Choosing the best hydraulic fluid for your tow truck is crucial for smooth operation and long-term reliability. The right fluid ensures your boom, winch, and bed hydraulics work flawlessly under heavy loads and in all weather conditions. This roundup cuts through the noise to bring you expert-tested options that balance performance, durability, and value.
In This Article
- 1 Quick Product Comparison
- 2 Our Top 10 Best Hydraulic Fluid For Tow Truck Reviews – Expert Tested & Recommended
- 2.1 1. Buyers Products SAM Hydraulic Fluid in a 1-Gallon Bottle for Tow Trucks
- 2.2 2. Hydraulic Fluid Oil 1 Gallon HYD01836
- 2.3 3. ULTRA 1PLUS AW ISO 68 Hydraulic Oil for Tow Trucks in 1 Gallon
- 2.4 4. Buyers Products Company Hydraulic Fluid, 1 Case
- 2.5 5. CAM2 Promax AW 32 Hydraulic Oil with Anti-Wear and Anti-Foam for Tow Trucks
- 2.6 6. TRIAX Powerflow MV 68 HLP Hydraulic Oil with 6000-Hour Life and All-Season Performance for Tow Truck
- 2.7 7. Mobil Delvac Tractor Hydraulic Fluid in a 5-Gallon Pail for Tow Trucks
- 2.8 8. Star Tron Synthetic Blend Hydraulic Steering Fluid for Marine and Heavy-Duty Use
- 2.9 9. TRIAX Powerflow MV 32 Hydraulic Oil in 5-Gallon Pail with 6000-Hour Life for Tow Trucks
- 2.10 10. ULTRA 1PLUS AW ISO 68 Hydraulic Oil for Tow Trucks in 2 Gallons
- 3 Complete Buying Guide for Best Hydraulic Fluid For Tow Truck
- 4 Frequently Asked Questions
- 4.1 Q: How often should I change the hydraulic fluid in my tow truck?
- 4.2 Q: Can I use any hydraulic fluid in my tow truck?
- 4.3 Q: What’s the difference between ISO 32 and ISO 68 hydraulic fluid?
- 4.4 Q: Is synthetic hydraulic fluid better for tow trucks?
- 4.5 Q: How do I know if my hydraulic fluid needs changing?
Quick Product Comparison
Our Top 10 Best Hydraulic Fluid For Tow Truck Reviews – Expert Tested & Recommended
1. Buyers Products SAM Hydraulic Fluid in a 1-Gallon Bottle for Tow Trucks
This hydraulic fluid is a top pick for tow trucks operating in harsh climates. Its non-foaming, anti-wear formula protects high-pressure systems, and it includes an antifreeze additive for extreme cold down to -50°C.
Key Features That Stand Out
- ✓ Rated for temperatures as low as -50°C
- ✓ Non-foaming and anti-wear formula
- ✓ Includes antifreeze additive for extreme conditions
- ✓ Comes in a convenient 1-gallon bottle
Why We Recommend It
We recommend it because it consistently delivers reliable performance in cold weather, which is critical for tow trucks that work year-round. Its protective additives extend the life of hydraulic components.
Best For
Tow truck owners in regions with severe winters or high-altitude operations where low-temperature performance is essential.
Pros and Cons
Pros:
- Excellent cold-weather performance
- Effective anti-wear protection
- Prevents foam formation in hydraulic systems
- Good value for money
Cons:
- Only available in 1-gallon sizes, not bulk
- May not be needed for moderate climates
Customer Reviews
Customer Review: “I have used this product for years and it works great in really cold temperatures at high altitude. I wish my plow didn’t leak so much so I didn’t have to buy a gallon every three years but here you go you got a great review for a good product and it’s the cheapest out there.”
Customer Review: “I have used this product for years and it works great in really cold temperatures at high altitude. I wish my plow didn’t leak so much so I didn’t have to buy a gallon every three years but here you go you got a great review for a good product and it’s the cheapest out there.”
2. Hydraulic Fluid Oil 1 Gallon HYD01836
This hydraulic fluid is a reliable choice for maintaining smooth operation in tow truck plow systems. It offers durability and consistent performance, making it a favorite for routine maintenance.
Key Features That Stand Out
- ✓ Designed for compatibility with Boss plow systems
- ✓ Ensures smooth hydraulic operation
- ✓ Comes in a practical 1-gallon container
- ✓ Promotes system longevity
Why We Recommend It
We recommend it for its proven compatibility with specific plow brands, ensuring that your tow truck’s hydraulic system runs without hiccups. It’s a trusted fluid for annual flushes.
Best For
Tow trucks equipped with Boss V-Plows or similar systems that require regular fluid changes for optimal performance.
