Truck and Fleet Products

Synthetic Diesel Motor Oils
Series 3000 SAE 5W-30
   Heavy Duty Diesel Oil
SAE 5W-40 Premium Diesel Oil
SAE 15W-40 Diesel and Marine Oil
SAE 15W-40 Semi-Synthetic Oil
SAE 30 Diesel Oil

Wear control -- AMSOIL synthetic diesel motor oils have been proven to keep wear rates lower than conventional oils do (see demonstrations and tests below). Synthetic basestocks reduce friction more effectively than conventional basestocks do, which lowers wear rates and helps keep engine heat from climbing excessively. Outstanding quality antiwear additives protect surfaces from wear in conditions in which a full lubricating film does not develop.

Acid neutralization and soot control -- AMSOIL synthetic diesel motor oils are 12 Total Base Number (TBN) oils and have been proven to neutralize acids and control corrosion for longer periods than conventional oils do (see demonstrations and tests below). The top-quality detergents responsible for long-term acid neutralization also inhibit deposit formation on hot engine surfaces. AMSOIL synthetic diesel motor oils' highly effective dispersants control soot and other contaminants for long-lasting protection against wear and sludge formation.

Low temperature fluidity -- AMSOIL synthetic diesel motor oils remain fluid in low temperatures. Low temperature fluidity helps engines start in cold temperatures and ensures rapid cold-temperature post-startup protection.

Chemical and physical stability -- AMSOIL synthetic diesel motor oils offer superior thermal, oxidative and shear stability. Thermal stability allows them to work in high temperatures without undergoing molecular breakdown with consequent increases in oil consumption and formation of sludge precursors. Oxidative stability allows them to work in high temperatures without undergoing chemical changes leading to oil thickening, loss of lubricating ability, and sludge and acid formation. Shear stability keeps them from falling out of viscosity grade and losing their ability to protect against metal-to-metal contact and wear in engine operating temperatures as a result of shear forces.

Fuel economy -- AMSOIL synthetic diesel motor oils' low coefficient of friction improves fuel economy by reducing the loss of power to friction. Fuel economy increases of five percent are common with AMSOIL synthetic diesel motor oils.

Extended drain intervals -- Fleet demonstrations show AMSOIL synthetic diesel motor oils protect engines more effectively for extended drain intervals than conventional oils do for conventional drain intervals (see below). Many truckers use AMSOIL synthetic diesel motor oils indefinitely, using oil analysis as their guide to oil changes.

Series 3000 Synthetic 5W-30 Heavy Duty Diesel Oil
AMSOIL Series 3000 Synthetic 5W-30 Heavy Duty Diesel Oil, formulated for diesel and gasoline engine use, offers a combination of engine protection and fuel economy unmatched by other oils. Independent lab tests show Series 3000 out-protects other popular diesel oils -- even 15W-40 grade oils -- by a wide margin.

Click on Graph to Enlarge

Series 3000 improves fuel economy. Testing performed by an independent facility showed that class 8 trucks with AMSOIL Series 3000 in the engine and AMSOIL synthetic lubricants in the drivetrains obtained up to 8.2 percent more mpg than matched trucks lubricated with conventional products.

It's a proven long drain oil. An ongoing fleet demonstration shows Series 3000 used continuously for 80,000 miles offers better TBN and viscosity retention, soot control and wear prevention than does a popular conventional 15W-40 oil changed at 20,000 mile intervals.

Synthetic SAE 5W-40 Premium Diesel Motor Oil
AMSOIL Synthetic 5W-40 Premium Diesel Motor Oil is the premium choice for API CJ-4 emission quality diesel oil required by model year 2007 and newer diesel engines. It delivers extraordinary lubrication in diesel engines found in commercial, fleet and personal vehicles. Built with the latest additive and synthetic base oil technology, AMSOIL Synthetic 5W-40 Diesel Oil exceeds the higher performance demands of modern engines. It withstands the stress of heat, soot and acids to help prevent deposits, corrosion and wear. AMSOIL Synthetic 5W-40, with its broad viscosity range, is ideal for winter and summer use. It resists breakdown and can extend drain intervals when monitored by oil analysis.

