How to Maintain Your PJ Dump Trailer in 5 Easy Steps

Quick Guide to Maintaining Your PJ Dump Trailer:

  1. Inspect and Clean Regularly – Check brakes, lights, wheel bearings, and remove debris.
  2. Lubricate Moving Parts – Grease axles, jacks, and gears every 6,000 miles or every 6 months.
  3. Maintain the Hydraulic System – Use recommended hydraulic fluid and check for leaks.
  4. Check Your Tires and Wheels – Monitor tire pressure and tread, ensure wheels are aligned.
  5. Electrical and Lighting Checks – Ensure all lights and signals work correctly and check wiring.

Maintaining your PJ Dump Trailer is crucial for extending its lifespan and ensuring safety during operation. Simple steps, performed consistently, can prevent unexpected breakdowns and costly repairs. Given the importance of dump trailers for small to medium-sized business owners in industries like construction, landscaping, and roofing, understanding how to maintain these tools effectively is not just beneficial—it’s necessary.

Regular maintenance not just maximizes your trailer’s performance but also ensures you adhere to safety standards, protecting your employees and investment. PJ Trailers is a respected name in the industry, known for its quality and durability. However, like any heavy equipment, a PJ Dump Trailer requires regular care to keep it functioning at its best.

Taking the time to inspect, clean, and perform routine checks on your trailer can save you time and money in the long run, besides ensuring you get the most out of your investment. This guide will walk you through five easy steps to keep your PJ Dump Trailer in prime condition.

Quick Guide to Maintaining Your PJ Dump Trailer - pj dump trailer maintenance infographic pillar-5-steps

Step 1: Regular Inspection and Cleaning

Regular inspection and cleaning are the cornerstones of effective PJ dump trailer maintenance. Here’s how to do it right:


Check your trailer’s brakes for wear and tear. If the brake pads or shoes are less than 1/8 inch thick, it’s time for a replacement. Also, inspect the brake rotors or drums for any signs of damage and replace them if necessary.


Ensure all nuts, bolts, and fasteners are tight and in good condition. Loose parts can lead to bigger issues down the road.

Frame Members

Inspect the trailer’s frame for any signs of stress, cracks, or corrosion. Catching these issues early can prevent serious damage.

Lights and Signals

Test all lights and signals before each use. This is not just a safety measure but also a legal requirement in many areas.

Wheel Bearings

Wheel bearings should be checked and repacked with grease annually. This prevents friction and wear, extending their life.

Wheel Rims

Look for any cracks or damage on the wheel rims. Damaged rims can lead to tire failure and should be replaced immediately.

Remove Debris

After each use, remove any debris from your trailer. This includes dirt, rocks, and any material you were hauling. Debris can trap moisture against the metal, leading to rust and corrosion.

High-Pressure Washer

Use a high-pressure washer to clean off mud, dirt, and grime from hard-to-reach areas. Pay special attention to the undercarriage and hydraulic components.

Polish and Wax

Finally, apply a coat of polish and wax to the trailer’s body. This not only keeps it looking good but also adds a protective layer against the elements.

Remember, regular cleaning and inspection not only keep your PJ dump trailer looking great but also significantly extend its service life and reliability. By following these steps, you ensure that your trailer is safe, functional, and ready for work whenever you are.

Now, let’s move on to greasing and lubrication, another critical aspect of dump trailer maintenance.

Step 2: Greasing and Lubrication

Keeping your PJ dump trailer in top working condition isn’t just about cleaning; it’s also about ensuring that all its moving parts are well-lubricated. This is where greasing and lubrication play a pivotal role. Let’s break it down into simple, actionable steps.

Grease Zerk Fittings

First off, you need to know about Grease Zerk fittings. These are the little nipples you see on the axles and other moving parts of your trailer. They’re designed for a grease gun to latch onto, allowing you to inject grease directly into the moving parts. It’s a simple but crucial task.

Axle(s) Lubrication

Your trailer’s axles bear the brunt of the load and are constantly in motion, which means they need regular lubrication. Aim to lubricate your axles every 6 months or every 6,000 miles, whichever comes first. This will help prevent wear and tear, ensuring smoother rides and longer axle life.

Jack and Drop-Leg Maintenance

Don’t forget about the jack and drop-leg! These components are essential for the stability and mobility of your dump trailer when it’s not hitched to a vehicle. They should be greased regularly to maintain ease of use and to protect against rust and corrosion. A little grease can make cranking the jack or adjusting the drop-leg much smoother and less of a chore.

Grease Gears

If your dump trailer has any exposed gears, especially in the hydraulic system, these also need attention. Apply a high-quality grease to keep them operating smoothly. This not only ensures efficient operation but also protects the gears from grinding against each other, which can lead to premature wear or failure.

In Summary:

  • Frequency: Every 6 months or 6,000 miles, whichever comes first.
  • Components to Lubricate: Grease Zerk fittings, axles, jack, drop-leg, and any exposed gears.
  • Why It’s Important: Regular greasing and lubrication reduce friction between moving parts, protect against wear and corrosion, and ensure your trailer operates smoothly.

