8 best eco friendly degreasers for heavy-duty cleaning

There’s a unique kind of grime that builds up on a farm, a stubborn mix of hydraulic fluid, dirt, and last season’s hay dust. Keeping your equipment clean isn’t just about appearances; it’s about spotting leaks, preventing rust, and ensuring your tools are ready when you need them most. Choosing the right degreaser means you can cut through that heavy-duty mess without harming the soil, water, and animals that share your land.

Disclosure: As an Amazon Associate, this site earns from qualifying purchases. Thank you!

Eco-Friendly Degreasers for Farm Equipment

On a farm, what you spray on your equipment eventually ends up in your soil. Traditional solvent-based degreasers can contain harsh chemicals that persist in the environment, contaminating groundwater and harming beneficial soil microbes. This is a direct threat to the health of your pastures, gardens, and the very ground your livestock walks on.

Eco-friendly degreasers offer a powerful alternative. These products typically use biodegradable surfactants, plant-derived solvents like citrus oil, or even beneficial enzymes to break down grease and oil. While the term "eco-friendly" can be a bit vague, look for products that are readily biodegradable, non-toxic, and phosphate-free. The goal is to find a cleaner that works on heavy machinery without creating a downstream problem for your land.

The tradeoff, historically, was power. Early green cleaners struggled with the caked-on, petroleum-based messes common on farm equipment. However, modern formulations have closed that gap significantly, offering professional-strength cleaning that you can use with a clearer conscience. It’s about finding the right product for the specific type of grease you’re tackling, from light maintenance wipe-downs to full engine degreasing jobs.

Simple Green: The All-Purpose Farm Workhorse

Simple Green is the bottle you’ll find in almost every farm shop for a reason. Its versatility is its greatest strength, capable of handling everything from greasy tools and mower decks to barn walls and muddy floors. The concentrated formula allows you to customize the strength, using a more diluted mix for general cleaning and a richer one for tougher spots.

This is your go-to for routine maintenance cleaning. After a long day of mowing, a spray-down with a properly diluted Simple Green solution lifts grass clippings and light grease, making inspection and storage much easier. It’s also remarkably effective on grimy vinyl siding or cleaning out trailers. Because it’s a non-abrasive and non-corrosive formula, you can use it on painted surfaces, plastics, and metals without worry.

If you need one bottle to do 80% of the cleaning jobs around your property, Simple Green is it. It’s not a specialized engine degreaser or a concrete restorer, but for the daily fight against dirt and grease, it provides an unmatched balance of effectiveness, safety, and value.

Krud Kutter: Tackles Stubborn Grease & Grime

When Simple Green isn’t quite cutting it, Krud Kutter is the next tool to reach for. This water-based, biodegradable formula is a step up in cleaning power, specifically formulated to tackle stubborn, built-up gunk. Think of the greasy mess around a hydraulic fitting that’s had a slow leak for months or the black, caked-on grime on a tiller’s gearbox.

Krud Kutter excels at penetrating and dissolving aged grease, oil, and even things like dried latex paint and adhesive. It works by breaking the bond between the soil and the surface, allowing you to simply wipe the mess away. This makes it ideal for restoration projects or for cleaning up second-hand equipment that hasn’t seen a good cleaning in years.

For anyone dealing with old, neglected machinery or deeply set-in grease stains, Krud Kutter is the answer. It bridges the gap between an all-purpose cleaner and a harsh industrial solvent, giving you serious cleaning power without the toxic fumes or environmental hazards.

Oil Eater: Top Choice for Greasy Shop Floors

Your workshop floor tells a story, and often it’s a greasy one. Concrete is porous, and every oil change, hydraulic fluid top-off, or leaky engine leaves its mark. Oil Eater Original is specifically designed to lift those stains out of concrete, asphalt, and other porous surfaces where they become deeply embedded.

This is a highly concentrated, alkaline-based cleaner that you dilute to match the job. For fresh spills, a light dilution is all you need, but for old, dark stains, you can use it at a much higher concentration. The key is to let it soak, giving the formula time to work its way into the pores of the concrete and break down the oil. A stiff brush and a rinse will often reveal concrete you haven’t seen in years.

If your primary battle is with a stained and hazardous shop floor, make Oil Eater your first choice. It’s also excellent for cleaning greasy parts in a dip tank. It is less of an all-purpose spray-and-wipe cleaner and more of a specialized deep-cleaning solution for your workspace.

CLR PRO: Professional Strength for Equipment

Sometimes the problem isn’t just grease; it’s a combination of grease, rust, and mineral scale. This is especially common on equipment that sits outside or is used with hard water. CLR PRO Heavy-Duty Cleaner & Degreaser is formulated to attack all of it at once, making it a powerful tool for bringing equipment back into service.

This formula is a beast on metal surfaces. It cuts through industrial-grade grease while also containing ingredients that help dissolve rust and calcium deposits. This makes it perfect for cleaning engine blocks, metal implements, and any part where corrosion and grime have formed a stubborn partnership. It’s also readily biodegradable, providing a safer alternative to many traditional rust removers.

