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Red Line MT-90 75W-90 GL-4 Gear Oil vs AutoMatic Smooth Operator ATF vs Royal Purple Synchromax

Name: Red Line MT-90 75W-90 GL-4 Gear Oil
Brand: Red Line
Price: 50 USD
Availability: InStock
Rating: 9.1

Table of content

Technical Specifications Comparison
Usage Comparison
Facts Comparison
Pricing Comparison

Compatibility Comparison
General Information Comparison
Manufacturing Comparison
Performance Comparison
Ratings Comparison

Technical Specifications Comparison

Fluid Type 💧

The specific category of transmission fluid designed for different transmission systems.

Red Line MT-90 75W-90 GL-4 Gear Oil

MTF

Red Line MT-90 75W-90 GL-4 Gear Oil is a MTF type transmission fluid. MTF is specifically designed for use in manual transmissions Click to see all.

AutoMatic Smooth Operator ATF

ATF

AutoMatic Smooth Operator ATF is a ATF type transmission fluid. ATF is designed for use in automatic transmissions Click to see all.

Royal Purple Synchromax

MTF

Royal Purple Synchromax is a MTF type transmission fluid. MTF is specifically designed for use in manual transmissions Click to see all.
Viscosity Grade 🌡

The SAE viscosity grade of the transmission fluid, indicating its flow characteristics.

Red Line MT-90 75W-90 GL-4 Gear Oil

SAE 75W-90

The viscosity grade of Red Line MT-90 75W-90 GL-4 Gear Oil is SAE 75W-90. Versatile gear oil for manual transmissions and differentials, offering wide-range temperature performance. Click to see all.

AutoMatic Smooth Operator ATF

SAE 5W-40

The viscosity grade of AutoMatic Smooth Operator ATF is SAE 5W-40. Wide-range multi-grade fluid for extreme temperature variations, balancing cold-start and high-load performance. Click to see all.

Royal Purple Synchromax

SAE 75W-90

The viscosity grade of Royal Purple Synchromax is SAE 75W-90. Versatile gear oil for manual transmissions and differentials, offering wide-range temperature performance. Click to see all.
Fluid Specification 📖

Technical standard or approval that the transmission fluid meets, ensuring compatibility with specific vehicle models and transmission systems.

Red Line MT-90 75W-90 GL-4 Gear Oil

API GL-4

Red Line MT-90 75W-90 GL-4 Gear Oil meets the API GL-4 fluid specification. Fluids meeting API GL-4 standard for manual transmissions and transaxles. Click to see all.

AutoMatic Smooth Operator ATF

Dexron-VI

AutoMatic Smooth Operator ATF meets the Dexron-VI fluid specification. "Dexron-VI is a modern automatic transmission fluid specification, offering superior performance and protection." Click to see all.

Mercon LV

AutoMatic Smooth Operator ATF meets the Mercon LV fluid specification. Low-viscosity transmission fluid for Ford vehicles requiring Mercon LV specification Click to see all.

SP-IV

AutoMatic Smooth Operator ATF meets the SP-IV fluid specification. SP-IV is a transmission fluid specification for certain Hyundai and Kia vehicles Click to see all.

Mercon V

AutoMatic Smooth Operator ATF meets the Mercon V fluid specification. Ford-approved transmission fluid meeting Mercon V specifications for various Ford vehicles Click to see all.

Royal Purple Synchromax

API GL-4

Royal Purple Synchromax meets the API GL-4 fluid specification. Fluids meeting API GL-4 standard for manual transmissions and transaxles. Click to see all.
Performance Level 🏆

Indicates the transmission fluid's level of performance and suitability for different driving conditions.

For all*

High Performance

Transmission fluids designed for high-performance vehicles and demanding conditions.

AutoMatic Smooth Operator ATF

OEM Approved

The performance level of AutoMatic Smooth Operator ATF is OEM Approved. Transmission fluids that meet original equipment manufacturer specifications and approvals. Click to see all.
Temperature Range 🌡

The range of temperatures in which the transmission fluid maintains its effectiveness.

Red Line MT-90 75W-90 GL-4 Gear Oil

High Temperature

Red Line MT-90 75W-90 GL-4 Gear Oil is effective in the High Temperature temperature range. Transmission fluids that maintain stability and performance in high-heat environments, protecting against thermal breakdown. Click to see all.