By following these simple steps, you can significantly extend the life of your PJ dump trailer and maintain its reliability and performance. A well-lubricated trailer is a happy trailer!

In the next section, we’ll dive into the hydraulic system maintenance, which is crucial for the operation of your dump trailer. Stay tuned to keep your trailer in tip-top shape!

Step 3: Hydraulic System Maintenance

Keeping your PJ dump trailer’s hydraulic system in good shape is like making sure the heart of your trailer is healthy. Without it, lifting and lowering your dump bed becomes a problem. Let’s break down how to maintain this vital system simply and effectively.

Hydraulic Fluid

First things first, your hydraulic fluid is the lifeblood of the system. You’ll want to use a type of fluid that’s up to the task. Dextron III or Chevron AW 32 are great choices. These fluids are designed to work well in hydraulic systems without foaming up. Foam in your hydraulic fluid? That’s a no-go because it can lead to decreased efficiency and potential damage.

  • Why Non-Foaming? Non-foaming hydraulic fluids are essential because they maintain the system’s efficiency. Foam can cause the hydraulic system to overwork, leading to wear and tear.

Checking and Changing the Fluid

  • Regular Checks: Make it a habit to check your hydraulic fluid level regularly. Before any major use is a good rule of thumb. If it’s low, top it off with the recommended fluid. This is as simple as popping the hood of your car and checking the oil—easy but crucial.
  • Changing the Fluid: Over time, hydraulic fluid can get dirty and may even absorb moisture. This contamination can harm your system. So, how often should you change it? It varies, but a good guideline is to change it every one to two years, depending on use. If you’re using your trailer hard every day, lean towards the one-year mark.

Hydraulic Cylinders

These are the muscles of your hydraulic system, doing the heavy lifting—literally. Keeping them in good shape involves a few key steps:

  • Inspection: Regularly inspect the cylinders for any signs of wear or damage. Look for leaks, dents, or anything that seems out of the ordinary. These could be signs that it’s time for a repair or replacement.
  • Cleaning: Keep the cylinders clean. Dirt and debris can cause damage over time, so wiping them down regularly is a good practice.
  • Lubrication: Though not as frequently needed as other parts, ensuring the moving parts of the cylinders are lubricated can prevent wear and tear.

By following these simple steps, you’ll ensure that the hydraulic system of your PJ dump trailer remains in top condition, ready to lift and lower loads with ease. Prevention is better than cure. Regular maintenance not only keeps your trailer running smoothly but can also save you money on costly repairs down the line.

In our next section, we’ll move on to taking care of your trailer’s tires and wheels—another critical aspect of keeping your trailer road-ready and safe. Stay tuned for more tips on keeping your PJ dump trailer rolling smoothly!

Step 4: Tire and Wheel Maintenance

Keeping your PJ dump trailer in tip-top shape means paying close attention to the tires and wheels. It’s not just about avoiding flats; it’s about ensuring your trailer is safe, efficient, and ready to handle whatever load you’re hauling. Let’s dive into the essentials of tire and wheel maintenance.

Tire Pressure

Maintaining the correct tire pressure is crucial. Too low, and you risk tire overheating and increased wear; too high, and you compromise the tire’s grip on the road. Both scenarios can lead to dangerous blowouts. Check your tire pressure regularly with a reliable gauge and adjust according to the manufacturer’s recommendations. Tire pressure can change with the weather, so check it more often when temperatures swing.

Wheel Alignment

Misaligned wheels can cause uneven tire wear, poor handling, and reduced fuel efficiency. If your trailer starts pulling to one side or you notice uneven tire wear, it might be time for an alignment check. This task is best left to professionals who have the equipment to adjust your trailer’s alignment correctly.

Tire Tread

Tire tread depth is critical for maintaining good traction on the road. Worn tires can lead to slippage, especially in wet conditions, and can significantly increase stopping distances. Use a tread depth gauge to check your tires. If the tread depth is below the legal limit (usually 2/32 of an inch), it’s time for new tires. Don’t wait for a failure; proactive replacement is key to safety.

Wheel Lug Nuts

Loose or improperly torqued wheel lug nuts can lead to a wheel coming off while driving—a situation you want to avoid at all costs. Check the lug nuts for tightness with a torque wrench at regular intervals, especially before long trips. Follow the manufacturer’s specifications for the correct torque settings. It’s a simple check that can prevent a serious accident.

tire maintenance - pj dump trailer maintenance

By keeping an eye on these four aspects of your trailer’s tires and wheels, you’ll not only keep your trailer running smoothly but can also save you money on costly repairs down the line. Regular maintenance is essential for safety, efficiency, and longevity of your PJ dump trailer. Don’t overlook these simple yet critical maintenance tasks.

Next, we’ll explore the electrical and lighting system checks to ensure your trailer’s lights are always functioning correctly for safe towing.

Step 5: Electrical and Lighting System Checks

Keeping your PJ dump trailer’s electrical and lighting systems in top shape is not just about compliance with road safety regulations; it’s about ensuring your and others’ safety on the road. Let’s break down the essential checks and maintenance steps to keep these systems reliable.

