8 Supplies for Maintaining Farm Trucks Used for Snow Plowing

When the winter wind starts howling and the driveway disappears under a foot of heavy snow, your farm truck becomes the most important tool on the property. Keeping that truck running and the plow moving requires more than just a full tank of fuel and a warm cab. Having the right maintenance supplies on hand before the storm hits is the difference between a cleared path and a freezing, expensive breakdown.

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

Preparing Your Farm Truck for Harsh Winter Work

Imagine waking up at 5:00 AM to feed the livestock, only to find the access roads blocked by drifts and your truck battery dead. A farm truck pulling double duty as a snowplow faces extreme stress that a standard commuter vehicle never encounters. Preparing the rig before the first flake falls ensures the homestead remains accessible and safe all winter long.

Winter preparation is about proactive defense against freezing temperatures, heavy loads, and corrosive road salt. Neglecting the small details now leads to ruptured hydraulic lines, frozen fuel filters, and seized steering joints when you can least afford them. Setting up a dedicated winter maintenance kit keeps the truck reliable when the weather is at its worst.

Why Snow Plowing Demands Extra Rig Maintenance

Plowing snow is brutal on a vehicle’s drivetrain, electrical system, and chassis. Pushing hundreds of pounds of wet, heavy snow forces the transmission to work harder and the engine to run hotter at low speeds. This extreme duty cycle accelerates wear on every moving part, requiring frequent inspections and specialized lubricants.

The electrical demand of a plow is another hidden drain on your truck’s resources. Angling and lifting the heavy steel blade requires massive draws of electrical current, putting immense strain on the alternator and battery. Combined with sub-zero temperatures, this electrical load can quickly leave a poorly maintained truck stranded in the middle of a job.

The constant exposure to moisture and road salt creates a perfect breeding ground for rust. Salt-laden slush gets kicked up into every nook and cranny of the undercarriage, corroding brake lines and electrical connectors. Regular maintenance isn’t just about performance; it is about protecting a major farm investment from rotting away.

Hydraulic Fluid – Meyer M-1 Premium Fluid

Hydraulic fluid is the lifeblood of your snowplow, transferring the power needed to lift and angle the heavy metal blade. Standard hydraulic oils can thicken or freeze in sub-zero temperatures, causing sluggish response times or blowing out pump seals entirely. A dedicated low-temperature fluid keeps the plow operating smoothly even when the thermometer plummets.

Meyer M-1 Premium Fluid is formulated specifically to handle these extreme winter conditions. It features a low-pour point that prevents freezing down to -40°F, ensuring instant response times during early morning clearing. It also contains anti-wear additives and moisture-checking agents that protect the pump’s internal components from ice crystals and corrosion.

Before pouring, always drain the old fluid completely to avoid contaminating the new batch with trapped water. This fluid is designed for most standard plow systems, but always verify compatibility with your specific manufacturer’s guidelines.

• Pour Point: Operates down to -40°F
• Container Size: 1-quart bottles for easy pouring
• Compatibility: Ideal for Meyer and other high-pressure plow systems

This fluid is perfect for small-scale farmers who need reliable plow performance in deep-freeze climates. It is not necessary for those in mild regions where temperatures rarely dip below freezing, where standard multi-viscosity fluids might suffice.

Dielectric Grease – Permatex Tune-Up Grease

Snow plows rely on complex electrical harnesses that connect the cabin controls to the external pump and lights. These connections are constantly bombarded by salty slush, which can cause short circuits, erratic plow behavior, or complete electrical failure. Dielectric grease seals these connections, keeping moisture out and electrical current flowing where it belongs.

Permatex Tune-Up Grease provides a heavy-duty, silicone-based barrier that insulates electrical connections from the elements. It does not conduct electricity itself, but rather prevents voltage leaks and keeps salt water from corroding the delicate metal pins inside plow plugs. The squeeze tube design makes it easy to apply directly into tight terminal housings without making a mess.

Apply a generous dab to the main plow harness plug, headlight connectors, and battery terminals before the season starts. Keep in mind that a little goes a long way; over-packing a connector can sometimes prevent it from snapping together securely.

• Material: 100% silicone paste
• Temperature Range: Effective from -65°F to 400°F
• Best For: Multi-pin plow plugs, spark plug boots, and trailer light connections

This grease is a must-have for anyone running a detachable plow system that exposes open plugs to the elements when disconnected. It is less critical for permanently mounted, hard-wired setups, though still useful for general battery maintenance.

Rust Inhibitor – Fluid Film Aerosol Spray

The undercarriage of a farm truck takes a beating from road salt, brine, and constant moisture during plowing operations. Once rust gains a foothold on the frame, oil pans, or brake lines, it is incredibly difficult and expensive to stop. A high-quality rust inhibitor creates a sacrificial barrier that prevents oxygen and salt from reaching the bare metal.

