530-345-4685 | 1431 West 5th St. Chico, CA 95928 info@rdhs.com

About Us

R & D’s Management and Personnel Will:

Guarantee all of our products and services.

Treat every person with dignity and respect.

Produce professional, quality work at fair prices.

Do our very best to ensure our customer’s experience is pleasant and satisfying.

Founded in Chico, California

Serving Industry Since 1979

Tech Tips


Hydraulic Filtration and Contamination All hydraulic systems have a common need for protection from harmful contaminants. Good contamination control...
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Leak Testing Hydraulic Cylinders

Broken and Bent Ram Shafts More often than not when the threaded stub (which holds the piston in place) breaks, we can install a larger grade (8)...
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Trailer Safety

Safety Facts and Suggestions for Trailer Loads or Towing 1. Make sure you always have an emergency road side kit, extra light bulbs, and fuses....
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Synchronizing Cylinders

The following is an interesting article about a problem that has a great potential for damaging equipment that utilizes dual hydraulic cylinders...
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Starting New Pumps

Starting Up New Pumps and Hydrostatic Transmissions for the First Time For long life and top efficiency, contaminants must be removed from your...
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