Synthetic 15W-40 Heavy Duty Diesel and Marine Oil
AMSOIL Synthetic 15W-40 Heavy Duty Diesel and Marine Oil has been proven superior to conventional oils in fleet demonstrations and countless miles of over-the-road use. AMSOIL Synthetic 15W-40 Heavy Duty Diesel and Marine Oil increases fuel economy, reduces wear rates, provides extended drain service and saves truckers significant money.

Semi-Synthetic 15W-40 Gasoline & Diesel Motor Oil
AMSOIL Semi-Synthetic Gasoline and Diesel Motor Oil offers the advantages of a synthetic at a more affordable price. AMSOIL Semi-Synthetic Gasoline and Diesel Motor Oil provides outstanding high and low temperature protection, thermal and oxidative stability and retention of TBN, dispersancy and viscosity. It is an ideal extended drain lubricant.

Synthetic SAE 30 Diesel Motor Oil
AMSOIL Synthetic SAE 30 Diesel Motor Oil offers outstanding high and low temperature service and protection. Its low temperature fluidity is superior to that of conventional 15W-40 motor oils. Its shear stability, low volatility and high temperature film strength make it ideal for high-stress applications.

Oil Analyzers, Inc.
Oil analysis enables maintenance personnel to evaluate motor oil service life and engine condition and save significantly on downtime, equipment repair and oil-related costs.

Oil Analyzers, Inc. puts technologically advanced testing equipment in the hands of experienced diagnosticians.

Accurate, reliable Oil Analyzers, Inc. findings may be used to reduce equipment replacements and repairs, reduce the volume of lubricants purchased and destined for disposal and reduce equipment downtime.

Oil Analyzers, Inc. tuns out same-day reports by fax or phone when requested or when a time-sensitive problem has been detected. Reports are normally turned around in two days.

Oil Analyzers, Inc. kits include everything required for analysis: sample gathering materials, sample testing and return postage.

Oil Analyzers, Inc. offers a 27 percent quantity discount over the single kit price on orders of 100 or more kits.

Synthetic Long Life Gear Lubes
SAE 75W-90 & 80W-140

AMSOIL Synthetic Gear Lubes keep differentials and gear-lube equipped transmissions running clean, protected and at top-efficiency.

Load-bearing and extreme pressure protection -- AMSOIL synthetic gear lubes are formulated to protect gears operating in heavily loaded conditions, whether or not the gears operate with full film lubrication. Superior film strength and viscosity retention offer superior protection in full film regimes, while top-quality extreme pressure agents protect when a full lubricating film does not separate gear surfaces.

The thermal durability of AMSOIL synthetic gear lubes ensures extreme pressure protection after extended exposure to extreme temperatures. The extreme pressure agents in conventional gear lubes sometimes lose their effectiveness after extended exposure to high temperatures, leaving gears vulnerable to metal-to-metal contact and wear.

Friction-reduction -- AMSOIL synthetic gear lubes reduce friction effectively, which reduces power losses and increases fuel economy.

The superior ability of AMSOIL synthetic gear lubes to reduce friction also helps keep gear operating temperatures from rising out of the optimal range. Users report gear temperature reduction up to 50 deg. F with AMSOIL synthetic gear lubes.

High and low temperature performance -- AMSOIL synthetic gear lubes maintian their viscosity better with changes in temperature than conventional lubes do, which allows them to protect over a broader temperature range.

AMSOIL synthetic gear lubes also maintain better low temperature fluidity than conventional gear lubes do, so AMSOIL synthetic gear lubes go to work more quickly in cold conditions than conventional lubes do. Studies have shown AMSOIL synthetic gear lubes flow to operating gears in less than a minute, while conventional gear lubes require as much as five minutes to reach the gears they are meant to protect.

AMSOIL synthetic gear lubes protect in higher temperatures than conventional gear lubes do, due to the superior thermal and oxidative stability of AMSOIL synthetic gear lubes. Superior thermal and oxidative stability protects the lube from breaking down in high temperatures and protects gears from sludge, varnish, deposits and other products of lubricant breakdown.

