195012 - Miller Big Blue Horizontal Spark Arrestor Kit

Compliance and Safety for Diesel Engine Welders

The Miller Spark Arrestor Muffler Kit (195012) is a critical safety accessory engineered for large-frame Miller diesel engine welders. Specifically designed for the Big Blue 500, 600, 700, and 800 Series with horizontal exhaust configurations, this kit serves a vital function in environmental protection and regulatory compliance. The primary purpose of the spark arrestor is to trap and pulverize carbon particles and other incendiary materials generated during the combustion process, preventing them from being expelled into the atmosphere where they could ignite dry vegetation or other combustible materials.

This product is manufactured to meet the rigorous U.S. Forest Service Standard 5100-1B. Adherence to this standard is not merely a recommendation but a legal requirement for operating internal combustion engines on California grasslands, brush-covered lands, forest-covered lands, and within all National Forests. Industrial operators working in these environments must equip their machinery with approved spark arrestors to avoid significant fines and potential liability for wildfire damages. The kit is designed as a field-installed unit, allowing maintenance teams to retrofit existing fleets without the need for complex modifications or factory service.

Weighing approximately 12 lbs and measuring 24 inches in length, the assembly is built to withstand the thermal cycling and mechanical vibration inherent in heavy-duty welding operations. It integrates directly with the muffler system of the compatible Big Blue units, ensuring that exhaust flow is not unduly restricted while maintaining maximum particle filtration efficiency. For MRO managers and safety officers, the Miller 195012 kit represents a necessary investment in operational continuity and risk management for outdoor welding projects.