IA3
IL1

Fleet & Equipment (3)

Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Tractor-Trailer Power units Class 8 · trailers up to 43 ft
Power units
~1
of 2 reported to FMCSA
Trailers
~2
seen at inspection
Units on record
VehicleTypeVINInspectionsWith OOS
2013 Peterbilt 389 Tractor · Class 8 1XPXD49X9DD207185 3 —
2024 Wilson Grain / Hopper · 43 ft 1W1K44320R2278602 2 —
2018 Timpte, Inc Timpte Grain / Hopper · 43 ft 1TDH4302XJB159446 1 —
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.

Inspection Details

Each roadside inspection with its violations

Inspection Records (4)

DateReport #LocationLevelViolOOSShipperUnit TypeMakeVINLicense
January 21, 2026 5005040325 IL-26, IL II 3 — POET BIOREFINING
Truck Tractor
Semi-trailer
PETERBILT
TIMPTE, INC
1XPXD49X9DD207185
1TDH4302XJB159446
IA FT6109
IA LP0332
392.2-SLLEWA1 State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups
392.2-SLLEWA1 State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups
392.2-SLLEWA1 State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups
March 27, 2025 000P16D8PC HWY 20 EB, IA III 1 — WHITE FRONT FEEDS
Truck Tractor
Semi-trailer
PETERBILT
WILSON
1XPXD49X9DD207185
1W1K44320R2278602
IA FT6109
IA KU1917
392.16 Failing to use seat belt while operating a CMV Seat Belt
September 25, 2024 000P12XHRQ HWY 151, IA III 6 — DENEVE TRUCKING
Truck Tractor
Semi-trailer
PETERBILT
WILSON
1XPXD49X9DD207185
1W1K44320R2278602
IA FT6109
IA KU1917
395.8F01 Drivers record of duty status not current Incomplete/Wrong Log
390.21TB Carrier name and/or USDOT Number not displayed as required
395.24C2III Driver failed to manually add shipping document number Other Log/Form & Manner
395.24C2III Driver failed to manually add shipping document number Other Log/Form & Manner
392.16 Failing to use seat belt while operating a CMV Seat Belt
396.17C Operating a CMV without proof of a periodic inspection Inspection Reports
April 11, 2024 000P16DLB3 WB HWY 20, DELAWARE, IA II 6 1 MMACROSOURCE
Truck Tractor
Semi-trailer
PTRB
WILSON
1XPXD49X58D760695
1W1K44320R2278602
IA FW6456
IA KU1917
392.5A3 OOSDriver having possession of alcohol while on duty, or operating, or in physical control of a CMV Alcohol Possession
392.2RG State vehicle registration or License Plate violation
393.60D Windshield / Windows - Tinting permits less than 70% of light transmittance Windshield/ Glass/ Markings
383.71H License (CDL) - CDL or CLP holder possesses a valid medical certificate but is not on file with the issuing state driver's licensing agency as required Medical Certificate
393.11TU Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 Reflective Sheeting
393.11 No or defective lighting devices or reflective material as required Reflective Sheeting

Shippers Seen at Inspections

Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.

ShipperInspectionsMost recent
POET BIOREFINING 1 January 21, 2026
WHITE FRONT FEEDS 1 March 27, 2025
DENEVE TRUCKING 1 September 25, 2024
MMACROSOURCE 1 April 11, 2024

History & Filings

Authority, insurance and process-agent records

Authority History

DateStatusType
March 21, 2022GRANTEDCommon Carrier

Insurance & Revocation Filings

DateTypeStatus
April 12, 2025BI&PD Primary/ExcessOn file

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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 11, 2026. Verify directly on FMCSA SAFER Web.

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