TRANSPORTES UNIDOS DE NORTEAMERICA SA
TUNSA
- 634763
-
FRANCISCO I MADERO #101
OJINAGA, CI 32882 - 20
- 9
- 216
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 May 15, 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
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Controlled Substances and Alcohol
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Not Public Hazardous Materials Compliance
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Driver Fitness
Select a BASIC icon above to get details, or view your Complete SMS Profile.
Vehicle Maintenance
On-Road Performance
11.97
Safety Event Group: 101-500 relevant vehicle inspections
Investigation Results
No Acute/Critical Violations Discovered
Carrier Measure Over Time
- Trends
This graph displays a carrier’s measure based on 24 months of on-road performance. Zero indicates the best performance. To see how the measure is calculated click here. To see how the measure relates to percentile click here. Expand for more information.
- 16
- 12
- 8
- 4
- 0
- -4
- Dec 26
- Jan 30
- Feb 27
- Mar 27
- Apr 24
- May 15
- 2025
- 2026
- 2026
- 2026
- 2026
- 2026
| Dec 26 2025 | Jan 30 2026 | Feb 27 2026 | Mar 27 2026 | Apr 24 2026 | May 15 2026 | |
|---|---|---|---|---|---|---|
| Measure | 11.41 | 11.60 | 11.63 | 11.82 | 12.03 | 11.97 |
| Measure | 0 | 0 | 0 | 0 | 0 | 0 |
Violation Summary
Vehicle Maint. Violations: 625
| Violations | Description | # Violations | # OOS Violations | Violation Severity Weight |
|---|---|---|---|---|
| 393.60(c) | Windshield - Damaged or Discolored | 63 | 0 | 1 |
| 396.3A1-OAL | Other - Any air leak not attributed to the brake or suspension system. | 53 | 0 | 4 |
| 393.75C-TAOTD-LT2/32 | Tires - Less than 2/32 inch tread depth | 52 | 0 | 8 |
| 393.53BMAN | Air Brake - CMV manufactured on or after 10/20/1994 is not equipped with automatic air brake adjusters | 43 | 0 | 4 |
| 393.201A-FRCLS | Frame - Cracked/loose/sagging/broken frame or chassis | 33 | 0 | 2 |
| 396.3A1-ALBV | Air Brake - Any leak from a brake valve | 29 | 0 | 4 |
| 393.47(e) | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | 27 | 0 | 4 |
| 393.207F-SLAS | Suspension - Leaking 3 PSI in 5 minutes | 24 | 0 | 7 |
| 393.75A3-TAOL | Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | 22 | 22 | 8 |
| 393.209E-SPSLA | Steering - Power steering leaking anywhere. | 21 | 0 | 6 |
| 393.45D-B | Air Brake - Audible air leak at a proper connection | 20 | 0 | 4 |
| 393.53B-B | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | 20 | 0 | 4 |
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | 20 | 0 | 4 |
| 393.9A-LSML | Lighting - Side marker lamp(s) inoperative | 18 | 0 | 2 |
| 396.5B-L | Lubrication - Oil or grease leak | 17 | 0 | 3 |
| 393.9A-LLPL | Lighting - License plate lamp inoperative | 13 | 0 | 2 |
| 393.9A-LCL | Lighting - Clearance lamp(s) inoperative | 10 | 0 | 2 |
| 396.3A1-BALAC | Brake - Audible air leak from a brake chamber | 10 | 0 | 4 |
| 393.207A-SAPPCBLM | Suspension - Axle positioning part cracked/broken/loose/missing. | 9 | 0 | 7 |
| 393.9A-LBL | Lighting - Backup lamp inoperative | 9 | 0 | 6 |
| 393.83(g) | Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment | 8 | 0 | 1 |
| 393.78 | Wipers - Inoperative / missing / damaged wipers | 7 | 0 | 1 |
| 393.11B-CSRIGRR | Conspicuity Systems - Trailers, rear impact guard retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 | 6 | 0 | 3 |
| 393.45B2-B-AIR | Air Brake - Hose/tubing damaged or not secured | 6 | 0 | 4 |
| 393.9A-LSLI | Lighting - Stop lamps - Any inoperative. | 6 | 0 | 6 |
| 393.47A-BCLMBD | Drum Brake - Cracked/loose/missing lining/pad | 5 | 0 | 4 |
| 393.75A1-TEPBM | Tires - All others - Exposed ply or belt material in tread or sidewall area | 5 | 0 | 8 |
| 393.9A-LIL | Lighting - Identification lamp(s) inoperative | 5 | 0 | 2 |
| 393.47C-BSAMBD | Drum Brake - Slack adjuster length mismatched on the same axle other than a steering axle | 4 | 0 | 4 |
| 393.75A4-PBME | Tires - Has a cut to the extent that the ply or belt material is exposed. | 4 | 0 | 8 |
| 393.78A-WS | Washers - Inoperative washing system. | 4 | 0 | 1 |
| 393.205C-WRAWFLMIB | Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. | 3 | 0 | 2 |
| 393.86B2-RIG | Rear Impact Guards - All other CMV's, manufactured after December 31, 1952 inadequate construction/attachment | 3 | 0 | 2 |
| 393.9A-LFTSI | Lighting - Front - Turn signal - inoperative | 3 | 0 | 6 |
| 393.9A-LTSIR | Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit | 3 | 0 | 6 |
