Jb Sittner Trucking Llc is an active interstate carrier based in Nunn, CO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 15 | 0 | 0 |
| Tractors | 20 | 0 | 0 |
| Trailers | 37 | 0 | 0 |
| Total Power Units | 35 | ||
Distinct vehicles · 24 mo
vs 35 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 90% | 97% | Worse than most peers |
| Driver Fitness | 90% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 53% | 88% | 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 | 1 | 2 | 1 | 1 |
| Jan 1, 2025 | 0 | 2 | 1 | 1 |
| Jul 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 4 | 0 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 27, 2026 | MT | TRUCK TRACTOR | 0 | 0 |
| Jan 29, 2026 | CO | TRUCK TRACTOR | 0 | 0 |
| Jan 14, 2026 | CO | TRUCK TRACTOR | 0 | 0 |
| Dec 12, 2025 | MT | STRAIGHT TRUCK | 0 | 0 |
| Sep 4, 2025 | IA |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 2 | 0.16 | — |
| Vehicle Maintenance | 2 | 1.71 | — |
| Driver Fitness | 1 | 0.55 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state CO accounts for 36% of activity. Activity outside home state (CO): 64%.
| Hours-of-Service Compliance |
| 2 |
| 0 |
| 0 |
| Driver Fitness | 1 | 1 | 1 |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Apr 16, 2025 | CO | TRUCK TRACTOR | 1 | 0 |
| Dec 10, 2024 | WY | TRUCK TRACTOR | 0 | 0 |
| Dec 10, 2024 | WY | TRUCK TRACTOR | 0 | 0 |
| Jul 1, 2024 | WY | STRAIGHT TRUCK | 1 | 1 |
| Jun 4, 2024 | CO | STRAIGHT TRUCK | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Apr 16, 2025 | 39524 | HOS (ELD) - ELD Form and Manner | Hours-of-Service Compliance | — |
| Jul 1, 2024 | 38323A2 | Operating a CMV without a CDL | Driver Fitness | Yes |
| Jun 4, 2024 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Jun 4, 2024 | 39522H4ELDBRODS | HOS (ELD) - In-Vehicle Information - Failing to have a supply of blank driver's records of duty status graph-grids sufficient to record the driver's duty status a | Hours-of-Service Compliance | — |
| May 24, 2024 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| May 24, 2024 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| May 24, 2024 | 3963A1BNMH | Brake - Non-manufactured hole or crack in the spring brake housing section of a parking brake | Vehicle Maintenance | Yes |