Black Stack Trucking LLC Safety Record
DOT# 3669831 · Spanish Fork, UT 84660-4606 · 3854839276
Excellent safety record — scored 10/100 (lower is better). This carrier has one of the best inspection records on file.
Last inspected 11/26/2025
Safety Score Breakdown · 10/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Black Stack Trucking LLC (DOT# 3669831) in Spanish Fork, Utah has 8 inspections on record with 20 violations and a 12.5% vehicle out-of-service rate. Safety grade: A (excellent safety record). Active common authority.
Out-of-Service Rates vs. National Average
An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.
Violation Categories · 20 total violations
FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.
Inspection History · 8 records
FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.
| Date | State | Veh OOS | Drv OOS |
|---|---|---|---|
| 11/26/2025 | NV | 0 | 0 |
| 10/03/2025 | WY | 0 | 0 |
| 03/10/2025 | UT | 0 | 0 |
| 11/07/2024 | UT | 0 | 0 |
| 11/04/2024 | UT | 0 | 0 |
| 02/01/2024 | MT | 1 | 0 |
| 09/26/2023 | UT | 0 | 0 |
| 04/07/2023 | UT | 0 | 0 |
Authority & Insurance
FMCSA operating authority permits interstate for-hire transportation. Carriers must maintain minimum insurance coverage levels to keep authority active. BIPD (bodily injury and property damage) insurance is required for all for-hire carriers.
| Type | Insurer | Coverage |
|---|---|---|
| BIPD/Primary | Western National Mutual Insurance Co. | $750 |
Fleet Profile
Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.