Simple Green® Pro HD Heavy-Duty Cleaner

Simple Green® Pro HD Heavy-Duty Cleaner

Simple Green Pro HD is a heavy-duty cleaner and degreaser that breaks down tough grease and grime. This powerful formula removes dirt and stains from engines, car exteriors, tools, machinery, metal, plastic, sealed wood, floors, walls, and more.

  • Professional grade concentrated cleaner and degreaser
  • Cuts through tough grease, eliminates grime and removes stains
  • Cleans engines, car exteriors, tools, machinery, and more
  • Concentrated formula can be diluted for specific cleaning jobs
  • Can use in pressure washers, carpet cleaners, and other equipment
  • Cleans brake dust, transmission fluids, oil, and other grime
  • Use on motorcycles, trucks, boats, RVs, ATVs, and other vehicles
  • Optimized for use on metals

Home Depot
Ace Hardware
Sherwin Williams
Fred Meyer
Camping World

Always spot test on a hidden area first.

  1. Dilute with room temperature water (see dilution instructions below).
  2. Apply cleaning solution to surface via spray, mop, or wipe.
  3. Allow several minutes contact before rinsing.
  4. Do not allow product to completely dry on surface.
  5. Rinse or damp wipe surface.

HEAVY CLEANING: Dilute 1:3, 1 part PRO HD to 3 parts water.

MEDIUM CLEANING: Dilute 1:5, 1 part PRO HD to 5 parts water.

LIGHT CLEANING: Dilute 1:10, 1 part PRO HD to 10 parts water.


  1. Water plants and lawn around the area to be cleaned.
  2. Drop siphon hose into bottle or pre-mix solution according to equipment instructions.
  3. Pressure wash vertical surfaces from bottom to top and rinse from top to bottom.
  4. Rinse plants and lawn with water again after cleaning is done.

**Non-Corrosive Cleaning: Do not dilute beyond 1:10, do not exceed 100°F (43°C) and do not allow solution to dry on surface.

Do not clean over asphalt.

For a list of ingredients, please see our Ingredients Disclosure page.

Compliance Documentation

In accordance with OSHA standards, Safety Data Sheets are available for all Simple Green Products.