Extended drains -- In commercial vehicles operated in normal conditions, AMSOIL synthetic gear lubes may be used up to five times longer than conventional petroleum gear lubes may be used.

More -- AMSOIL synthetic gear lubes provide limited slip capability, and may be used in limited slip differentials without special additives.

AMSOIL Synthetic Powershift Fluids

The complexity of contemporary powershift transmissions, wet brakes and final drives and the advanced materials used in them require fluids with advanced friction performance.

Conventional powershift fluids -- often heavy-duty petroleum motor oils -- sometimes have unstable friction characteristics, which may lead to excessive brake noise, clutch slippage (especially on steep grades under heavy load) and frequent clutch adjustment.

AMSOIL Synthetic 20W-50 motor oils, however, deliver excellent performance on these applications. But for applications requiring a straight weight lubricant, AMSOIL Synthetic SAE 10, 30, and 50 Powershift Transmission Fluid would be the recommended choice.

AMSOIL Synthetic Powershift Fluids are formulated specifically for use in powershift equipment and final drives. Their stable friction characteristics help equipment brake smoothly and quietly and maintain clutch hold and adjustment.

In addition, the special powershift formulation helps keep advanced materials working right -- the binders in paper materials stay strong and elastomers pliable -- with AMSOIL Synthetic Powershift Transmission Fluids.

Synthetic Greases
AMSOIL synthetic extreme pressure lithium complex greases offer outstanding protection and extended service lives.

Load-bearing and extreme pressure protection -- AMSOIL synthetic extreme pressure lithium complex greases offer outstanding protection in high load and extreme pressure operations, due to the great film strength of synthetic basestocks, the mechanical stability of lithium complex thickeners and the protective shield provided by extreme pressure agents.

Friction-reduction -- AMSOIL synthetic extreme pressure lithium complex greases' low coefficient of friction helps keep wear rates low and fuel efficiency high by minimizing friction.

High and low temperature performance -- Outstanding thermal and oxidative stability allow AMSOIL synthetic greases to protect in higher temperatures than conventional greases can without breaking down or forming deposits. Outstanding cold temperature pumpability allows them to protect in lower temperatures than conventional greases do.

More -- Excellent washout resistance and corrosion inhibition offer outstanding protection in wet applications or for stored equipment.

Series 2000 Synthetic Racing Grease
AMSOIL Series 2000 Synthetic Racing Grease is formulated for high speed/high temperature and low-speed/high load applications. It provides the load-bearing capacity of a heavy-duty grease and the high-temperature protection of a multi-purpose grease.

Synthetic Heavy Duty Grease
AMSOIL Synthetic Heavy Duty Grease is a moly-fortified grease formulated for low-speed high-load applications. It provides dependable performance in extreme pressure conditions.

Synthetic Multi-Purpose Grease
AMSOIL Synthetic Multi-Purpose Grease is formulated for high speed/high temperature service. Its outstanding thermal and oxidative stability inhibits deposit formation and grease breakdown in high temperature applications. Its superior friction reducing ability helps keep high speed components operating in their optimal temperature range and helps keep them running clean.

Fifth Wheel and Open Gear Compound
AMSOIL Synthetic Fifth Wheel and Open Gear Compound provides outstanding truck tractor fifth whell lubrication and protection.

AMSOIL Synthetic Fifth Wheel and Open Gear Compound adheres to metal surfaces that are dirty or otherwise poorly prepared for lubrication, making it ideal for hard-to-service equipment operating in hostile environments.

AMSOIL Synthetic Fifth Wheel and Open Gear Compound resists water washout, protecting fifth wheels that are exposed to water. Top-quality anti-rust and anti-corrosion agents protect surfaces from the rust and corrosion water exposure may cause.

AMSOIL Synthetic Fifth Wheel and Open Gear Compound offers superior protection in high and low temperatures. It does not flake in low temperatures or soften in high temperatures.

AMSOIL Synthetic Fifth Wheel and Open Gear Compound sprays on. It's quic, neat and economical to use.

