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Freight Carrier · Juarez, CI

TRANSPORTES ISA

CHECOSLOVAQUIA 341 · Juarez, CI 32260

AUTHORIZED FOR:
(915) 356-8992 Tap to call
  • MC #387633
  • USDOT #890170 USDOT Active
  • 5
    Power Units
  • 3
    Drivers
  • Carrier
    Entity Type

About this carrier

TRANSPORTES ISA is a Juarez, CI freight carrier that is authorized for: in the state of Chihuahua. This company has 5 truck(s) in their fleet and 3 truck drivers. Their motor carrier number is MC-387633 and their USDOT number is 890170.

Sourced from FMCSA SAFER · last filed 08/26/2025 · last updated Oct 28, 2026.

Carrier Details

  • Legal Name SERGIO VALENZUELA SIERRA
  • Operating Status AUTHORIZED FOR:
  • MCS-150 Filed 08/26/2025
  • MCS-150 Mileage 149,300 (2024)

Authority & Operations

Operation Classification
  • Authorized for Hire
Carrier Operation
  • Interstate

Cargo Authorized

  • General Freight
  • Metal Sheets, Coils, Rolls
  • Logs, Poles, Beams, Lumber
  • Fresh Produce
  • Intermodal Containers
  • Refrigerated Food
  • Beverages
  • Paper Products

Operating Territory

Map of states where this carrier has roadside inspections Texas — 69 inspections (past 24 months) Texas — 69 inspections (past 24 months) New Mexico — 1 inspection (past 24 months)

Inspection activity   Inspected in 3 states over the past 24 months: TX (69), US (39), NM (1). Home base: Juarez, Chihuahua.

Safety Record

37 Severe Violations Updated Oct 17, 2026

Crashes (24 mo)

  • 0
    Fatal
  • 0
    Injury
  • 0
    Tow
  • 0
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0 0 Crash Indicator Not Public — Hours of Service 0 0 Vehicle Maintenance 14.18 98 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.28 5

Inspection Summary

  • 109
    Total
  • 10
    Clean
  • 99
    With violations

24-month window ending Sep 25, 2026

Violations Cited 102 unique codes

Critical 35

  • 393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS4× OOS×4 SW 8
  • 393.75(a)(1)Tire-ply or belt material exposed3× OOS×2 SW 8
  • 393.75(a)Flat tire or fabric exposed2× OOS×2 SW 8
  • 383.23(a)(2)Operating a CMV without a CDL1× OOS×1 SW 8
  • 391.11B5-LNCDLNVLLicense - Operate a CMV without a valid operators license, issued by one State or jurisdiction1× OOS×1 SW 8
  • 396.3A1-TAOCVTires - All others, in contact with a part of the vehicle1× OOS×1 SW 8
  • 393.75(a)(2)Tire-tread and/or sidewall separation3× SW 8
  • 393.75(c)Tire-other tread depth less than 2/32 of inch measured in a major tread groove3× SW 8
  • 393.75A1-TEPBMTires - All others - Exposed ply or belt material in tread or sidewall area1× SW 8
  • 393.75(a)(3)Tire-flat and/or audible air leak1× SW 8
  • 393.207(a)Axle positioning parts defective/missing7× OOS×3 SW 7
  • 393.100B-CCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV1× OOS×1 SW 7
  • 393.207A-SAPPASSuspension - Axle positioning part cracked/broken/loose/missing resulting in axle shift1× OOS×1 SW 7
  • 393.207A-STBWSuspension - Suspension connecting rod or tracking component assembly missing the rubber bushing or the rubber bushing is worn to the extent that the component can be moved by hand along the axis of the component1× OOS×1 SW 7
  • 393.207A-STCBSuspension - 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 missing1× OOS×1 SW 7
  • 393.207A-SUBLSuspension - U-bolt, u-bolt bottom plate, or other axle clamp bolt loose/cracked/broken/missing.1× OOS×1 SW 7
  • 393.9TSInoperative turn signal13× OOS×10 SW 6
  • 393.9A-LTSILighting - Turn signal - Any inoperative on the rearmost vehicle.5× OOS×5 SW 6
  • 393.9A-LSLIWRLighting - Stop lamps - Both inoperative when required to be on1× OOS×1 SW 6
  • 396.3A1BBrakes (general) Explain:5× OOS×1 SW 4
  • 393.47(a)Inadequate brakes for safe stopping - Brake Lining condition3× OOS×1 SW 4
  • 393.41-BNPBBrake - Inoperative or missing parking brake on power unit1× OOS×1 SW 4
  • 393.45B2-BHTDAir Brake - Hose/tubing damage into the outer reinforcement ply.1× OOS×1 SW 4
  • 393.45D-BAALAir Brake - Audible air leak at other than a proper connection1× OOS×1 SW 4
  • 393.47C-BSALMBD-SADrum Brake - Slack adjuster length mismatched on a steering axle1× OOS×1 SW 4
  • 393.110(b)Insufficient tiedowns to prevent forward movement for load not blocked by headerboard, bulkhead, or other cargo2× OOS×2 SW 3
  • 396.3A1-DLDSUJBCBDriveline/Driveshaft - Any missing, broken or loose universal joint bearing cap bolt, bearing strap or retainer bolt2× OOS×2 SW 3
  • 396.3A1-FFuel - Dripping leak.2× OOS×2 SW 3
  • 396.3A1-DLDSCBBPDriveline/Driveshaft - More than 1/2 inch (12.7mm) vertical movement (with hand pressure only) of the shaft in the center bearing carrier.1× OOS×1 SW 3
  • 393.9Inoperable Required Lamp27× OOS×3 SW 2
  • 396.3A1-HCMHubs - Bearing cap, plug or filler plug missing or broken2× OOS×2 SW 2
  • 393.201A-FRSCFrame - Cracked siderail web around the radius into the bottom flange1× OOS×1 SW 2
  • 396.3(a)(1)Hubs - Hub cap missing or broken1× OOS×1 SW 2
  • 392.9A2-CCargo - Vehicle components or dunnage not secured1× OOS×1 SW 1
  • 396.3(a)1BOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination4× OOS×4 SW 0

