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Freight Carrier · Calexico, CA

JAM TRANSPORT

Name: JAM TRANSPORT
Address: 1125 JH BACK CT, CALEXICO, CA, 92231, US
Telephone: (760) 679-4171

1125 JH BACK CT · Calexico, CA 92231

AUTHORIZED FOR:

(760) 679-4171 Tap to call

MC #1640312
USDOT #3965562 USDOT Active

1
Power Unit
1
Driver
Carrier
Entity Type

About this carrier

JAM TRANSPORT is a Calexico, CA freight carrier that is authorized for: in the state of California. This company has 1 truck(s) in their fleet and 1 truck drivers. Their motor carrier number is MC-1640312 and their USDOT number is 3965562.

Sourced from FMCSA SAFER · last filed 03/18/2026 · last updated Oct 6, 2026.

Carrier Details

Legal Name TUNZA LLC
Operating Status AUTHORIZED FOR:
MCS-150 Filed 03/18/2026
MCS-150 Mileage 9,249 (2025)

Authority & Operations

Operation Classification

Authorized for Hire

Carrier Operation

Interstate

Cargo Authorized

General Freight

Operating Territory

Map of states where this carrier has roadside inspections

Inspection activity Inspected in 2 states over the past 24 months: CA (10), US (6). Home base: Calexico, California.

Safety Record

2 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 5.14 9 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0 0

Inspection Summary

16
Total
7
Clean
9
With violations

24-month window ending Sep 25, 2026

Violations Cited 16 unique codes

Critical 2

393.75C-TAOTD-LT2/32Tires - Less than 2/32 inch tread depth1× SW 8
393.201A-FRBFCFrame - Cracked siderail bottom flange at least 1 inch long1× OOS×1 SW 2

Vehicle Maintenance 14

393.207F-SDASSuspension - Deflated air suspension1× SW 7
393.45D-BAir Brake - Audible air leak at a proper connection2× SW 4
396.3A1-BALACBrake - Audible air leak from a brake chamber2× SW 4
393.45D-BAALAir Brake - Audible air leak at other than a proper connection1× SW 4
393.47A-BCLMBDDrum Brake - Cracked/loose/missing lining/pad1× SW 4
393.47A-LJNBrakes - Loose/Missing Jam Nut1× SW 4
396.3A1-ALBVAir Brake - Any leak from a brake valve1× SW 4
393.11A1-CSLRRConspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 19971× SW 3
393.11B-CSRIGRRConspicuity Systems - Trailers, rear impact guard retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 19931× SW 3
393.11B-CSURRConspicuity Systems - Trailers, upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 19931× SW 3
393.201A-FRCLSFrame - Cracked/loose/sagging/broken frame or chassis1× SW 2
393.203B-CBPCab and Body Parts - Cab/body mounts loose/broken/missing1× SW 2
393.9A-LCLLighting - Clearance lamp(s) inoperative1× SW 2
396.5B-HWSLHubs - Wheel seal leaking1× SW 2

Locations

Physical Address

JAM TRANSPORT
1125 JH BACK CT
CALEXICO, CA 92231

Mailing Address

TUNZA LLC
PO BOX 986
CALEXICO, CA 92231

Location on Map

Google Directions Apple Maps Waze OpenStreetMap

Related Companies

Company	Status	Power Units	Drivers	MC#	USDOT#
JAM TRANSPORT Legally JOSE ANTONIO MARTINEZ OSTORGA Riverside, CA	USDOT Active AUTHORIZED FOR:	1	1	1523707	960530
JAM TRANSPORT Legally TROY CZERKAS Chelmsford, ON	USDOT Inactive Authority Unknown	1	1	612888	1663780
JAM TRANSPORT Legally JOSE H ASMAT Irving, TX	USDOT Active Not Authorized	1	1	727525	2082520

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JAM TRANSPORT

About this carrier

Carrier Details

Authority & Operations

Cargo Authorized

Operating Territory

Crashes (24 mo)

Behavior Categories (BASICs)

Inspection Summary

Violations Cited 16 unique codes

Critical 2

Vehicle Maintenance 14

Locations

Location on Map

Related Companies

Same legal or DBA name 3

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Truck tire dealers launch private-label brand, offshore quality gap narrows