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Diesel Motors

Fluids, Oils and Filters for Diesel Trucks
Synthetic Lubricants and Fluids for Diesel Engines
You ask a lot of your truck, and you expect it to answer. Whether you are a weekday warrior, on the work-site, towing your equipment, or a weekend warrior bringing your toys or family for a weekend of fun, you rely on your truck and need the best in power, protection and performance.

The term “diesel” still conjures a host of negative connotations to some: loud, smelly, smoky, dirty... Such unflattering descriptions may have been apt years ago, but those in the know realize today’s diesels no longer fit the stereotype. And judging by the numbers, increasingly more drivers are discovering the truth about diesels.

“Clean diesel” is a term automakers use to distinguish today’s cleaner, quieter diesels from their loud and smoky predecessors. Technically, a clean-diesel engine is no different from any other diesel engine. The differences lie in the fuel they use and their sophisticated exhaust-treatment devices.
Products for Diesel Applications
AMSOIL Synthetic Diesel Oils are designed to withstand the punishment doled out by diesel engines. They provide excellent protection during heavy use and even abuse. They reduce friction and wear better than conventional oils, helping hard-working diesel engines perform better and last longer.

They withstand high-temperature breakdown to help prevent harmful deposits from forming while remaining fluid in sub-zero temperatures for easier cold starts and faster circulation compared to conventional oils. The advanced lubricity also increases fuel economy.

The Ultimate in Power, Performance and Protection for Hard-working Diesel Engines
Pickup Trucks
Towing and Commercial Applications
The full line of AMSOIL Synthetic Diesel Oils withstands the punishment of both modern and older hardworking turbo diesels.

Hard-working turbocharged diesels can literally tear engine oil apart. Elevated heat and shearing forces can thin the oil until it fails to provide adequate protection, leaving components susceptible to wear and failure.

The sophisticated emissions-control devices on 2007-and-newer diesels make things worse. Fuel dilution from DPF regeneration or excessive idling further thins the oil, while excess soot from EGR and blow-by leads to harmful sludge formation and abrasive wear.

Lubricants as tough as the trucks they protect
AMSOIL Synthetic Transmission Fluids withstand the rigors of high-horsepower, high-torque diesels better than conventional fluids. When you're running hard, towing or climbing hills, your transmission generates heat. If your transmission fluid can't handle the heat, its ability to protect against wear is compromised.

Extreme heat generated when towing and hauling destroys inferior transmission fluids and shortens transmission life. Heat is especially harmful in today’s smaller transmissions that hold less fluid but are required to direct increased power and torque.

Inferior transmission fluids coupled with severe-service driving can lead to fluid leaks, poor shift quality and expensive transmission repairs. AMSOIL synthetic transmission fluids resist extreme heat to keep gears, bearings and seals protected in the toughest driving conditions.

AMSOIL Synthetic Transmission Fluids maintain viscosity for reduced wear; resist oxidation and sludge build-up for superior cooling and lubrication. So you can tow, haul, plow or just plain drive hard longer between fluid changes with complete confidence that your transmission is protected.
Towing Lubricants, Grease and Fluids
AMSOIL Synthetic Gear Lubes protect heavily loaded differentials better than conventional lubes. Extreme-pressure formulations guard against metal-to-metal contact for maximum wear control. Their synthetic chemistries reduce friction and drag for increased fuel efficiency while providing extended drain intervals for the convenience of longer-lasting fluids.

Too often differentials are out of sight, out of mind. However, towing and heavy hauling focus intense pressure on the ring-and-pinion gears, inviting wear. Intense heat causes gear lube to thin, reducing viscosity and further increasing heat in a cycle known as thermal runaway. Left unchecked, thermal runaway can shorten component life and lead to catastrophic failure.

AMSOIL Severe Gear® Synthetic Gear Lube delivers high film strength to protect against wear and outstanding heat resistance to guard against thermal runaway.
Construction and Landscaping Oils and Fluids
With AMSOIL Diesel Fuel Additives, you can be certain that the fuel in your tank is the best it can be. Diesel fuel quality varies. Bad fuel fouls injectors, accelerates injector pump wear, makes for tough running engines, impedes starting and causes engine stalling. You can't always be certain of the quality you're getting at the pump. The best defense is a good offense.

Fuel system performance is critical to getting the most out of your diesel, and modern high-pressure common-rail (HPCR) designs just add to the challenge. Fuel economy and performance are highly dependent on getting the right amount of fuel into the combustion chamber in the correct physical form at the correct time. With variable diesel fuel quality at the pump and today’s sophisticated fuel-delivery systems, it doesn’t take long for performance issues to surface.

Plus, today’s ultra-low-sulfur diesel (ULSD) doesn’t have the lubricating properties diesel fuel once had, inviting fuel pump and injector wear. Highly concentrated AMSOIL diesel fuel additives are designed to maximize fuel-system performance and life, helping prevent expensive repairs and injector replacements in all types of diesel engines, including HPCR.

AMSOIL Diesel Additives are specifically designed to treat specific performance issues and ensure that you have maximum diesel performance. Why wait until your diesel is in trouble before doing something? Be proactive with the AMSOIL diesel additives family.

The Best fluids and greases for towing

Top Filtration Products from Donaldson, WIX, and MANN-FILTER
AMSOIL Automatic and Manual Transmission Fluid
Synthetic Gear Lube
The Best Synthetic Grease
AMSOIL Superior Brake Fluid
AMSOIL Power Steering Fluid
Diesel Fuel Additives
Antifreeze and Engine Coolant
Oil Pumps, Funnels, Oil Filter Wrench
Free Engine Maintenance Tool
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Towing and Hauling

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