Lights and Signals

First, check all your lights and signals. This includes your brake lights, turn signals, and running lights. It’s crucial these are always working properly to communicate your actions to other drivers, preventing accidents. If a bulb is out, replace it immediately. Regularly doing this check can save you from potential hazards on the road.

Wiring Harness Inspection

Next, take a close look at your wiring harness. This bundle of wires is the lifeline of your trailer’s electrical system. Check for any signs of wear and tear, such as frayed wires or loose connections. Damaged wiring can lead to malfunctioning lights or, worse, create a short circuit that could cause a fire. If you spot any damage, it’s time for a repair or replacement.

Battery Maintenance

Your dump trailer’s battery is another critical component. It powers the hydraulic lift system and, in some cases, the trailer’s lights. Ensure the battery is fully charged and securely mounted. Check the terminals for corrosion and clean them if necessary. A well-maintained battery ensures your dump trailer’s hydraulic system operates smoothly when you need to lift heavy loads.

3 Prong Extension Cord

Lastly, a simple yet effective tool in your maintenance kit should be a 3 prong extension cord. Use this to connect your trailer to an external power source. It’s especially useful for charging your trailer’s battery or running electrical diagnostics without draining the vehicle’s battery. Always ensure the cord is in good condition, without any cuts or damage, to avoid electrical hazards.

In summary, regular electrical and lighting system checks are crucial for the safe operation of your PJ dump trailer. By following these simple steps—inspecting lights and signals, checking the wiring harness, maintaining the battery, and using a 3 prong extension cord—you ensure your trailer remains safe, visible, and functional on the road. These checks not only keep you safe but also prevent costly repairs and extend the life of your trailer.

Let’s address some of the Frequently Asked Questions about PJ Dump Trailer Maintenance to clear up any uncertainties you might have.

Frequently Asked Questions about PJ Dump Trailer Maintenance

Maintaining a PJ dump trailer doesn’t have to be complicated. Let’s dive into some common questions to ensure you’re on the right track.

How often do you need to grease a dump trailer?

Greasing your dump trailer is crucial for smooth operation and longevity. For most PJ dump trailers, it’s recommended to grease every 6 months or every 6,000 miles, whichever comes first. This includes greasing the zerk fittings found on axles, jacks, and any drop-leg components. Regular greasing helps prevent rust and ensures moving parts operate efficiently.

What kind of oil does a PJ dump trailer take?

When it comes to the hydraulic system of your PJ dump trailer, the type of oil you use matters. For optimal performance, use Dextron III or Chevron AW 32 hydraulic fluid. These oils are designed to be non-foaming, which is crucial for maintaining the hydraulic system’s integrity and preventing damage. Always check your owner’s manual for specific recommendations for your model.

What is yearly maintenance for a trailer?

Yearly maintenance for a PJ dump trailer involves several key steps to ensure it remains in top condition. Here’s a quick checklist:

  1. Inspect and clean the trailer thoroughly, including brakes, fasteners, frame members, and removing any debris.
  2. Grease and lubricate moving parts as mentioned earlier.
  3. Check the hydraulic system, including fluid levels and the condition of hydraulic cylinders.
  4. Tire and wheel maintenance is crucial. Check tire pressure, alignment, tread, and ensure all lug nuts are tight.
  5. Perform electrical and lighting system checks. Ensure all lights and signals work correctly, and inspect the wiring harness and battery.

Following this yearly maintenance guide will help prevent unexpected issues, ensuring your PJ dump trailer is ready for work whenever you are.

Maintaining your PJ dump trailer doesn’t have to be a daunting task. By following these simple steps and keeping up with regular checks, you can ensure your trailer stays reliable for years to come.


In wrapping up our guide on pj dump trailer maintenance, it’s clear that taking these steps is not just about preserving the physical condition of your trailer. It’s about empowering you, the owner, with the knowledge and skills to tackle maintenance with confidence. At, our goal is to be more than just a resource for purchasing quality trailers; we aim to be a partner in your journey towards maintaining them.

Empowering with Information

We believe in the power of information. Understanding the ins and outs of your PJ dump trailer can transform how you approach maintenance, turning it from a chore into an opportunity to enhance performance and longevity. Our articles, tips, and guides are designed to make complex topics understandable, providing you with actionable advice that can be applied immediately.

Community of Professionals

You’re not alone in this. is home to a community of professionals, just like you, who face the same challenges and share the same goals. Whether you’re a small business owner in construction, landscaping, or any industry requiring heavy equipment, our platform offers a space to connect, share experiences, and learn from one another.

By focusing on core topics such as dump trailers, equipment maintenance, and small business challenges, we aim to address the specific needs of our audience. Real-world examples, case studies, and comparisons are regularly featured to illustrate key points, offering clear, direct solutions to common issues faced in the industry.

In conclusion, maintaining your PJ dump trailer is crucial for ensuring its reliability and longevity. By following the steps outlined in this guide and utilizing resources like, you’re not just performing maintenance; you’re investing in the future success of your business. Together, let’s navigate the intricacies of equipment maintenance and business management with confidence, ensuring you’re always ready for whatever job comes next.

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