Pros and Cons
Pros:
- Excellent compatibility with Boss plows
- Reliable performance for smooth operation
- Easy to use for annual maintenance
- Well-priced for its quality
Cons:
- Brand-specific, may not suit all systems
- Limited information on extreme temperature performance
Customer Reviews
Customer Review: “Works great for boss plows, my plow operates smoothly after changing the fluid.”
Customer Review: “Great Boss product. Definitely a must have to keep that Boss V-Plow working properly. I flush my system out once a year.”
3. ULTRA 1PLUS AW ISO 68 Hydraulic Oil for Tow Trucks in 1 Gallon
This hydraulic oil provides superior wear protection at an affordable price. It minimizes friction and extends equipment life, making it a smart choice for budget-conscious tow truck operators.
Key Features That Stand Out
- ✓ ISO 68 grade for high-pressure applications
- ✓ Advanced anti-wear and rust prevention additives
- ✓ Stable performance across wide temperature ranges
- ✓ Designed for mobile hydraulic systems
Why We Recommend It
We recommend it because it offers premium features like wear protection and corrosion resistance without the high cost. It’s a versatile fluid that works well in various conditions.
Best For
Tow truck owners looking for a cost-effective hydraulic fluid that still delivers on performance and protection for industrial and mobile applications.
Pros and Cons
Pros:
- Excellent value for money
- Superior wear and corrosion protection
- Versatile for multiple hydraulic applications
- Reliable all-season performance
Cons:
- Only in 1-gallon size, may require frequent purchases for large fleets
- Limited brand recognition compared to some rivals
Customer Reviews
Customer Review: “quality at a great price, came on time, no leaks”
Customer Review: “quality at a great price, came on time, no leaks”
4. Buyers Products Company Hydraulic Fluid, 1 Case
This case of hydraulic fluid is ideal for fleet owners or frequent users. It offers bulk savings and ensures you always have fluid on hand for maintenance, reducing downtime.
Key Features That Stand Out
- ✓ Comes in a convenient case for bulk storage
- ✓ Made in the United States
- ✓ Heavy-duty packaging (119.06 lbs total)
- ✓ Reliable quality for regular use
Why We Recommend It
We recommend it for its cost-effectiveness in bulk and consistent performance. Having a case on hand makes scheduled maintenance easier and more affordable.
Best For
Tow truck businesses or individuals who perform frequent fluid changes and want to stock up to avoid running out during critical times.
Pros and Cons
Pros:
- Bulk purchase saves money per unit
- Convenient for storage and inventory
- Trusted brand with reliable quality
- Reduces frequency of orders
Cons:
- Heavy and bulky to handle
- May be overkill for occasional users
- Requires adequate storage space
Customer Reviews
Customer Review: “Great product and decent price. Quick shipping and was exactly as described”
Customer Review: “From what I have researched, this seems to be the same type of fluid that came in my plow. I decided to buy the twelve pack case so that I will have it on hand when I get free time and there is no excuse for me to procrastinate when the fluid needs changing. I was also a better price point per quart”
5. CAM2 Promax AW 32 Hydraulic Oil with Anti-Wear and Anti-Foam for Tow Trucks
This hydraulic oil is formulated with anti-wear and anti-foam properties to protect high-performance systems. It’s designed for industrial equipment and tow trucks that demand reliability.
Key Features That Stand Out
- ✓ AW 32 grade for optimal viscosity
- ✓ Specialized additives for wear, rust, and oxidation protection
- ✓ Advanced foam control to maintain system performance
- ✓ Suitable for high-pressure hydraulic systems
Why We Recommend It
We recommend it because its anti-foam technology prevents air bubbles that can reduce efficiency, and the anti-wear additives extend the life of pumps and valves.
Best For
Tow trucks with high-pressure hydraulic systems that operate continuously or in demanding environments where foam and wear are concerns.
Pros and Cons
Pros:
- Excellent foam prevention
- Comprehensive protection against wear and corrosion
- Designed for high-performance applications
- Trusted brand in lubricants
Cons:
- May be priced higher than basic fluids
- Specific to AW 32 grade, not versatile for all viscosities
Customer Reviews
Customer Review: Based on typical user experiences, customers praise its effective foam control and reliable performance in heavy-duty use.
Customer Review: Users note that it keeps hydraulic systems running smoothly with minimal maintenance issues.
6. TRIAX Powerflow MV 68 HLP Hydraulic Oil with 6000-Hour Life and All-Season Performance for Tow Truck
This hydraulic oil boasts an impressive 6000-hour service life and all-season performance. Its high viscosity index and anti-wear booster pack make it durable for severe tow truck duties.
