Winterfeld Feed & Transport Inc is an active interstate carrier based in Sioux Center, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 9 | 0 | 0 |
| Tractors | 9 | 0 | 0 |
| Trailers | 8 | 5 | 0 |
| Total Power Units | 9 | ||
Distinct vehicles · 24 mo
vs 9 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 89% | 92% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 88% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 95% | 97% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 1 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 12 | 6 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 6, 2026 | IA | TRUCK TRACTOR | 6 | 3 |
| Apr 22, 2025 | IA | TRUCK TRACTOR | 1 | 0 |
| Mar 20, 2025 | IA | TRUCK TRACTOR | 2 | 0 |
| Mar 11, 2025 | IA | TRUCK TRACTOR | 0 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 4.66 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 5 | 16.85 | — |
| Driver Fitness | 1 | 0.81 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 1 state. Top state IA accounts for 100% of activity. Activity outside home state (IA): 0%.
| Unsafe Driving |
| 6 |
| 3 |
| 0 |
| Driver Fitness | 1 | 0 | 1 |
| Jan 17, 2025 |
| IA |
| TRUCK TRACTOR |
| 2 |
| 0 |
| Oct 7, 2024 | IA | TRUCK TRACTOR | 4 | 0 |
| Aug 5, 2024 | IA | TRUCK TRACTOR | 3 | 0 |
| Jul 18, 2024 | IA | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 6, 2026 | 39141A | Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency. History of either fail | Driver Fitness | Yes |
| Jan 6, 2026 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Jan 6, 2026 | 39345D | Brake connections with leaks or constrictions | Vehicle Maintenance | — |
| Jan 6, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Jan 6, 2026 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Jan 6, 2026 | 3939TS | Inoperative turn signal | Vehicle Maintenance | — |
| Apr 22, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Mar 20, 2025 | 39345B2 | Brake hose or tubing chafing and/or kinking | Vehicle Maintenance | — |
| Mar 20, 2025 | 39375C | Tire-other tread depth less than 2/32 of inch measured in a major tread groove | Vehicle Maintenance | — |
| Jan 17, 2025 | 3922FC | Following too close | Unsafe Driving | — |