Vehicle Maintenance 66

  • 393.207A-SAPPCBLMSuspension - Axle positioning part cracked/broken/loose/missing.3× SW 7
  • 393.207(c)Leaf spring assembly defective/missing1× SW 7
  • 393.207(e)Torsion bar cracked and/or broken1× SW 7
  • 393.209(e)Power steering violations14× SW 6
  • 393.209E-SPSLASteering - Power steering leaking anywhere.12× SW 6
  • 393.9HInoperable head lamps9× SW 6
  • 393.9A-LBLLighting - Backup lamp inoperative3× SW 6
  • 393.9A-LFTSILighting - Front - Turn signal - inoperative3× SW 6
  • 393.9TInoperable tail lamp3× SW 6
  • 393.11A1-LBLLighting - Backup lamp missing2× SW 6
  • 393.9A-LHWSLighting - Hazard warning signal(s) inoperative2× SW 6
  • 393.209E-SPSRLFSteering - Power steering reservoir low fluid1× SW 6
  • 393.9A-HLLHLighting - Headlamp(s) fail to operate on low and high beam1× SW 6
  • 393.9A-LHLILighting - Headlamp(s) - Any inoperative1× SW 6
  • 393.9A-LSLILighting - Stop lamps - Any inoperative.1× SW 6
  • 393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt10× SW 4
  • 396.3A1-ALBVAir Brake - Any leak from a brake valve10× SW 4
  • 393.45B2UVBrake Hose or Tubing Chafing and/or Kinking Under Vehicle9× SW 4
  • 393.45D-BAir Brake - Audible air leak at a proper connection9× SW 4
  • 393.55(e)No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/19989× SW 4
  • 393.45DLPCBrake Connections with Leaks - Connection to Power Unit6× SW 4
  • 393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear6× SW 4
  • 393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 19986× SW 4
  • 396.3A1-BALACBrake - Audible air leak from a brake chamber6× SW 4
  • 393.55D1-BAir Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 1997 and each single unit CMV on or after 1998.5× SW 4
  • 393.53B-BAir Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear4× SW 4
  • 393.51C-BNVLAWDAir Brake - No visual low air warning device manufactured on or after 1975.3× SW 4
  • 393.55C1-BAir Brake - Truck-tractor manufactured on or after March 1, 1997, not equipped with an ABS system. System does not function or indicates a fault.3× SW 4
  • 393.45B2-B-AIRAir Brake - Hose/tubing damaged or not secured2× SW 4
  • 393.45DLUVBrake Connections with Leaks Under Vehicle2× SW 4
  • 393.55(d)(3)No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 20012× SW 4
  • 393.47B-BMBCBDDrum Brake - Mismatched brake chamber sizes on the same axle other than a steering axle1× SW 4
  • 393.47(c)Mis-matched slack adjuster effective length1× SW 4
  • 393.48A-BIHEHydraulic/Electric Brake - Inoperative other than a steering axle.1× SW 4
  • 393.48A-BMBCBDDrum Brake - Missing/broken component(s)1× SW 4
  • 393.51No or defective brake warning device or pressure gauge1× SW 4
  • 393.55(c)(1)Truck Tractor manufactured on or after March 1, 1997 not equipped with an antilock brake system1× SW 4
  • 393.55(c)(2)CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system.1× SW 4
  • 393.55C2-BAir 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× SW 4
  • 396.3A1-OALOther - Any air leak not attributed to the brake or suspension system.1× SW 4
  • 396.5(b)Oil and/or grease leak18× SW 3
  • 393.11No or defective lighting devices or reflective material as required10× SW 3
  • 396.5B-LLubrication - Oil or grease leak8× SW 3
  • 393.11LRNo Lower rear retroreflective sheeting or reflex reflective materials as required for vehicles manufactured after December 19933× SW 3
  • 393.11URUpper Rear retroreflective sheeting or reflex reflecting material requirements for vehicles manufactured after December 19932× SW 3
  • 393.30Improper battery installation2× SW 3
  • 393.82Speedometer inoperative / inadequate2× SW 3
  • 393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 19971× SW 3
  • 393.70B1IDefective latching fasteners - Fasteners on either side of the vehicle are missing or ineffective1× SW 3
  • 396.3A1-AASGMD-L6Any of the slider-guide/hold-down brackets are missing or disengaged.1× SW 3

Driver Fitness 1

Locations

Physical Address
TRANSPORTES ISA
CHECOSLOVAQUIA 341
JUAREZ, CI 32260
Mailing Address
SERGIO VALENZUELA SIERRA
MAGOFFIN 1910
EL PASO, TX 79902

Related Companies

Other entries in the FMCSA database that share data with this carrier — name, phone, or address overlap. Worth a closer look during vetting.

Same phone number 1

These carriers list the same contact phone number.

CompanyStatusPower UnitsDriversMC#USDOT#
TRANSVALE
Legally SERGIO IVAN VALENZUELA PEREZ
Juarez, CI
USDOT Active AUTHORIZED FOR:43841553104119

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