F J Krob And Company is an active interstate carrier based in Walker, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 26 | 0 | 0 |
| Tractors | 14 | 0 | 0 |
| Trailers | 16 | 0 | 0 |
| Total Power Units | 40 | ||
Distinct vehicles · 24 mo
vs 40 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 24% | 81% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 75% | 95% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 92% | 94% | 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 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 11 | 0 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 21, 2025 | IA | STRAIGHT TRUCK | 0 | 0 |
| Sep 22, 2025 | IA | TRUCK TRACTOR | 0 | 0 |
| Apr 10, 2025 | IA | STRAIGHT TRUCK | 3 | 0 |
| Mar 21, 2025 | IA | TRUCK TRACTOR | 5 | 2 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.26 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 11.50 | — |
| Driver Fitness | 1 | 0.41 | — |
| 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%.
| Driver Fitness | 2 | 0 | 1 |
| Unsafe Driving | 1 | 1 | 0 |
| Feb 20, 2025 |
| IA |
| TRUCK TRACTOR |
| 2 |
| 1 |
| Jan 15, 2025 | IA | STRAIGHT TRUCK | 1 | 0 |
| Sep 13, 2024 | IA | TRUCK TRACTOR | 0 | 0 |
| Sep 3, 2024 | IA | STRAIGHT TRUCK | 3 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Apr 10, 2025 | 393201B | Bolts securing cab broken/loose/missing | Vehicle Maintenance | — |
| Apr 10, 2025 | 39345B2 | Brake hose or tubing chafing and/or kinking | Vehicle Maintenance | — |
| Apr 10, 2025 | 39345D | Brake connections with leaks or constrictions | Vehicle Maintenance | — |
| Mar 21, 2025 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Mar 21, 2025 | 39311TU | Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Mar 21, 2025 | 39347A | Inadequate brakes for safe stopping - Brake Lining condition | Vehicle Maintenance | Yes |
| Mar 21, 2025 | 39355C1 | Truck Tractor manufactured on or after March 1 1997 not equipped with an antilock brake system | Vehicle Maintenance | — |
| Mar 21, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Feb 20, 2025 | 39111B4 | Medical (Certificate) - Operating a CDL (passenger or property carrying) vehicle that is non-excepted and the driver has self-certified as excepted interstate or | Driver Fitness | Yes |
| Feb 20, 2025 | 39141A1NPH | Operating a property-carrying vehicle without possessing a valid medical certificate - no previous history | Driver Fitness | — |