AutoMatic Smooth Operator ATF

Extended Temperature

AutoMatic Smooth Operator ATF is effective in the Extended Temperature temperature range. Transmission fluids that perform well in a wide range of temperatures, from very cold to very hot conditions. Click to see all.

Royal Purple Synchromax

Extended Temperature

Royal Purple Synchromax is effective in the Extended Temperature temperature range. Transmission fluids that perform well in a wide range of temperatures, from very cold to very hot conditions. Click to see all.

Usage Comparison

For whom 👤

Target users or vehicles for which the transmission fluid is designed

Red Line MT-90 75W-90 GL-4 Gear Oil

Performance Enthusiasts

Red Line MT-90 75W-90 GL-4 Gear Oil is designed for Performance Enthusiasts. High-grade fluids for enhanced transmission performance and protection Click to see all.

AutoMatic Smooth Operator ATF

SUV Owners

AutoMatic Smooth Operator ATF is designed for SUV Owners. Robust fluids for versatile performance in sport utility vehicles Click to see all.

General Consumers

AutoMatic Smooth Operator ATF is designed for General Consumers. Versatile fluids suitable for a wide range of vehicles and driving conditions for everyday consumers Click to see all.

Royal Purple Synchromax

Car Enthusiasts

Royal Purple Synchromax is designed for Car Enthusiasts. High-performance options for enhanced driving experience and vehicle tuning. Click to see all.
Purpose 🔧

Primary purposes or applications of the transmission fluid

Red Line MT-90 75W-90 GL-4 Gear Oil

Smooth Shifting

Red Line MT-90 75W-90 GL-4 Gear Oil is primarily used for Smooth Shifting. Optimizes gear transitions for a more refined driving experience. Click to see all.

AutoMatic Smooth Operator ATF

Maintain

AutoMatic Smooth Operator ATF is primarily used for Maintain. Keeps transmission in optimal condition Click to see all.

Royal Purple Synchromax

Smooth Shifting

Royal Purple Synchromax is primarily used for Smooth Shifting. Optimizes gear transitions for a more refined driving experience. Click to see all.

Facts Comparison

Interesting Fact 💡

An intriguing or lesser-known fact about the transmission fluid

Red Line MT-90 75W-90 GL-4 Gear Oil

Popular among Miata enthusiasts

AutoMatic Smooth Operator ATF

Contains special friction modifiers for smoother shifts

Royal Purple Synchromax

Contains synthetic solvents for better additive solubility
Sarcastic Fact 😉

A humorous or ironic observation about the transmission fluid

Red Line MT-90 75W-90 GL-4 Gear Oil

Because your gearbox deserves a spa day

AutoMatic Smooth Operator ATF

Like butter for your transmission (but please don't actually use butter)

Royal Purple Synchromax

Purple reign for your transmission

Pricing Comparison

Price 💲

Current market price of the transmission fluid

Red Line MT-90 75W-90 GL-4 Gear Oil

50 USD

The price of Red Line MT-90 75W-90 GL-4 Gear Oil is 50.

AutoMatic Smooth Operator ATF

44.99 USD

The price of AutoMatic Smooth Operator ATF is 44.99.

Royal Purple Synchromax

40 USD

The price of Royal Purple Synchromax is 40.

Compatibility Comparison

Vehicle Type 🚗

The types of vehicles the transmission fluid is compatible with.

For all*

Passenger Car

Versatile fluids for passenger car transmissions, optimizing performance and longevity.

Red Line MT-90 75W-90 GL-4 Gear Oil

Motorcycle

Red Line MT-90 75W-90 GL-4 Gear Oil is designed for use in Motorcycle vehicles. Specialized fluids for motorcycle transmissions, ensuring smooth shifts and clutch performance. Click to see all.

AutoMatic Smooth Operator ATF

SUV

AutoMatic Smooth Operator ATF is designed for use in SUV vehicles. Robust fluids for SUV transmissions, handling diverse driving conditions. Click to see all.

Light Truck

AutoMatic Smooth Operator ATF is designed for use in Light Truck vehicles. Robust fluids for light truck transmissions, balancing performance and durability. Click to see all.

Royal Purple Synchromax

Light Truck

Royal Purple Synchromax is designed for use in Light Truck vehicles. Robust fluids for light truck transmissions, balancing performance and durability. Click to see all.
Transmission Type 🏗

The types of transmissions the fluid is formulated to work with.

Red Line MT-90 75W-90 GL-4 Gear Oil

Manual

Red Line MT-90 75W-90 GL-4 Gear Oil is formulated for Manual transmissions. Transmission fluids designed for manual gearboxes, providing smooth shifting and gear protection in stick-shift vehicles. Click to see all.

