22 Best American transmission fluids

ATF

SAE 5W-30

SmoothDrive

Maintain

USA

Extended Drain Intervals, Excellent Oxidation Stability, Extended Service Life, Improved Fuel Economy and Superior Wear Protection

May Be Overkill For Older Vehicles, Higher Initial Cost and May Not Be Necessary For All Drivers

ATF

SAE 5W-30

Feexol

Upgrade

USA

Extended Drain Intervals & Improved Fuel Efficiency

May Be Pricier Than Conventional Options & Limited Availability In Some Regions

Hydraulic Fluid

SAE 10W-30

Royal Purple

Wear Protection

USA

Excellent Anti-Wear Properties & Multi-Functional

May Be Too Thick For Some Applications & Higher Price Point

ATF

SAE 5W-30

Castrol

Smooth Shifting

USA

Long-Lasting Performance & Excellent Oxidation Stability

Higher Price & May Not Be Suitable For Older Vehicles

MTF

SAE 80W-90

GearMaster

Upgrade

USA

Excellent Gear Protection, Improved Cold-Weather Shifting, Improved Shift Feel, Synchromesh Protection and Noise Reduction

May Be Too Thick For Some Modern Transmissions, Higher Cost Than Conventional MTF, Limited To Manual Transmissions and Higher Cost

ATF

SAE 10W-30

TruckTech

Heavy-Duty Applications

USA

Superior Thermal Stability, Extended Drain Intervals, Enhanced Wear Protection and Excellent Thermal Stability

Not Suitable For Passenger Cars, Higher Initial Cost, Higher Cost and May Not Be Necessary For Light-Duty Vehicles

Hydraulic Fluid

SAE 10W-30

HydraFlow

Maintain

USA

Multi-Purpose Formulation, Excellent Shear Stability, Multi-Purpose, Wear Protection and Wide Temperature Range

May Not Be Optimized For Specific Applications, Slightly Higher Cost Than Single-Purpose Fluids, May Not Be Optimal For Specific Applications and Higher Price

ATF

SAE 5W-30

Mopar

OEM Quality

USA

Specifically Designed For Chrysler 8 And 9-Speed Transmissions & Ensures Optimal Performance

Limited To FCA Vehicles & Higher Cost Than Generic ATFs

MTF

SAE 80W-90

AMSOIL

High-Temp Stability

USA

Excellent Shear Stability & Reduces Gear Wear

Higher Cost & May Be Overkill For Normal Driving

ATF

SAE 5W-30

Red Line

Thermal Stability

USA

Superior Thermal Stability & Improved Shift Feel

Premium Pricing & May Be Overkill For Normal Driving

Hydraulic Fluid

SAE 10W-30

TractorTech

Maintain

USA

Multi-Functional Formulation, Excellent Water Tolerance, Multi-Functional, Excellent Wear Protection and Wide Temperature Range

May Not Be Optimized For Newer Equipment, Slightly Higher Cost Than Single-Purpose Fluids, May Not Be Optimal For Newer High-Tech Tractors and Bulky Packaging

ATF

SAE 5W-30

TurboTech

Upgrading Transmission

USA

Excellent Wear Protection, Improved Fuel Economy, Faster Shift Response, Superior Wear Protection and Improved Fuel Efficiency

May Not Be Compatible With Older Vehicles, Higher Price Point, Premium Price and May Be Overkill For Some Vehicles

ATF

SAE 10W-30

NautiLube

Marine Applications

USA

Superior Moisture Resistance, Protects Against Saltwater Corrosion, Superior Rust And Corrosion Protection, Good Low-Temperature Properties, Excellent Corrosion Protection and Water-Resistant

Not Suitable For Automotive Use, Higher Cost, Limited To Marine Use and Limited To Marine Applications

ATF

SAE 5W-40

TowMaster

Heavy Towing

USA

Excellent High-Temperature Protection, Reduces Transmission Wear Under Load, Enhanced Load-Carrying Capacity and Excellent Thermal Stability

May Be Overkill For Non-Towing Applications, Higher Viscosity Can Affect Fuel Economy, Premium Price and May Be Overkill For Non-Towing Use

ATF

SAE 10W-40

Pentosin

Versatility

USA

Compatible With Multiple Vehicle Makes & Good For Fleet Maintenance

May Not Be Optimal For Specific High-Performance Applications & Slightly Lower Viscosity Index

CVT Fluid

SAE 5W-40

ACDelco

Smooth Operation

USA

Excellent Metal-To-Metal Friction Reduction & OEM Approved

Specific To Certain CVT Models & May Not Be Suitable For Non-CVT Transmissions

ATF

SAE 10W-30

Pennzoil

Versatility

USA

Broad Vehicle Compatibility & Enhanced Wear Protection

May Not Be Optimal For Some European Vehicles & Slightly Higher Price

ATF

SAE 10W-30

RetroLube

Maintaining Classic Transmissions

USA

Compatible With Older Transmission Types, Protects Seals In Vintage Transmissions, Compatible With Older Transmission Designs, Helps Maintain Original Performance, Compatible With Classic Transmissions and Contains Seal Conditioners

Not Suitable For Modern Vehicles, Limited Availability and Not Suitable For Modern Transmissions

ATF

SAE 5W-30

Mag 1

Versatility

USA

Compatible With Multiple European Vehicle Brands & Enhanced Shift Quality

May Not Be Optimal For Non-European Vehicles & Premium Pricing

ATF

SAE 10W-30

Lucas Oil

Transmission Life Extension

USA

Helps Stop Leaks & Extends Transmission Life

Not A Full Fluid Replacement & May Alter Original Fluid Properties

ATF

SAE 10W-30

Lubegard

Transmission Protection

USA

Improves Performance Of Existing ATF & Reduces Wear And Extends Transmission Life

Not A Standalone ATF & May Void Warranty If Used Improperly

Hydraulic Fluid

SAE 10W-40

AgriTech

Multi-Purpose Use

USA

Excellent Anti-Wear Properties, Multi-Functional, Good Low-Temperature Fluidity, Biodegradable Formula and Multi-Purpose Use

May Not Be Ideal For Modern Low-Emission Engines, Thick Consistency In Cold Weather, May Not Be Suitable For Non-Agricultural Equipment, May Have Shorter Change Intervals and Higher Initial Cost