Trailer Rehab
Cryogenic Trailer Repair and Rehab Services
We provide cryogenic trailer repair and rehab services for CGA-341, MC-331 and MC-338 cargo tanks, supporting LNG, CO2, ethylene, and industrial gas operations nationwide.
From vacuum repair to full trailer restoration, our code-certified facilities extend equipment life, improve performance, and maintain compliance.
With a coast-to-coast footprint and fully integrated capabilities, we help reduce downtime, control costs, and keep your fleet operating at peak performance.

Serving Industries Across the U.S.
CO2 and Beverage
LNG and Energy
Industrial
Gas
Hydrogen
and Helium

Cryogenic Trailer Rehab and Full Restoration Services
When equipment reaches the point where standard repairs are no longer enough, our team delivers complete trailer rehab services to restore performance and extend asset life.
Our full restoration capabilities include:
- Inner and outer vessel repair
- Subframe repair and reinforcement
- Engine upgrades or replacement
- Hydraulic off-loading systems and pony motor work
- Full mechanical service and paint
Cryogenic Tank
Repair Services
As a registered cargo tank repair facility, we provide code-certified repair for CGA-341 (Nitrogen, Oxygen, Argon), MC-331 (CO2) and MC-338 (LNG and Ethylene).
Our services include:
- Code welding and structural repair
- Pneumatic pressure testing for coded vessels
- 6G code-certified welding capabilities
- Compliance with all applicable industry regulations


Cryogenic Tank Vacuum Repair and Leak Detection
Vacuum performance is critical to maintaining efficiency in cryogenic transport. Loss of vacuum can lead to reduced performance, increased product loss, and higher operating costs.
We support vacuum investigation and repair services for both code and non-code cargo tanks, including:
- Leak detection and system diagnostics
- Vacuum restoration and repair
- Performance validation testing
Pumps, Valves & Critical Component Rebuilds
Critical component rebuilds are performed in-house to improve reliability and reduce turnaround times.
We provide:
- Cryogenic pump remanufacturing for ASU and CO2 applications
- Valve repair and cleaning
- Mail-in valve service options
- Bearing break-in process that extends pump life

Oxygen-Clean Controlled Environment for Cryogenic Systems
Cleanliness is essential in cryogenic systems, especially for oxygen, hydrogen, and food-grade applications. Our controlled environment ensures proper oxygen cleaning and contamination control.
Capabilities include:
- O2 room for controlled cleaning and rebuilds
- Blacklight inspection to eliminate hydrocarbons
- Oxygen cleaning to meet CGMP and FDA requirements
- Argon purge welding for sensitive systems
- Cleaning and preparation of every component before installation
Preventative Maintenance for Cryogenic Trailers
Structured preventative maintenance programs help extend equipment life and support long-term fleet performance.
- Scheduled and tracked maintenance programs
- Certified cryogenic technicians
- Flexible staffing to meet demand
- Clerical support for maintenance tracking and invoicing systems

What to Expect from Our Repair Process







Why Choose KAG
We help extend equipment life, reduce risk, and maintain consistent fleet performance.
- Faster turnaround times through integrated service capabilities
- Reduced downtime and disruption to operations
- Improved reliability and extended equipment life
- Consistent service across a nationwide network
- Support for highly regulated and high-performance applications
Common Issues
We Solve
- Loss of vacuum efficiency
- Structural damage to inner or outer vessels
- Worn or failing cryogenic pumps
- Valve contamination or performance issues
- Compliance or certification concerns

