Machine, Truck, & Stationary Engine Emissions Solutions

For the third consecutive year, HOLT CAT has been named one of the honorees of Texan by Nature 20 (TxN 20)! This recognition underscores our ongoing commitment to conservation, reflecting our core values. TxN 20 celebrates companies across Texas that are leading the charge in conserving natural resources while making a positive impact in their industries. We’re proud to be recognized among these forward-thinking leaders, paving the way for a more sustainable future for Texas and beyond.

HOLT CAT® provides emissions reduction solutions as well as awareness and support of the ever-changing emissions compliance challenges. We support our customers' green initiatives by delivering sustainable solutions including emissions reduction technologies, new, clean emissions equipment and Cat® legacy machines and engines. We offer our customers cost-effective solutions that protect their investments while meeting challenging national, state, and local environmental emissions regulations, including:

• Advanced Tier IV diesel engines;
• Low-emission natural gas engines;
• Repowers (engine replacements);
• Engine upgrade kits (updating an engine with newer lower emissions components);
• Diesel particulate filters (85% or greater engine PM reduction);
• Diesel and gas oxidation catalysts (85% Carbon Monoxide Reduction);
• Three-way catalysts; and 
• Selective catalytic reduction (SCR) technology.

Let us help you determine which clean emissions products and services provide the right solution for your applications. We are committed to continue as the leader in providing emissions solutions for Caterpillar® customers as well as a complete range of products, services, and processes for the best economic solutions for customers' needs.