Safety Measurement System - Complete SMS Profile (U.S. DOT# 660041)

SUMMA HUMMA ENTERPRISES LLC

DBA: MB TRACTOR & EQUIPMENT

U.S. DOT#: 660041

Number of Vehicles: 44
Number of Drivers: 44
Number of Inspections: 18

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 July 31, 2026

On-Road Performance
0.11 Measure	Not Public	0 Measure	5.41 Measure	0 Measure	Not Public	1.07 Measure
On-Road Performance Detail
Driver Inspections with Unsafe Driving Violations: 1 Safety Event Group: No Safety Event Grouping Avg. PU × UF: 42 Segment: Combination Carrier	Not Public	Driver Inspections: 18 with HOS Compliance Violations: 0 Safety Event Group: 11-20 relevant driver inspections	Vehicle Inspections: 10 with Vehicle Maint. Violations: 7 Safety Event Group: 5-10 relevant vehicle inspections	Driver Inspections: 18 with Drugs/Alcohol Violations: 0 Safety Event Group: No Safety Event Grouping	Not Public	Driver Inspections: 18 with Driver Fitness Violations: 3 Safety Event Group: 11-20 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: 15


Violations	Description	# Violations	# OOS Violations	Violation Severity Weight	BASIC

392.2-SLLTCD	State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other	1	0	5	Unsafe Driving
383.23A2-LCDLN	License (CDL) - Operate a CMV and does not possess a valid CDL	1	1	8	Driver Fitness
391.41APC	Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency when medical certification is required.	1	1	1	Driver Fitness
392.2-MCSR	Medical (Certificate) - Operating a CMV while in violation of state medical certification regulations	1	0	1	Driver Fitness
392.8-D	Driver - Failed to inspect /use emergency equipment	3	0	2	Vehicle Maint.
393.130B-CHVE	Heavy Vehicles/Equipment - Improper securement of accessory equipment or articulated vehicles	1	1	7	Vehicle Maint.
393.43	No/improper breakaway or emergency braking	1	1	4	Vehicle Maint.
393.43D-B	Brake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly	1	1	4	Vehicle Maint.
393.43DBMA	Brake - Breakaway not attached to the towing vehicle	1	1	4	Vehicle Maint.
393.45D-BAAL	Air Brake - Audible air leak at other than a proper connection	1	1	4	Vehicle Maint.
393.48A-BIHE	Hydraulic/Electric Brake - Inoperative other than a steering axle.	1	0	4	Vehicle Maint.
393.95A1	Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.	1	0	2	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	1	1	0	Vehicle Maint.

Inspection History

Total Inspections: 18


Report			Vehicle			Measure
Inspection Date	Number	State	Plate Number	Plate State	Type	Severity Weight (SW)	Time Weight (TiW)