Choose CLR PRO when you’re facing complex cleaning jobs on metal equipment that involve more than just oil and dirt. It’s the product for serious restoration and deep cleaning, particularly for machinery that has been sitting idle or heavily used in harsh conditions.

Biokleen Bac-Out: Enzyme-Powered Cleaning

Not all farm messes are petroleum-based. Manure, spilled feed, and other organic waste create their own set of challenges, often with lingering odors. Biokleen Bac-Out uses a unique approach, employing live enzyme cultures to break down and digest organic material, eliminating stains and smells at their source.

This is the product you want for cleaning out livestock trailers, stalls, chicken coops, or any area contaminated with animal waste. Instead of just masking odors, it removes the biological material causing them. It’s also surprisingly effective on things like grass stains on equipment or mildew on outdoor surfaces. The plant-based formula is exceptionally gentle and safe to use around animals and sensitive areas.

For any cleaning task involving organic waste, animal messes, or stubborn odors, Biokleen Bac-Out is the superior choice. It’s not a traditional degreaser for engine oil, but it’s an essential part of a farm cleaning arsenal for its ability to handle the biological side of grime.

Ecover Degreaser: A Plant-Based Solution

For those who prioritize the most natural and sustainable option available, Ecover Degreaser stands out. Made with plant-based and mineral ingredients, it’s a testament to how effective green chemistry has become. It’s fully biodegradable and has a minimal impact on aquatic life, making it an excellent choice for cleaning tasks near ponds, streams, or sensitive garden beds.

Ecover’s formula is surprisingly tough on kitchen-grade grease but also holds its own on light mechanical grease and grime. Use it for cleaning tools, outdoor furniture, or equipment surfaces where you want effective cleaning with the lowest possible environmental footprint. It may require a bit more elbow grease on heavily caked-on petroleum messes compared to more aggressive formulas, but the peace of mind is often worth it.

If your top priority is environmental safety and you’re dealing with light-to-moderate grease, Ecover is the perfect fit. It’s the conscious choice for routine cleaning where you need performance without compromise.

Goo Gone Pro-Power: Citrus for Sticky Messes

Grease is one thing, but sticky, gummy residues are another challenge entirely. Pine sap on a chainsaw, old decal adhesive on a tractor hood, or a patch of road tar on a fender won’t budge with a standard degreaser. Goo Gone Pro-Power is the specialist for these exact situations, using the power of citrus oils to dissolve sticky messes.

This isn’t an all-purpose cleaner; it’s a targeted solution. You apply it directly to the problem area, let it sit, and the adhesive or sap breaks down, allowing you to wipe it clean. It’s incredibly effective but should be used with care on plastics or painted surfaces—always test it on an inconspicuous spot first.

When you’re faced with a sticky, tacky, or gummy mess that laughs at other cleaners, Goo Gone Pro-Power is the tool you need. Keep a bottle on the shelf for those specific, frustrating cleaning jobs that nothing else can handle.

GUNK Green: Safely Degreasing Farm Engines

Cleaning a greasy engine is critical for spotting leaks and preventing overheating, but spraying harsh solvents all over it is a bad idea. GUNK Degreaser Heavy Duty Green is a modern, safer take on the classic engine cleaner. It’s a biodegradable, water-based formula designed to cling to engine surfaces and break down the toughest baked-on grease and oil.

Unlike its more volatile cousins, this product has low VOCs (Volatile Organic Compounds) and no harsh fumes, making the job much more pleasant and safer. You simply spray it on a cold engine, let it soak to penetrate the grime, and then rinse it off with a careful stream of water. It lifts away years of accumulation, leaving your engine looking clean and making it far easier to work on.

For anyone who performs their own engine maintenance, GUNK Green is a non-negotiable. It delivers the specialized cleaning power needed for an engine bay without the environmental risks of traditional petroleum-based degreasers.

Using and Disposing of Degreasers Safely

Even the greenest degreaser is only half the solution. The other half is managing the grease, oil, and grime that you wash off your equipment. The goal is to clean your tractor, not contaminate your pasture.

Before you start, choose your cleaning area wisely. A concrete pad or a designated wash-down area that doesn’t drain directly into a field or waterway is ideal. For smaller jobs, you can use an oil-absorbent mat under the equipment to catch drips and runoff. The mixture of a biodegradable cleaner and petroleum is still considered hazardous waste.

Once the job is done, don’t just hose the mess into the grass.

• Soak up the collected liquid with an absorbent material like kitty litter, sawdust, or a commercial absorbent.
• Sweep up the saturated material.
• Dispose of the collected waste properly. This means bagging it and taking it to your local hazardous waste disposal facility, not putting it in your household trash or compost pile.

Taking these extra steps ensures that your commitment to using an eco-friendly cleaner extends all the way through the process. It protects your land, your water, and the long-term health of your farm.

Keeping your farm and equipment in top shape is a constant effort, but the tools you choose make all the difference. By opting for a powerful, eco-friendly degreaser, you’re making a smart investment in both the longevity of your machinery and the health of your land. Clean equipment runs better, lasts longer, and is safer to operate—and doing it responsibly is just good farming.