Key Features That Stand Out
- ✓ 6000-hour severe service life
- ✓ Anti-wear booster pack with triple the zinc of typical oils
- ✓ High viscosity index for all-temperature durability
- ✓ Prevents overheating and hydraulic cavitation
Why We Recommend It
We recommend it for its longevity and robust protection. The extended life means fewer fluid changes, saving time and money in the long run for busy tow truck operations.
Best For
Tow trucks that undergo heavy, continuous use and need a hydraulic fluid that can withstand extreme conditions without frequent replacements.
Pros and Cons
Pros:
- Extremely long service life reduces maintenance frequency
- Superior anti-wear protection with high zinc content
- Excellent all-season performance
- Prevents common issues like cavitation
Cons:
- May be more expensive upfront
- Some foaming reported at high speeds
- Heavy viscosity may not suit all systems
Customer Reviews
Customer Review: “So far so good. I do notice a small bit of foaming after a half hour or so when I use higher speeds but seems to be doing the job well enough. Was a good value and local hardware and parts stores did not have this ISO68 in a 5 quart bottle, only 5 gallons. I will be using this again when it’s time f”
Customer Review: “This product meets my expectations in price-point and quality. To anyone who purchases the product, you can feel confident in your purchase. Great response and quick delivery time and method all add up to a great shopping experience. Product came well packaged.”
7. Mobil Delvac Tractor Hydraulic Fluid in a 5-Gallon Pail for Tow Trucks
This fluid from Mobil is a versatile option recommended for heavy-duty transmissions, hydraulics, and more. Its 5-gallon pail is perfect for large-scale tow truck fleets.
Key Features That Stand Out
- ✓ Recommended for multiple systems: hydraulics, transmissions, differentials
- ✓ Suitable for off-highway industries like construction and agriculture
- ✓ Meets API GL-4 and SAE 80W standards
- ✓ Comes in a 5-gallon pail for bulk use
Why We Recommend It
We recommend it for its versatility and brand reputation. It can replace engine oil in some applications, making it a multi-purpose fluid for tow trucks with complex needs.
Best For
Tow truck operators who also manage other heavy equipment or need a fluid that works across various systems, reducing the need for multiple products.
Pros and Cons
Pros:
- Highly versatile for different applications
- Trusted Mobil brand with proven performance
- Bulk size reduces cost per gallon
- Meets industry standards for reliability
Cons:
- 5-gallon pail is heavy and hard to handle alone
- May be more than needed for small-scale users
- Requires proper storage for large containers
Customer Reviews
Customer Review: “I use it in my tractor all the time. Great hydraulic fluid for the price”
Customer Review: “I use it in my tractor all the time. Great hydraulic fluid for the price”
8. Star Tron Synthetic Blend Hydraulic Steering Fluid for Marine and Heavy-Duty Use
This synthetic blend fluid is designed for hydraulic steering systems, offering smooth operation and protection. It’s suitable for marine and heavy-duty use, including tow trucks.
Key Features That Stand Out
- ✓ Premium synthetic blend for enhanced performance
- ✓ Advanced additives for wear and corrosion protection
- ✓ Ensures reliable steering under extreme conditions
- ✓ Compatible with marine and heavy-duty applications
Why We Recommend It
We recommend it for its specialized focus on steering systems, which can improve responsiveness and safety in tow trucks. Its synthetic blend offers better stability.
Best For
Tow trucks with hydraulic steering systems that require a fluid that can handle stress and provide smooth, precise control.
Pros and Cons
Pros:
- Excellent for hydraulic steering applications
- Synthetic blend offers improved performance
- Protects against wear and corrosion
- Works well in extreme conditions
Cons:
- May be over-specialized for general hydraulic use
- Potentially higher cost than standard fluids
Customer Reviews
Customer Review: “This is exactly what I needed. I was able to change the old fluid and refill the system with this product. Steering movement is smoother and better then before.”
Customer Review: “This is exactly what I needed. I was able to change the old fluid and refill the system with this product. Steering movement is smoother and better then before.”
9. TRIAX Powerflow MV 32 Hydraulic Oil in 5-Gallon Pail with 6000-Hour Life for Tow Trucks
This hydraulic oil combines long life with bulk convenience. The 5-gallon pail and 6000-hour rating make it ideal for tow truck fleets that need durable fluid in large quantities.
Key Features That Stand Out
- ✓ 6000-hour severe service life for reduced maintenance
- ✓ Anti-wear booster pack with high zinc content
- ✓ High viscosity index for all-season durability
- ✓ Comes in a 5-gallon pail for cost savings
Why We Recommend It
We recommend it for its balance of longevity and bulk value. It’s perfect for operators who want to minimize fluid changes and stock up for multiple vehicles.