Fluid Film Aerosol Spray is a lanolin-based lubricant and rust preventer that does not wash off easily in heavy slush. Unlike hard undercoatings that can trap moisture underneath and accelerate rot, this non-drying formula remains active, self-healing over scratches and creeping into tight seams. It is non-toxic and safe to use near rubber bushings and wiring harnesses.

Application is straightforward with the aerosol can, but the surface should be as clean and dry as possible beforehand. Be careful to avoid spraying this product directly onto brake rotors, exhaust pipes, or hot engine components where it could smoke or cause slipping.

• Base Ingredient: Natural lanolin (solvent-free)
• Application: Easy-to-use aerosol spray with extension straw
• Coverage: Great for frame rails, leaf springs, and plow pivots

This spray is ideal for hobby farmers looking for an affordable, DIY way to protect their truck’s frame and plow assembly from winter rot. It is not suitable for those looking for a permanent, one-time application, as it must be reapplied annually.

Tire Chains – Security Chain Company Super Z

Even the best four-wheel-drive farm truck can lose traction on packed snow and hidden ice while pushing a heavy plow. Spinning tires not only stalls your progress but also tears up gravel driveways and strains the truck’s differential. Tire chains provide the mechanical bite needed to maintain control and push through heavy drifts safely.

The Security Chain Company Super Z cable chains offer exceptional traction with a low-profile design that fits trucks with limited wheel well clearance. Their alloy traction coils are highly durable and provide smoother operation than traditional heavy link chains, reducing vibration in the cab. The built-in rubber tensioners ensure a snug fit without requiring constant manual adjustment.

Always test-fit these chains in a dry, warm barn before you actually need them in a blizzard. Driving on bare pavement with chains installed will quickly ruin both the chains and your tires, so they should only be mounted when actively plowing or navigating deep snow.

• Design: Low-profile cable chain with alloy traction coils
• Tensioning: Integrated rubber tighteners included
• Compatibility: Fits a wide range of light truck tire sizes (check sizing chart)

These chains are perfect for part-time farmers dealing with steep gravel drives or icy farm lanes where maximum traction is non-negotiable. They are not meant for high-speed highway driving or clear, dry roads.

Battery Charger – NOCO Genius5 Smart Charger

Extreme cold saps battery power rapidly, cutting its starting capacity by up to 50 percent when temperatures drop below freezing. When you add the heavy electrical draw of a plow motor, a weak battery will quickly leave you stranded. A smart battery charger keeps your truck’s electrical system primed and ready to start instantly on freezing mornings.

The NOCO Genius5 Smart Charger is more than just a trickle charger; it is a multi-stage maintainer and desulfator that actively repairs worn batteries. It automatically detects battery sulfation and acid stratification, restoring lost performance to extend battery life. Its compact size and intuitive interface make it easy to mount or store right in the farm workshop.

This charger works with all types of 6-volt and 12-volt lead-acid, gel, and AGM batteries commonly found in farm trucks. It features a built-in thermal sensor that adjusts the charging cycle based on ambient temperature, preventing overcharging in warm weather and undercharging in deep freezes.

• Charging Current: 5 Amps
• Battery Voltage: Works with 6V and 12V batteries
• Special Modes: Force Mode for dead batteries, plus battery repair mode

This charger is an essential tool for any hobby farmer whose truck sits idle between winter storms. It is not designed for heavy commercial fleet charging where rapid, high-amperage jump-starting is required.

De-Icing Fluid – Rain-X Windshield Washer

Visibility is one of the biggest safety challenges when plowing snow, especially during early morning or late-night storms. Standard blue windshield washer fluid will freeze instantly on a cold windshield, leaving a dangerous sheet of ice right in your line of sight. A specialized de-icing fluid melts frost on contact and prevents ice from reforming as you work.

Rain-X Windshield Washer de-icing fluid is formulated to melt light ice and snow while resisting freezing down to -25°F. It applies a water-beading technology to the glass, which helps shed sleet, snow, and road grime quickly for a clearer view. This prevents the wiper blades from streaking or tearing when clearing heavy slush.

Make sure to purge your windshield washer lines of any summer fluid before adding the de-icer to prevent the mixture from freezing in the reservoir. Keep an extra gallon in the truck cab, as plowing behind salt spreaders will require frequent spraying to keep the windshield clean.

• Freeze Protection: Effective down to -25°F
• Technology: Rain-X water-beading technology built-in
• Formula: Premixed and ready to pour

This fluid is highly recommended for anyone plowing in active snowstorms or high-traffic areas where road spray is constant. It is less necessary for quick, indoor-to-outdoor plowing of small, private barnyards where visibility is less of an issue.

