STACK BROS MECHANICAL CONTRACTORS INC
STACK BROS
- 1280175
-
3119 HILL AVE
SUPERIOR, WI 54880 - 134
- 143
- 10
Safety Rating & OOS Rates AND Licensing and Insurance
As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.
- For licensing and insurance information, visit Motus: USDOT Registration System.
- For safety rating and Out-of-Service (OOS) rates, visit SAFER.
- If you are a motor carrier looking for your Inspection Selection System (ISS) value, log in to the FMCSA Portal.
BASIC Status
(Public Property Carrier View)
Behavior Analysis & Safety Improvement Categories (BASICs) Based on a 24-month record ending June 26, 2026
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Unsafe Driving
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Not Public Crash Indicator
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Hours-of-Service Compliance
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Vehicle Maintenance
-
Controlled Substances and Alcohol
-
Not Public Hazardous Materials Compliance
-
Driver Fitness
| On-Road Performance | ||||||
|---|---|---|---|---|---|---|
| 0.15 | Not Public | 0.27 | 10.40 | 0 | Not Public | 0.44 |
| On-Road Performance Detail | ||||||
|
2
No Safety Event Grouping
134
Straight Carrier
|
Not Public |
10
1
3-10 relevant driver inspections
|
8
7
5-10 relevant vehicle inspections
|
10
0
No Safety Event Grouping
|
Not Public |
10
1
5-10 relevant driver inspections
|
| Investigation Results | ||||||
| No Acute/Critical Violations Discovered | N/A | No Acute/Critical Violations Discovered | No Acute/Critical Violations Discovered | No Acute/Critical Violations Discovered | Not Public | No Acute/Critical Violations Discovered |
Select a BASIC icon above to get details, or view your Complete SMS Profile.
Violation Summary
Violations: 25
| Violations | Description | # Violations | # OOS Violations | Violation Severity Weight | BASIC |
|---|---|---|---|---|---|
| 392.16-D | Driver - Failed to use seat belt while operating a CMV | 1 | 0 | 7 | Unsafe Driving |
| 392.2-SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | 1 | 0 | 7 | Unsafe Driving |
| 395.8F01 | Drivers record of duty status not current | 1 | 0 | 5 | HOS Compliance |
| 391.11(b)(4) | Medical (Certificate) - Operating a CDL (passenger or property carrying) vehicle that is non-excepted and the driver has self-certified as excepted interstate or excepted intrastate with the state driver's licensing agency. | 1 | 1 | 2 | Driver Fitness |
| 392.9A2-C | Cargo - Vehicle components or dunnage not secured | 1 | 1 | 1 | Vehicle Maint. |
| 393.110(b) | Insufficient tiedowns to prevent forward movement for load not blocked by headerboard, bulkhead, or other cargo | 1 | 1 | 3 | Vehicle Maint. |
| 393.40A-B | Brake - Inadequate braking system | 1 | 0 | 4 | Vehicle Maint. |
| 393.43(d) | No or defective automatic trailer brake | 1 | 1 | 4 | Vehicle Maint. |
| 393.45B2-B-AIR | Air Brake - Hose/tubing damaged or not secured | 2 | 0 | 4 | Vehicle Maint. |
| 393.48(a) | Inoperative/defective brakes | 1 | 0 | 4 | Vehicle Maint. |
| 393.48A-BIBD | Drum Brake - Inoperative other than a steering axle | 1 | 0 | 4 | Vehicle Maint. |
| 393.48A-BLMACBD | Drum Brake - Loose chamber/spider/camshaft support bracket | 1 | 0 | 4 | Vehicle Maint. |
| 393.55C2-B | Air Brake - CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. System does not function or indicates a fault. | 1 | 0 | 4 | Vehicle Maint. |
| 393.75A3-TAOL | Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | 2 | 2 | 8 | Vehicle Maint. |
| 393.9A-LCL | Lighting - Clearance lamp(s) inoperative | 1 | 0 | 2 | Vehicle Maint. |
| 393.9A-LIL | Lighting - Identification lamp(s) inoperative | 1 | 0 | 2 | Vehicle Maint. |
| 393.9A-LLPL | Lighting - License plate lamp inoperative | 1 | 0 | 2 | Vehicle Maint. |
| 393.9A-LSML | Lighting - Side marker lamp(s) inoperative | 1 | 0 | 2 | Vehicle Maint. |
| 393.9A-LTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | 1 | 1 | 6 | Vehicle Maint. |
| 396.3(a)1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | 2 | 2 | 0 | Vehicle Maint. |
| 396.5B-L | Lubrication - Oil or grease leak | 2 | 0 | 3 | Vehicle Maint. |
Inspection History
Total Inspections: 10
| Report | Vehicle | Measure | |||||
|---|---|---|---|---|---|---|---|
| Inspection Date | Number | State | Plate Number | Plate State | Type |
Severity Weight (SW) |
Time Weight (TiW) |
| 5/20/2026 | WI2764004574 | WI | 76019Z | WI | TRUCK TRACTOR | 3 | |
| 5/12/2026 | WI2824000267 | WI | FB45842 | WI | STRAIGHT TRUCK | 3 | |
| 393.9A-LSML Lighting - Side marker lamp(s) inoperative | 2 | ||||||
| 393.9A-LLPL Lighting - License plate lamp inoperative | 2 | ||||||
| 393.9A-LIL Lighting - Identification lamp(s) inoperative | 2 | ||||||
| 393.9A-LTSI Lighting - Turn signal - Any inoperative on the rearmost vehicle. (OOS) | 6 + 2 (OOS) | ||||||
| 393.40A-B Brake - Inadequate braking system | 4 | ||||||
| 392.9A2-C Cargo - Vehicle components or dunnage not secured (OOS) | 1 + 2 (OOS) | ||||||