| 396.3A1-AASGMD-L6 | Any of the slider-guide/hold-down brackets are missing or disengaged. | 3 | 0 | 3 |
| 396.3A1-DLDSUJBCB | Driveline/Driveshaft - Any missing, broken or loose universal joint bearing cap bolt, bearing strap or retainer bolt | 3 | 3 | 3 |
| 393.207A-SUBL | Suspension - U-bolt, u-bolt bottom plate, or other axle clamp bolt loose/cracked/broken/missing. | 2 | 2 | 7 |
| 393.45D-BAAL | Air Brake - Audible air leak at other than a proper connection | 2 | 2 | 4 |
| 393.9A-LHWS | Lighting - Hazard warning signal(s) inoperative | 2 | 0 | 6 |
| 393.11A1-CSLRR | Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 | 1 | 0 | 3 |
| 393.11A1-CSURR | Conspicuity Systems - Truck tractor, upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 | 1 | 0 | 3 |
| 393.11A1-LCL | Lighting - Clearance lamp(s) missing | 1 | 0 | 2 |
| 393.11B-CSSRR | Conspicuity Systems - Trailers, side retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 | 1 | 0 | 3 |
| 393.11B-CSURR | Conspicuity Systems - Trailers, upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 | 1 | 0 | 3 |
| 393.205A-WRC | Wheel/Rim - Rim, spoke wheel, or adapter cracked | 1 | 0 | 2 |
| 393.207A-STCB | Suspension - Suspension connecting rod or tracking component assembly (including spring leaves used as a suspension connecting rod) or any part used for attaching the same to the vehicle frame or axle is cracked, loose, broken or missing | 1 | 1 | 7 |
| 393.209D-STPAL | Steering - Pitman arm loose on the output shaft | 1 | 1 | 6 |
| 393.209E-SPSRLF | Steering - Power steering reservoir low fluid | 1 | 0 | 6 |
| 393.28-WS | Wiring Systems - Copper wire exposed | 1 | 0 | 3 |
| 393.43E-BBST | Brake - Bleedback system is defective on trailer | 1 | 0 | 4 |
| 393.45B2-B | Air brake - Hose/tubing damaged or not secured | 1 | 0 | 4 |
| 393.45B2-BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | 1 | 1 | 4 |
| 393.47A-BCLMHE | Hydraulic/Electric Brake - Cracked/loose/missing lining/pad. | 1 | 0 | 4 |
| 393.48A-BIBD | Drum Brake - Inoperative other than a steering axle | 1 | 0 | 4 |
| 393.48A-BLMACBD | Drum Brake - Loose chamber/spider/camshaft support bracket | 1 | 0 | 4 |
| 393.60(d) | Windshield / Windows - Tinting permits less than 70% of light transmittance | 1 | 0 | 1 |
| 393.67C7V-F | Fuel - Missing/improper filler cap | 1 | 0 | 1 |
| 393.75A3-TFL | Tires - Front, leaking or inflation 50% or less than of the maximum inflation pressure | 1 | 1 | 8 |
| 393.75C-TAOTD-LT1/32 | Tires - Less than 1/32 inch tread depth at 3 locations/2 adjacent tread grooves | 1 | 0 | 8 |
| 393.81-H | Horn - Inoperative or defective | 1 | 0 | 3 |
| 393.95(f) | Emergency Equipment - Stopped vehicle warning devices missing or improper | 1 | 0 | 2 |
| 393.9A-LRLI | Lighting - Tail lamp - Any inoperative | 1 | 0 | 6 |
| 393.9TS | Inoperative turn signal | 1 | 1 | 6 |
| 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 |
| 396.3A1-ALATR | Air Brake - Any leak from an air tank reservoir. | 1 | 0 | 4 |
| 396.3A1-BARS | Air Brake - Air reservoir separated from its original attachment points or moving more than 1 inch | 1 | 1 | 4 |
| 396.3A1-F | Fuel - Dripping leak. | 1 | 1 | 3 |
Inspection History
Vehicle Inspections: 213
Please select to view your Inspection History. You can also sort your data by Date, Report Number, Vehicle Type, etc.
| Report | Vehicle | Measure = Sum of the Total Weight (TotW) Sum of the Time Weight (TiW) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Inspection Date | Number | State | Plate Number | Plate State | Type |
Severity Weight (SW) |
Time Weight (TiW) |
Total Weight (TotW) |
||
| Sum of measure weights | Sum of measure weights | 2,619 | 363 | 4,346 | ||||||
*** The sum of all violation severity weights (violation weight + out-of-service) for this inspection has been capped at 30.
Investigation Results
Vehicle Maint. Acute/Critical Violations: 0
This carrier has no Vehicle Maintenance 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.
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216
- 7
- 209
- : 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
Carrier Registration Details Subject to General Threshold Update Registration InfoInspection 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 06/15/2026 updated monthly from FMCSA )
No penalties found
Tools/Resources
SMS Methodology How to Improve Request a Data ReviewFor U.S. DOT# 634763
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/.