3/10/2026	NH1313001005	NH	4856798	NH	OTHER		3
Vehicle Maint. Violation: 393.43D-B Brake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly (OOS)						4 + 2 (OOS)
Driver Fitness Violation: 392.2-MCSR Medical (Certificate) - Operating a CMV while in violation of state medical certification regulations						1
1/13/2026	NH1128002865	NH	5182978	NH	STRAIGHT TRUCK		2
11/24/2025	VT51A0001505	VT	23AP23	NH	TRUCK TRACTOR		2
Vehicle Maint. Violation: 393.130B-CHVE Heavy Vehicles/Equipment - Improper securement of accessory equipment or articulated vehicles (OOS)						7 + 2 (OOS)
11/18/2025	ME0091650626	ME	11AP01	NH	TRUCK TRACTOR		2
10/31/2025	NH1086002313	NH	5511981	NH	STRAIGHT TRUCK		2
Vehicle Maint. Violation: 392.8-D Driver - Failed to inspect /use emergency equipment						2
Vehicle Maint. Violation: 393.95A1 Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.						2
10/2/2025	NH1094004930	NH	7AP519	NH	TRUCK TRACTOR		2
Vehicle Maint. Violation: 393.45D-BAAL Air Brake - Audible air leak at other than a proper connection (OOS)						4 + 2 (OOS)
9/29/2025	NH1086002217	NH	5347837	NH	STRAIGHT TRUCK		2
Vehicle Maint. Violation: 393.43DBMA Brake - Breakaway not attached to the towing vehicle (OOS)						4 + 2 (OOS)
Vehicle Maint. Violation: 392.8-D Driver - Failed to inspect /use emergency equipment						2
Driver Fitness Violation: 391.41APC Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency (OOS)						1 + 2 (OOS)
Vehicle Maint. Violation: 393.48A-BIHE Hydraulic/Electric Brake - Inoperative other than a steering axle.						4
Vehicle Maint. Violation: 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)
8/21/2025	NH1230001804	NH	11AP01	NH	TRUCK TRACTOR		2
Driver Fitness Violation: 383.23A2-LCDLN License (CDL) - Operate a CMV and does not possess a valid CDL (OOS)						8 + 2 (OOS)
6/25/2025	NH1086001917	NH	4647582	NH	STRAIGHT TRUCK		1
Vehicle Maint. Violation: 392.8-D Driver - Failed to inspect /use emergency equipment						2
5/15/2025	MADD00002351	MA	23AP22	NH	TRUCK TRACTOR		1
5/14/2025	NH1086001816	NH	23AP22	NH	TRUCK TRACTOR		1
4/23/2025	NH0850001904	NH	4AP813	NH	STRAIGHT TRUCK		1
3/17/2025	NH1086001640	NH	5182977	NH	STRAIGHT TRUCK		1
12/17/2024	NH1292002337	NH	5347836	NH	STRAIGHT TRUCK		1
11/21/2024	ME9195000036	ME	T542979	NH	SEMI-TRAILER		1
11/5/2024	NH1128002135	NH	7AP602	NH	TRUCK TRACTOR		1
10/31/2024	ME3995004778	ME	4873354	NH	STRAIGHT TRUCK		1
Unsafe Driving Violation: 392.2-SLLTCD State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other						5
8/21/2024	CT3132004865	CT	4AP813	NH	STRAIGHT TRUCK		1
Vehicle Maint. Violation: 393.43 No/improper breakaway or emergency braking (OOS)						4 + 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.

Most Recent Investigation: 12/6/2010 (Compliance Review)
Total Inspections: 18
- Total Inspections without Violations used in SMS: 9
- Total Inspections with Violations used in SMS: 9
Total Crashes* : 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 Details

Carrier Registration

Carrier Registration Details Subject to General Threshold Update Registration Info

Inspection Selection System

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 08/23/2026 updated monthly from FMCSA )

No penalties found

Tools/Resources

SMS Methodology How to Improve Request a Data Review

For U.S. DOT# 660041

Complete SMS Profile Carrier History Downloads

Summary of Activities (as of 7/31/2026, updated monthly)

The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.

Most Recent Investigation: 12/6/2010 (Compliance Review)	Total Inspections: 18 Total inspections without violations used in SMS: 9 Total inspections with violations used in SMS: 9	Total Crashes: 0*
12/6/2010 (Compliance Review)	# Insp. OOS Driver Inspections 18 11.1% Vehicle Inspections 10 50.0% Placardable HM Inspections 0 0.0% % Placardable HM Inspections 0.0%	Fatal Crashes 0 Injury Crashes 0 Towaway Crashes 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.

Downloads

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Average PU × Utilization Factor (as of 7/31/2026, updated monthly)

The SMS normalizes the Unsafe Driving and Crash Indicator BASICs measure by carrier size (i.e., a hybrid power unit and vehicle miles travelled measure) to account for exposure. Carrier size is defined as average power units multiplied by the utilization factor.

42 Average PU × Utilization Factor = 42 Average Power Units × 1 Utilization Factor

Average Power Units
Utilization Factor

In order to account for changes in a carrier's fleet size during the previous 24 months an average power unit value is used in the calculation to determine a carrier's Unsafe Driving BASIC and Crash Indicator measures.

42 Average Power Units = 44 Current Power Units + 43 Power Units 6 Months Ago + 39 Power Units 18 Months Ago
3

The Utilization Factor is a multiplier that adjusted the average PU values based on the utilization in terms of VMT per average PU.

Determine Carrier Segment: Combo
Combination trucks/motor coach buses constituting 70% or more of the total PU
U.S. DOT# 660041 = 100% Combination trucks/motor coach buses
Determine VMT per Average Power Unit
8,619 VMT per Average Power Unit = 362,000 VMT From Registration (MCS-150) ÷ 42 Average Power Units

Based on Step 1 and 2 calculate the Utilization Factor

Combo Segment
Meets Criteria	VMT per Avgerage PU	Utilization Factor
	< 80,000	1
	80,000 – 160,000	1 + (VMT per PU − 80,000) ÷ 133,333
	160,000 – 200,000	1.6
	> 200,000	1
	No Recent VMT Information	1

Use 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/.