Pivot Grease – Lucas Oil Marine Grease

A snowplow relies on several heavy-duty pivot pins, hinges, and springs to angle the blade and absorb impacts from hidden obstacles. These moving parts are constantly exposed to moisture, road salt, and dirt, which can quickly wash away standard grease and cause the joints to seize. Regular application of a water-resistant grease keeps the plow moving freely and prevents costly structural damage.

Lucas Oil Marine Grease is an outstanding choice for plow pivots because of its extreme water resistance and adhesive properties. This lithium complex grease is designed to stay put under heavy loads and constant exposure to wet environments, resisting washouts better than standard chassis grease. It also provides excellent rust protection, which is crucial for equipment that sits wet for days at a time.

Use a high-pressure grease gun to pump this grease into all the plow’s zerk fittings until you see a small amount of clean grease squeeze out of the joints. Be sure to wipe away any excess grease, as it can attract grit and dirt that acts like sandpaper on the moving parts.

• Thickener Type: Lithium Complex
• Water Resistance: Excellent resistance to water washout
• Application: Ideal for plow pivot pins, trailer bearings, and chassis joints

This grease is perfect for farmers who leave their plows mounted throughout the winter season, exposing them to continuous wet conditions. It is not the best choice for high-speed, high-temperature wheel bearings on heavy road trucks, where specialized high-temp grease is preferred.

Fuel Additive – Power Service Diesel Supplement

Diesel-powered farm trucks face a unique challenge in the winter: diesel fuel contains natural paraffin wax that can crystallize and "gel" in cold weather. When fuel gels, it plugs the fuel filter and starves the engine, leaving you with a dead truck in the middle of a driveway. A winter fuel additive lowers the fuel’s gelling point, keeping the engine running smoothly in sub-zero temps.

Power Service Diesel Supplement (the white bottle) is the industry standard for preventing fuel gelling and boosting cold-weather performance. It contains a de-icer that disperses moisture throughout the fuel system to prevent ice crystals from forming in the lines. It also boosts cetane levels for faster, smoother cold starts and lubricates fuel injectors to prevent wear.

For maximum effectiveness, add this supplement directly to the fuel tank before filling up at the pump to ensure thorough mixing. Keep in mind that this is a preventive measure; if your fuel has already gelled, you will need a different emergency product to dissolve the wax.

• Function: Prevents fuel gelling down to -40°F
• Additives: Cetane boost and slickdiesel lubricator
• Treatment Ratio: 32 oz treats up to 100 gallons of fuel

This additive is a non-negotiable requirement for anyone operating a diesel farm truck in regions where winter temperatures drop below freezing. It is not needed for gasoline-powered trucks, which do not suffer from fuel gelling issues.

Post-Storm Cleaning Tips to Prevent Vehicle Rust

Once the storm has passed and the driveways are clear, the temptation is to park the truck and head inside for a warm drink. However, leaving salty slush and road brine caked on your truck’s undercarriage is the quickest way to ruin the frame. Taking twenty minutes to wash the truck immediately after plowing will save thousands of dollars in rust repairs down the road.

Use a high-pressure hose or pressure washer to thoroughly spray down the wheel wells, frame rails, and the back of the plow blade. Pay special attention to hidden pockets, such as the inside of the bumpers and above the fuel tank, where salt-laden mud loves to collect. If temperatures are below freezing, try to do this in a heated shop or garage to prevent the locks and doors from freezing shut.

For an extra layer of protection, consider using a salt-neutralizing wash solution that chemically breaks down the corrosive bond of road salt. Once the vehicle is dry, inspect the undercarriage for any spots where the rust inhibitor has worn off and touch them up before the next storm hits.

Creating a Reliable Winter Maintenance Schedule

A successful winter maintenance program relies on consistency rather than emergency repairs. Waiting until a major blizzard is forecast to check your fluids and tire chains is a recipe for stress and failure. Establishing a simple, structured maintenance schedule ensures your farm truck is always ready to roll when the snow starts falling.

Divide your maintenance tasks into three categories: pre-season prep, post-storm inspections, and monthly deep-dives. Before the first freeze, focus on changing fluids, applying rust inhibitors, and testing the battery. After every major plowing event, check the plow’s hydraulic fluid levels, grease the pivot pins, and wash away any road salt.

Keep a small logbook in the truck’s glove box to track when services were performed and note any parts that may need replacement soon. This proactive approach keeps your equipment running reliably, protects your financial investment, and ensures your homestead remains safe and accessible all winter long.

Keeping your farm truck properly maintained during the grueling winter months is essential for keeping your property safe and accessible. By stocking up on these eight essential supplies, you can tackle the heaviest snowfalls with confidence. Take care of your rig, and it will take care of your farm when the winter weather is at its worst.