| 4/21/2026 | WI2764004522 | WI | 52509Z | WI | STRAIGHT TRUCK | 3 | |
| 396.5B-L Lubrication - Oil or grease leak | 3 | ||||||
| 11/25/2025 | WI2764004316 | WI | 76019Z | WI | TRUCK TRACTOR | 2 | |
| 396.3(a)1BOS Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination (OOS) | 0 + 2 (OOS) | ||||||
| 393.75A3-TAOL Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS (OOS) | 8 + 2 (OOS) | ||||||
| 393.48A-BLMACBD Drum Brake - Loose chamber/spider/camshaft support bracket | 4 | ||||||
| 393.48A-BIBD Drum Brake - Inoperative other than a steering axle | 4 | ||||||
| 7/22/2025 | MN0287000948 | MN | GD98350 | WI | STRAIGHT TRUCK | 2 | |
| 391.11(b)(4) Medical (Certificate) - Operating a CDL (passenger or property carrying) vehicle that is non-excepted and the driver has self-certified as excepted interstate or (OOS) | 2 + 2 (OOS) | ||||||
| 392.2-SLLS3 State/Local Laws - Speeding 11-14 miles per hour over the speed limit | 7 | ||||||
| 5/12/2025 | WI2764003994 | WI | 32552Z | WI | STRAIGHT TRUCK | 1 | |
| 393.9A-LCL Lighting - Clearance lamp(s) inoperative | 2 | ||||||
| 396.5B-L Lubrication - Oil or grease leak | 3 | ||||||
| 393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured | 4 | ||||||
| 5/6/2025 | WI2764003976 | WI | 64015Z | WI | STRAIGHT TRUCK | 1 | |
| 393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured | 4 | ||||||
| 4/15/2025 | WI2764003935 | WI | 36101Z | WI | STRAIGHT TRUCK | 1 | |
| 393.55C2-B Air Brake - CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. System does not function or indicates | 4 | ||||||
| 393.75A3-TAOL Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS (OOS) | 8 + 2 (OOS) | ||||||
| 392.16-D Driver - Failed to use seat belt while operating a CMV | 7 | ||||||
| 7/16/2024 | MN0128000200 | MN | 25297X | WI | TRUCK TRACTOR | 1 | |
| 7/8/2024 | IA000P16D7L9 | IA | FB45843 | WI | STRAIGHT TRUCK | 1 | |
| 396.3(a)1BOS BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination (OOS) | 0 + 2 (OOS) | ||||||
| 395.8F01 Drivers record of duty status not current | 5 | ||||||
| 393.48(a) Inoperative/defective brakes | 4 | ||||||
| 393.43(d) No or defective automatic trailer brake (OOS) | 4 + 2 (OOS) | ||||||
| 393.110(b) Insufficient tiedowns to prevent forward movement for load not blocked by headerboard, bulkhead, or other cargo (OOS) | 3 + 2 (OOS) | ||||||
Reviewed-Not Preventable Crash Activity (vehicles involved in crashes)
Total Number of Crashes: 0
This carrier has no crashes to display.
Crashes Included in SMS (vehicles involved in crashes)
Total Number of Crashes: 0
This carrier has no crashes to display.
Investigation Results
Acute/Critical Violations: 0
This carrier has no Acute/Critical violations to display.
Summary of Activities
The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.
- 2/17/2011 (Non-Ratable Review)
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10
- 2
- 8
- : 0
*Crashes listed represent a motor carrier’s involvement in reportable crashes, regardless of the carrier’s or driver’s role in the crash. Continue for details.
Continue for more Crash, Inspection & Investigation DetailsCarrier Registration
Flags
Inspection Selection System
As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.
- For licensing and insurance information, visit Motus: USDOT Registration System.
- For safety rating and Out-of-Service (OOS) rates, visit SAFER.
- If you are a motor carrier looking for your Inspection Selection System (ISS) value, log in to the FMCSA Portal.
Enforcement Cases
(Six years as of 07/18/2026 updated monthly from FMCSA )
No penalties found
Tools/Resources
SMS Methodology How to Improve Request a Data ReviewFor U.S. DOT# 1280175
Complete SMS Profile Carrier History DownloadsUse of SMS Data/Information
FAST Act of 2015:
Readers should not draw conclusions about a carrier's overall safety condition simply based on the data displayed in this system. Unless a motor carrier has received an UNSATISFACTORY safety rating under part 385 of title 49, Code of Federal Regulations, or has otherwise been ordered to discontinue operations by the Federal Motor Carrier Safety Administration, it is authorized to operate on the Nation's roadways.
Safety Measurement System:
The data in the Safety Measurement System (SMS) is performance data used by the
Agency and Enforcement Community. A
symbol, based on that data, indicates that FMCSA may prioritize a motor carrier
for further monitoring.
The
symbol is not intended to imply any federal safety rating of the carrier pursuant
to 49 USC 31144. Readers should not draw conclusions about a carrier's overall safety
condition simply based on the data displayed in this system. Unless a motor carrier
in the SMS has received an UNSATISFACTORY safety rating pursuant to 49 CFR Part
385, or has otherwise been ordered to discontinue operations by the FMCSA, it is
authorized to operate on the nation's roadways.
Motor carrier safety ratings are available at http://safer.fmcsa.dot.gov and motor carrier licensing and insurance status are available at http://li-public.fmcsa.dot.gov/.