AutoMatic Smooth Operator ATF

Automatic

AutoMatic Smooth Operator ATF is formulated for Automatic transmissions. Transmission fluids specifically designed for automatic transmissions, ensuring smooth shifting and optimal performance. Click to see all.

Royal Purple Synchromax

Manual

Royal Purple Synchromax is formulated for Manual transmissions. Transmission fluids designed for manual gearboxes, providing smooth shifting and gear protection in stick-shift vehicles. Click to see all.
Application 🚗

Specific use cases or driving conditions for which the transmission fluid is designed.

For all*

Daily Driving

Fluids designed for everyday use in regular vehicles, ensuring smooth gear shifts and optimal performance.

Red Line MT-90 75W-90 GL-4 Gear Oil

Racing

Red Line MT-90 75W-90 GL-4 Gear Oil is designed for Racing in terms of application. Specialized fluids engineered for maximum performance and protection in competitive motorsports. Click to see all.

AutoMatic Smooth Operator ATF

Towing

AutoMatic Smooth Operator ATF is designed for Towing in terms of application. Heavy-duty fluids that maintain performance under the stress of pulling heavy loads. Click to see all.

Royal Purple Synchromax

Performance Driving

Royal Purple Synchromax is designed for Performance Driving in terms of application. Advanced fluids that maintain stability and protection during high-speed and aggressive driving. Click to see all.

General Information Comparison

Brand 🏬

Brand of the transmission fluid, distinguishing different manufacturers and their product lines.

Red Line MT-90 75W-90 GL-4 Gear Oil

Red Line

The brand of Red Line MT-90 75W-90 GL-4 Gear Oil is Red Line.

AutoMatic Smooth Operator ATF

AutoMatic

The brand of AutoMatic Smooth Operator ATF is AutoMatic. Reliable fluids designed for automatic transmissions across various vehicle types. Click to see all.

Royal Purple Synchromax

Royal Purple

The brand of Royal Purple Synchromax is Royal Purple. Royal Purple produces high-performance synthetic transmission fluids Click to see all.
Known for ⭐

Unique selling point or standout feature of the transmission fluid

Red Line MT-90 75W-90 GL-4 Gear Oil

Gear Protection

Red Line MT-90 75W-90 GL-4 Gear Oil is known for Gear Protection.

AutoMatic Smooth Operator ATF

Smooth Operation

AutoMatic Smooth Operator ATF is known for Smooth Operation.

Royal Purple Synchromax

Improved Fuel Economy

Royal Purple Synchromax is known for Improved Fuel Economy.

Manufacturing Comparison

Made In 🌍

Country of origin or manufacturing location for the transmission fluid

Red Line MT-90 75W-90 GL-4 Gear Oil

United States

Red Line MT-90 75W-90 GL-4 Gear Oil is made in United States. Transmission fluids manufactured in the United States, known for quality and innovation. Click to see all.

AutoMatic Smooth Operator ATF

South Korea

AutoMatic Smooth Operator ATF is made in South Korea. Transmission fluids manufactured in South Korea, known for quality and innovation. Click to see all.

Royal Purple Synchromax

United States

Royal Purple Synchromax is made in United States. Transmission fluids manufactured in the United States, known for quality and innovation. Click to see all.

Performance Comparison

Pros 👍

Advantages and positive aspects of the transmission fluid

Red Line MT-90 75W-90 GL-4 Gear Oil

Excellent Synchronizer Compatibility

Fluids that work well with transmission synchronizers, enhancing smooth gear changes Click to see all.

Reduces Gear Noise

AutoMatic Smooth Operator ATF

Excellent Low-Temperature Fluidity

Superior Oxidation Resistance

Smooth Shifting

Transmission fluids that enhance gear shifting smoothness, improving driving comfort and transmission efficiency. Click to see all.

Wear Protection

Wide Compatibility

Royal Purple Synchromax

Reduces Shift Effort

Extends Transmission Life
Cons 👎

Disadvantages or limitations of the transmission fluid

Red Line MT-90 75W-90 GL-4 Gear Oil

Higher Price Point

AutoMatic Smooth Operator ATF

Slightly Higher Price Than Conventional ATF

May Not Be Necessary For All Vehicles

Not For High-Performance Applications

Average Cold-Start Performance

Royal Purple Synchromax

May Not Be Necessary For All Vehicles