Graymills provides automotive parts washing systems for garages, mechanics, and remanufacturing/rebuild operations that need to clean engines, calipers, transmissions, and other mechanical components for service, repair, and rebuild.
From everyday shop work to demanding engine and transmission reman applications, Graymills helps customers match the right washer, cleaning method, and cleaning chemistry to the job. With manual, immersion, ultrasonic, and spray cleaning systems available—along with a wide variety of solvent, aqueous, biodegradable, and bioremediating cleaners—Graymills offers solutions for everything from routine grease and oil removal to more demanding cleaning requirements.
That makes the process No Confusion. Graymills helps simplify selection by offering multiple cleaning methods, fluid options, and application guidance for both service shops and rebuild operations.
It also means No Risk. Graymills can test different cleaning methods and chemistries on your sample parts to help identify the best solution before you buy.
And it means No Worries. Graymills equipment is built for industrial use, manufactured in the USA, and backed by the experience to support everything from small garage applications to larger automotive and remanufacturing needs.
Whether you need a practical parts washer for day-to-day mechanic work or a more advanced system for engine and transmission rebuilding, Graymills can help you find the right automotive cleaning solution.
What types of automotive parts can be cleaned in a parts washer?
Automotive parts washers are used to clean a wide range of components during service and rebuild parts, including engine blocks, transmission housings, cylinder heads, carburetors, brake components, oil pans, gear housings, and machined parts. Graymills systems are designed to remove grease, oil, carbon deposits, metal chips, and sludge from everything from small precision parts like fuel injectors or carburetors to heavier automotive assemblies. The best cleaning method depends on the size of the part, the type of contaminant, and the level of cleanliness required.
What is the best parts washer for cleaning engines and transmissions?
For greasy, heavy-duty automotive components like engines, transmission housings, and other rebuild parts, high-pressure spray cleaning systems are often an excellent choice. Graymills Tempest spray washers are built to remove tough oil, grease, and residue quickly in an enclosed cabinet. For parts with tight passages, small openings, or more intricate geometry, ultrasonic cleaning may be the better option. The right system depends on the part design, contamination level, and workflow.
What is the difference between solvent and aqueous parts washers?
Solvent parts washers use solvent-based cleaning fluids to dissolve grease, oil, and other contaminants. Aqueous parts washers use water-based detergents along with heat, spray pressure, immersion, or agitation to clean parts. In automotive applications, solvent systems are often used for service and maintenance cleaning, while aqueous systems are commonly chosen for more controlled, high-volume, or environmentally conscious operations. The right choice depends on the soils being removed, the part material, your waste-handling requirements, and the overall cleaning process.
After selecting the pump desired, select the type of motor with your required electrical characteristics. All Graymills pump motors are rated for 60 Hz operation and will operate continuously within plus or minus 5% of the rated voltage. Air motors are available for many models.
Add the suffix letter to the base model number and also state voltage, hertz and phase when ordering.
When should ultrasonic cleaning be used for automotive parts?
Ultrasonic cleaning is ideal for automotive parts with small passages, blind holes, threads, or complex internal surfaces that are difficult to reach with spray cleaning alone. It is often used for carburetors, fuel system components, valve bodies, and other precision parts where detailed cleaning is important. Ultrasonic cleaning is especially effective when fine contaminants must be removed from intricate surfaces.
What cleaning method is best for maintenance and rebuild/reman operations?
The best cleaning method for maintenance and rebuild/reman work depends on the size of the parts, the amount of contamination, and how quickly parts need to be turned around. Manual parts washers are often used for quick cleaning in service areas. Immersion systems work well for batches of smaller parts. Spray cabinets are a strong choice for flexible, repeatable cleaning of greasy automotive components. Graymills helps customers match the cleaning method to the actual repair or rebuild process.
How do I choose between a manual, immersion, ultrasonic, or spray parts washer?
The right parts washer depends on the part size, soil level, geometry, production volume, and required cleanliness level.
- Manual parts washers are a good fit for service bays, maintenance areas, and hands-on cleaning of individual parts.
- Immersion parts washers work well for batch cleaning and for loosening heavy soils on multiple parts at once.
- Ultrasonic cleaners are best for precision parts, small passages, and complex geometries that are hard to clean with spray alone.
- Spray parts washers are ideal for enclosed, repeatable cleaning of heavier parts and assemblies using heat and spray pressure.
The right parts washer depends on the part size, soil level, geometry, production volume, and required cleanliness level.
Can automotive parts washers be customized?
Yes. Graymills automotive parts washers can be customized to match your application, part flow, and production requirements. Options may include wash, rinse, and dry stages, temperature controls, filtration, oil removal, material handling, and automated loading or unloading. Custom configurations can improve cleaning consistency, reduce manual handling, and support more efficient manufacturing or rebuild operations.
Are Graymills automotive parts washers environmentally compliant?
Graymills offers both solvent and aqueous cleaning systems, along with filtration and fluid-management options that can help reduce waste and extend solution life. Aqueous systems can help reduce solvent exposure in many applications, while filtration and oil-removal features can improve fluid performance over time. The right setup depends on the cleaning chemistry, the application, operating practices, and local environmental and safety requirements.
How do automated parts washers improve manufacturing efficiency?
Automated parts washers improve efficiency by making the cleaning process more consistent, repeatable, and less labor-intensive. In automotive manufacturing and remanufacturing environments, automated wash systems can reduce manual handling, improve throughput, and help ensure parts are cleaned, rinsed, and dried before the next production step. That can improve both product quality and workflow reliability.
What size parts washer do I need for my automotive application?
The right parts washer size depends on several factors, including:
- Part size and weight
- Type of contaminant (oil, carbon, grease, metal chips
- Production volume
- Required cleanliness level
- Available floor space
Graymills offers a broad range of automotive cleaning equipment and can help match the washer size and cleaning method to your specific application.
Does Graymills test parts before recommending a cleaning system?
Yes. Graymills can test your sample parts in its lab using different cleaning methods and chemistries to help determine the best solution for your application, and you will typically receive both a report and a video. This gives customers a clearer understanding of cleaning effectiveness before equipment is specified or purchased. Testing helps reduce guesswork and provides added confidence that the recommended system will perform as expected.
What is the most common cleaning application in automotive manufacturing?
Common automotive cleaning applications include:
- Engine block cleaning
- Transmission case cleaning
- Degreasing machined parts
- Removing metal chips after machining
- Cleaning components before assembly
- Rebuild and maintenance part cleaning
Are Graymills parts washers made in the USA?
Yes. Most Graymills parts washers are manufactured in the USA. Graymills offers a broad range of cleaning systems for automotive applications, including manual, immersion, ultrasonic, and spray parts washers designed to support service, rebuild, remanufacturing, and production cleaning needs.