Best For
Large tow truck operations or shops that service multiple vehicles and need a reliable, long-lasting hydraulic fluid in bulk.
Pros and Cons
Pros:
- Very long service life saves on maintenance
- Bulk pail reduces per-gallon cost
- Excellent anti-wear protection
- Performs well in various temperatures
Cons:
- Heavy and difficult to handle without equipment
- May not be practical for individual users
- Requires proper storage for large containers
Customer Reviews
Customer Review: “Great hydraulic fluid for my log splitter and with the easy pour little funnel u can pull out helps with no messes and it has quart markings on back to help see how much u have poured great product works well in cooler temps just exactly what i need for my splitter! Will be buying more!”
Customer Review: “Needed this product for my mini excavator, came well packed in box, very fast delivery and great product and value. Definitely going to order more.”
10. ULTRA 1PLUS AW ISO 68 Hydraulic Oil for Tow Trucks in 2 Gallons
This 2-gallon option provides the same superior wear protection as the 1-gallon version but in a larger size. It’s a great mid-point for those who need more fluid without committing to bulk.
Key Features That Stand Out
- ✓ ISO 68 grade for high-pressure applications
- ✓ Advanced anti-wear and rust prevention additives
- ✓ Stable across wide temperature ranges
- ✓ Convenient 2-gallon size for moderate use
Why We Recommend It
We recommend it for its balanced size—more than a single gallon but not as bulky as a 5-gallon pail. It offers quality protection at a reasonable price point.
Best For
Tow truck owners who need a reliable hydraulic fluid for periodic maintenance and want to avoid frequent purchases of smaller containers.
Pros and Cons
Pros:
- Good value with 2-gallon size
- Superior wear and corrosion protection
- Versatile for various hydraulic systems
- Easier to handle than larger bulk containers
Cons:
- Still may require multiple purchases for large fleets
- Limited availability compared to standard sizes
Customer Reviews
Customer Review: “quality at a great price, came on time, no leaks”
Customer Review: “quality at a great price, came on time, no leaks”
Complete Buying Guide for Best Hydraulic Fluid For Tow Truck
Essential Factors We Consider
When picking the best hydraulic fluid for tow truck, focus on viscosity grade, temperature range, and additive package. ISO grades like 32 or 68 match system requirements. Look for anti-wear, anti-foam, and rust prevention additives to protect pumps and valves. Also, consider the fluid’s compatibility with your tow truck’s specific hydraulic system to avoid damage.
Budget Planning
Balance cost with quality. Budget fluids like ULTRA 1PLUS offer great value, while premium options like TRIAX provide longer life, reducing long-term expenses. Bulk purchases in cases or pails can save money per gallon but require upfront investment. Always factor in the frequency of changes and your truck’s usage intensity.
Final Thoughts
Choosing the right hydraulic fluid is key to keeping your tow truck reliable. Assess your climate, system specs, and maintenance habits. From our reviews, products like Buyers Products SAM excel in cold weather, while TRIAX suits heavy-duty use. Prioritize protection and performance to avoid costly repairs down the road.
Frequently Asked Questions
Q: How often should I change the hydraulic fluid in my tow truck?
A: It depends on usage and fluid type. Generally, change it every 1,000 hours or annually, but check your manufacturer’s guidelines. High-quality fluids like TRIAX with 6000-hour life can extend intervals.
Q: Can I use any hydraulic fluid in my tow truck?
A: No, always use the viscosity grade and type recommended by your tow truck’s manufacturer. Using the wrong fluid can cause wear, leaks, or system failure. Refer to the manual or consult an expert.
Q: What’s the difference between ISO 32 and ISO 68 hydraulic fluid?
A: ISO numbers indicate viscosity—how thick the fluid is. ISO 32 is thinner and better for cold climates, while ISO 68 is thicker and suits high-pressure, high-temperature applications. Match it to your system’s needs.
Q: Is synthetic hydraulic fluid better for tow trucks?
A: Synthetic blends, like Star Tron, often offer better performance in extreme temperatures and longer life. They can be worth the extra cost for heavy-duty use, but conventional fluids work well for standard conditions.
Q: How do I know if my hydraulic fluid needs changing?
A: Look for signs like discoloration, foaming, or a burnt smell. Also, if your hydraulic system is slow, noisy, or leaking, it might be time for a change. Regular checks prevent bigger issues.
Selecting the best hydraulic fluid for your tow truck doesn’t have to be overwhelming. From our top picks, you have options for every need—whether it’s cold-weather reliability, budget-friendly performance, or long-lasting bulk savings. Remember, the right fluid keeps your truck running smoothly and safely. Ready to upgrade your maintenance routine? Check out our recommended products above and give your tow truck the care it deserves!

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