Guntren Trucking Llc is an active interstate carrier based in Sioux City, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 22 | 0 | 0 |
| Tractors | 22 | 0 | 0 |
| Trailers | 73 | 0 | 0 |
| Total Power Units | 22 | ||
Distinct vehicles · 24 mo
vs 22 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 95% | 93% | Worse than most peers |
| HOS Compliance | 79% | 94% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 41% | 86% | Around peer average |
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 | 0 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 14 | 6 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 19, 2026 | KS | TRUCK TRACTOR | 0 | 0 |
| Mar 9, 2026 | IA | TRUCK TRACTOR | 1 | 0 |
| Mar 1, 2026 | IA | TRUCK TRACTOR | 0 | 0 |
| Jan 11, 2026 | IA | TRUCK TRACTOR | 0 | 0 |
| Dec 17, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 14 | 5.38 | — |
| HOS Compliance | 2 | 0.13 | — |
| Vehicle Maintenance | 9 | 2.90 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 14 states. Top state IA accounts for 23% of activity. Activity outside home state (IA): 77%.
+9 other states with fewer inspections
| Vehicle Maintenance |
| 13 |
| 1 |
| 1 |
| Hours-of-Service Compliance | 3 | 0 | 0 |
| US |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Dec 8, 2025 | CA | TRUCK TRACTOR | 4 | 0 |
| Dec 5, 2025 | NE | TRUCK TRACTOR | 2 | 0 |
| Dec 2, 2025 | IA | TRUCK TRACTOR | 1 | 0 |
| Dec 1, 2025 | IL | TRUCK TRACTOR | 0 | 0 |
| Nov 11, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 9, 2026 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Dec 17, 2025 | 3963A1OAL | Other - Any air leak not attributed to the brake or suspension system. | Vehicle Maintenance | — |
| Dec 8, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Dec 8, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Dec 8, 2025 | 39524DELDPT | HOS (ELD) - On request by an authorized safety official a driver must produce and transfer from an ELD the driver's hours of service records in accordance with t | Hours-of-Service Compliance | — |
| Dec 8, 2025 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | — |
| Dec 5, 2025 | 39282DUMT | Driver - Using a hand-held mobile telephone | Unsafe Driving | — |
| Dec 5, 2025 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Dec 2, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Aug 24, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |