Commercial Specialty Truck Holdings
As the parent company of Continental Mixers, E-Z Pack Trucks, One Source Parts, and Dynamic Towing and Manufacturing, CSTH is a leading producer of truck bodies and related aftermarket parts. CSTH manufactures products to perform at the highest levels for the challenging operator environments of the ready-mix concrete, refuse, and towing industries. With manufacturing centers in Kentucky and Texas, including our new assembly facility, CSTH continues to expand operations capability and capacity. We understand and are committed to growing loyal customer relationships and serving the specialized needs of fleet operators across North America.
Warranty Workflow
How to open a warranty conversation
Gather the records for your Dynamic build, contact the factory, and coordinate authorized repair or replacement parts with the right CSTH team.
Gather build records
Have the serial number, model path, and delivery documentation ready.
Contact Dynamic factory
Reach leadership and technical departments directly in Cynthiana.
Coordinate authorized repair
Use the distributor and repair network when field service is required.
Order replacement parts
Source wear items and post-service components through One Source Parts.
What to expect
New equipment coverage
Contact Dynamic for the warranty terms on your specific build and maintain delivery records.
Parts vs. warranty work
Wear items and field replacements typically flow through One Source Parts.
CSTH service support
Regional service teams help coordinate qualifying repairs and technical support.
Work with CSTH and our brands
Whether you run ready-mix drums, refuse routes, or recovery trucks, start with the brand that matches your equipment—or talk with One Source Parts when you need parts on the ground.