8 Items to Fix Up Your Used Equipment Purchase

That "great deal" on a used tractor or implement often looks a little less great once it’s sitting in your own yard, covered in grime, rust, and neglect. But don’t despair; most older equipment was built to last and just needs some focused attention to bring it back to life. With the right supplies and a weekend of work, you can turn a tired machine into a reliable partner for years to come.

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First Steps After Bringing Your Used Gear Home

Before you buy a single can of paint or quart of oil, the first job is assessment and deep cleaning. A thorough pressure wash will knock off years of caked-on mud, grease, and debris, revealing the true state of the machine underneath. This isn’t just about making it look better; it’s about exposing hidden cracks in the frame, leaking seals, or frayed wiring that were invisible before.

Once it’s clean, give the machine a complete visual inspection. Look for anything that’s bent, broken, or missing. Check the tires for cracks and plugs, wiggle bearings to feel for play, and look for signs of fluid leaks around hoses and gaskets. This initial survey helps you build a targeted shopping list and a realistic plan of attack, ensuring you fix the most critical issues first.

Heavy-Duty Degreaser – Purple Power Cleaner Degreaser

You can’t paint over grease, and you can’t properly inspect parts that are caked in oily grime. A heavy-duty degreaser is non-negotiable for this job, breaking down stubborn buildup that soap and water won’t touch. It’s the essential first step for any cosmetic or mechanical work on your machine.

Purple Power is a concentrated, industrial-strength formula that is highly effective on the tough combination of oil, dirt, and hydraulic fluid found on farm equipment. Because it’s a concentrate, a single gallon goes a long way when diluted, making it an economical choice. Its ability to cut through years of neglect with minimal scrubbing saves an immense amount of time and effort.

Before you start, understand that this is a powerful chemical. Always wear gloves and eye protection, and be mindful of runoff. Test it on a small, inconspicuous spot first if you’re concerned about its effect on any sensitive finishes. This product is for the heavy-duty cleaning of engines, frames, and axles; it’s too aggressive for general washing or delicate interior surfaces.

Rust Converter – Corroseal Water-Based Metal Primer

Simply painting over rust is a temporary fix that guarantees you’ll be dealing with the same problem again next year. A rust converter chemically transforms rust (iron oxide) into a stable, paintable surface (iron tannate). This process stops the corrosion in its tracks, creating a durable foundation for your new paint.

Corroseal Water-Based Metal Primer is a standout because it’s both a rust converter and a metal primer in one step. This saves significant time compared to multi-stage systems. It applies milky-white and dries to a black, sealed finish, providing a clear visual indicator of when it’s ready for a topcoat. Its water-based formula also means easier cleanup with just soap and water.

For best results, first use a wire brush to knock off any loose, flaking rust and scale. Corroseal needs to be applied directly to the remaining, tight rust—it does not work on clean, bare metal. One or two coats is typically sufficient. This is the right choice for anyone tackling surface rust on frames, implements, and body panels without wanting to spend days grinding metal down to a perfect shine.

Equipment Enamel – Rust-Oleum Farm & Implement Paint

Once the rust is treated, you need a paint that can handle the abuse of farm life. Standard exterior paint won’t cut it. Equipment enamel is specifically formulated to resist chipping, fading, and exposure to oil, gas, and weather, protecting your machine and your hard work.

Rust-Oleum’s Farm & Implement line is the go-to for a reason: it’s tough, affordable, and widely available in colors that match most major equipment brands like John Deere Green, Kubota Orange, and Massey Ferguson Red. This oil-based enamel creates a hard, corrosion-resistant shell that provides excellent coverage and a professional-looking gloss finish. It can be brushed, rolled, or sprayed, offering flexibility for any project size.

Proper surface preparation is everything. The metal must be clean, dry, and free of grease—use the degreaser and rust converter first. For best adhesion, a primer is always recommended, especially on bare metal. This paint is perfect for giving an old machine a full cosmetic refresh, but it’s not a quick, one-coat solution. Take the time to prep correctly for a finish that will last.

Tire Plug Kit – Slime Pro-Series Heavy Duty Plug Kit

Used equipment almost always comes with used tires, which means you’re likely to encounter slow leaks or punctures sooner rather than later. A reliable tire plug kit allows you to make a permanent repair in the field in minutes, saving you the immense hassle of removing a heavy wheel and taking it into town. It’s a must-have for any machine that rolls.

The Slime Pro-Series Heavy Duty Plug Kit is a smart investment because its tools are built to last. Cheaper kits often include flimsy plastic handles that break when you’re trying to force a plug into a thick tractor tire. This kit features robust, T-handle metal tools—a reamer and a plug installer—that give you the leverage and control needed to do the job right without busting your knuckles.

Plugging a tire is a straightforward skill, but it’s best to watch a quick tutorial video before you have to do it in an emergency. Remember that plugs are only for the tread area, never the sidewall. This kit is essential for anyone operating equipment far from a workshop; it’s cheap insurance against a day-ending flat tire.

Don’t Forget to Find the Operator’s Manual

Working on a machine without its manual is like trying to navigate without a map. The operator’s manual is the single most important document for your equipment, containing critical information you can’t afford to guess at. It will tell you the exact type and capacity of all fluids, the correct part numbers for filters, and the recommended maintenance intervals.

Before you drain a single fluid, find the manual. Most manufacturers have PDF versions available for free on their websites, even for older models. If not, online forums and specialty websites often have archives where you can find a digital or physical copy. Don’t rely on generic advice; your specific model has unique requirements.

Having the manual on hand prevents costly mistakes, like using the wrong hydraulic fluid, which can damage seals and pumps. It also provides torque specs for bolts and diagrams for routine adjustments. Print it out and keep it in a binder in your shop—it will pay for itself the very first time you use it.