Diesel Fuel Additives
AMSOIL Diesel Fuel Concentrate
AMSOIL Diesel Concentrate (ADF) provides maximum diesel operating efficiency. It compensates for the variances in quality of different fuels (including biodiesel) and the deficiencies of today’s Ultra Low Sulfur Diesel fuel (ULSD) for better engine operation. New engine technology, tighter tolerances and emission regulations require high-quality diesel fuel for long-term engine operability. AMSOIL Diesel Concentrate meets the low sulfur mandate. It improves diesel fuel quality to exceed today’s stringent performance requirements. AMSOIL Diesel Concentrate extends equipment life, lowers operating costs and improves diesel performance.

AMSOIL Cetane Boost
AMSOIL Cetane Boost increases cetane by three to seven numbers. It contains fuel cetane enhancers, which increase startability, combustion efficiency and power, and decrease engine knock, smoke and emissions.

AMSOIL Diesel Fuel Additive Concentrate and Cetane Boost are compatible and may be mixed in the fuel tank. Both are alcohol-free for seal and component compatibility.

Dual Gard By-Pass Oil Filtration System
The AMSOIL Dual Gard By-Pass Oil Filtration System treats oil to ultra-fine filtration which increases engine and oil life and enhances engine performance.

The Ea By-Pass Oil Filter (EaBP) provides the best possible filtration protection against wear and oil degradation. Working in conjunction with the engine’s full-flow oil filter, the AMSOIL Ea By-Pass Filter operates by filtering oil on a “partial-flow” basis. It draws approximately 10 percent of the oil pump’s capacity at any one time and traps the extremely small, wear-causing contaminants that full-flow filters can’t remove. The AMSOIL Ea Bypass Filter typically filters all the oil in the system several times an hour, so the engine continuously receives analytically clean oil.

Demonstrations and Tests
Extended Drain Demonstration:
Over-the-Road Fleet
Using AMSOIL Synthetic 15W-40 Heavy Duty Diesel and Marine Motor Oil, AMSOIL By-Pass Oil Filters and used oil analysis, an over-the-road flatbed fleet extended vehicle drain intervals to 79,000+ miles and realized a 29 percent reduction in the costs of oil-related materials and labor.

Used oil analysis confirmed the high quality protection afforded by AMSOIL. Wear metal, soot and TAN values remained low throughout the demonstration, while TBN remained high and viscosity midrange.

Extended Drain Demonstration:
Grocery Warehouse Fleet
Using AMSOIL Synthetic 15W-40 Heavy Duty Diesel and Marine Oil, AMSOIL By-Pass Oil Filters and used oil analysis, a grocery warehouse fleet extended its oil drain intervals to 74,000+ miles and realized a 22 percent decrease in labor and oil-related expenses. (For the ful text on this Field Test and more information, click here.)

Used oil analysis confirmed the superior protection afforded by AMSOIL. Wear metal, soot and TAN values remained low throughout the demonstration, while TBN remained high and viscosity midrange. Note the significant viscosity loss suffered by the conventional control oil. Viscosity loss often leads to excessive wear.

409,000 Miles Without and Oil Change
After 409,000 miles without an oil change, the AMSOIL-protected Mack engine in this 1990 truck was as wear-free as an engine in comparable service treated to TWENTY TIMES the oil changes. (For the full text of this Field Test and more pictures, click here.)

Colonial Heights, Virginia -- "I didn't see any surprises in there at all," said owner/operator Haywood Gray of his 1990 Mack E7-400 engine. Using AMSOIL Synthetic 15W-40 Heavy Duty Diesel and Marine Oil and the AMSOIL By-Pass Oil Filter Gray ran the engine 409,000 miles without once changing the oil.

When the E7-400 engine was torn down by the local Mack dealership and its parts examined by an independent certified engine rater, it showed light to moderate wear throughout.

In fact, according to the engine rater, the parts could have been put right back in the engine. "I see no reason why the engine couldn't run on," he said.

Oil analysis confirmed the rater's findings: the sample of used AMSOIL Synthetic 15W-40 Heavy Duty Diesel and Marine Oil contained 1/6 the lead and 1/3 the iron allowed by Mack condemnation limits . . . after 409,000 miles without an oil change.

That's protection -- that's AMSOIL!

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