Hydraulic Fluid – Traveller Universal Trans-Hydraulic Fluid

Hydraulic and transmission systems are the lifeblood of most farm equipment, and the fluid inside them is often old and contaminated. Changing it is one of the best things you can do for the long-term health of your machine. A universal fluid is a practical and economical choice for the hobby farmer with older, mixed-brand equipment.

Traveller Universal Trans-Hydraulic Fluid, available at Tractor Supply, is a reliable and cost-effective option that meets the specifications for many older tractors and implements. It’s designed to protect against wear, rust, and oxidation in a wide range of hydraulic systems and transmissions. Buying it in a 5-gallon bucket is far more economical than purchasing individual quarts.

Always check your operator’s manual first. While this fluid is "universal," some newer or more complex systems (especially those with wet brakes or hydrostatic transmissions) may require a specific OEM fluid. For the majority of simple, older gear, however, a quality universal fluid like this is the right call for a complete system flush and refill.

Grease Gun – Lincoln 1134 Pistol Grip Grease Gun

Grease is what keeps the moving parts of your equipment from grinding themselves into dust. A good grease gun makes the crucial task of lubricating zerks and fittings easy and clean. A cheap, leaky grease gun, on the other hand, turns a simple job into a frustrating, messy chore.

The Lincoln 1134 Pistol Grip Grease Gun is a professional-grade tool that’s worth the modest extra cost. The pistol-grip design allows for easy, one-handed operation, which is essential when you need your other hand to hold a flashlight or position the coupler onto a hard-to-reach zerk. Its heavy-duty construction and jam-proof handle mechanism ensure it works reliably every time you pick it up.

Loading a grease gun can be tricky the first time, so take a moment to learn the process correctly to avoid air pockets. This tool is for anyone who values their time and wants to make routine maintenance as painless as possible. If you plan on owning and maintaining equipment for the long haul, investing in a quality grease gun is a no-brainer.

Electrical Tester – AstroAI Digital Multimeter

Old equipment is notorious for electrical gremlins—a light that won’t turn on, a safety switch that fails, or a battery that keeps dying. A multimeter is a diagnostic tool that lets you test circuits and components with certainty, replacing expensive guesswork with hard data. It’s the key to solving electrical problems yourself.

The AstroAI Digital Multimeter is an excellent choice for a farm shop because it’s affordable, durable, and easy to use for basic tasks. You don’t need to be an electrician to perform the most common tests: checking for battery voltage, testing for continuity to see if a wire is broken, or checking if a switch is working. The large, backlit LCD screen is easy to read in a dim barn, and the rubberized case protects it from bumps and drops.

While a multimeter has many advanced functions, focus on mastering the basics first. Learning to check for 12-volt power and test continuity will solve 90% of the electrical issues you’ll encounter on simple equipment. This tool is for the owner who wants to be self-sufficient and avoid a costly service call for a simple problem like a blown fuse or a bad ground wire.

Filter Wrench – CHANNELLOCK 215 Oil Filter Pliers

Changing the oil, fuel, and hydraulic filters is a fundamental part of a machine refresh. Unfortunately, these filters are often overtightened or stuck in place by years of grime. A standard strap wrench can slip on a greasy filter, but a dedicated set of filter pliers provides the bite you need to break even the most stubborn ones free.

The CHANNELLOCK 215 Oil Filter Pliers are the right tool for this frustrating job. Their powerful, right-angle teeth dig into the filter housing for a non-slip grip, while the long handles provide excellent leverage. The 15.5-inch length and multi-position adjustment allow them to fit a wide range of filter sizes, from small engine filters to large diesel ones.

These pliers will likely mar or crush the old filter during removal, but that doesn’t matter since it’s being replaced. Remember the golden rule when installing the new filter: hand-tighten only, plus a quarter-turn. Overtightening is what causes them to get stuck in the first place. These pliers are for anyone who has ever wrestled with a stuck filter and sworn they’d get the right tool for next time.

Creating a Simple Maintenance Log for Your Machine

Now that you’ve changed all the fluids and filters, the final step is to record what you did. A simple maintenance log is one of the most valuable, yet overlooked, tools for equipment ownership. It transforms you from a reactive fixer into a proactive owner, helping you track service intervals and spot developing problems.

You don’t need a fancy spreadsheet. A simple spiral notebook kept in your shop will do the job perfectly. For your first entry, record the date and the machine’s hour meter reading. Then, list everything you just did:

• Engine oil and filter change (note oil type and filter part number)
• Hydraulic fluid change (note fluid type and amount)
• Fuel filter replaced (note part number)
• Greased all fittings

This log becomes the official history of your machine. It reminds you when the next service is due and provides a valuable record if you ever decide to sell the equipment. It takes five minutes to update but can save you hundreds of dollars by preventing a missed oil change or a forgotten filter replacement.

Your Refreshed Equipment is Ready for a New Life

With the grease and rust gone, fresh fluids circulating, and a new coat of paint protecting the metal, your used machine is no longer just a "great deal"—it’s your equipment. This initial investment of time and effort establishes a baseline of reliability for the seasons ahead. You now know its condition inside and out, and you’re equipped with the tools and knowledge to keep it running strong.

This process does more than just fix up an old machine; it builds your confidence and self-sufficiency. Every bolt you turn and every filter you change deepens your understanding of how your equipment works. That knowledge is invaluable when a problem arises in the middle of a critical task. Your refreshed machine is now ready for a new life of productive work on your farm.

By tackling these essential first maintenance tasks, you’ve done more than just a cosmetic touch-up; you’ve laid the foundation for a long and reliable service life. Now, you can put your equipment to work with the confidence that it’s ready for the job. Welcome to the satisfying world of keeping good old iron running.