GL-4 75W-90 Gear Oil Supplier | Manual Transmission Fluid OEM

Home

Products

Automatic Transmission Fluid (ATF)

Manual Transmission Fluid GL-4 75W-80 / 75W-90 | High Performance Gear Oil Supplier

Product Description

Manual Transmission Fluid GL-4 75W-80 / GL-4 75W-90 is a high-performance gear oil formulated with advanced additive technology to ensure smooth shifting performance and long-term transmission protection. It provides excellent synchronization performance throughout the entire oil drain interval, even under heavy-duty and high-temperature operating conditions. This formulation delivers outstanding wear protection, oxidation stability, and corrosion resistance, while maintaining full compatibility with non-ferrous metals used in modern transmission systems. By reducing gear wear, micro-pitting, and fretting damage, it significantly extends transmission service life and improves overall drivetrain reliability.

• Packaging: 18L, 200L

• Customized packaging available upon request

Manual Transmission Fluid GL-4 75W-80 / 75W-90 | High Performance Gear Oil Supplier

Specifications and Approvals

• API GL-4

Performance Benefits

• Smooth Gear Shifting Performance

Ensures consistent synchronization and smooth shifting under all driving conditions.
• Excellent Wear Protection

Protects gears from scuffing, micro-pitting, and heavy load wear in demanding applications.
• High Thermal & Oxidation Stability

Maintains stable viscosity and performance under high temperature operation.
• Extended Gear Life

Reduces long-term wear and improves durability of transmission components.
• Corrosion & Rust Protection

Protects gears and metal components, including yellow metals.

Applications

GL-4 75W-80 / 75W-90 Manual Transmission Fluid is suitable for:

Manual transmission systems in passenger vehicles
Light and heavy-duty commercial trucks
Buses and logistics fleets
Construction and agricultural machinery
Industrial gear systems requiring GL-4 specification fluid

Recommended for transmissions requiring API GL-4 performance level gear oil.

FAQ

What is GL-4 transmission fluid used for?

GL-4 transmission fluid is used in manual gearboxes and synchronized transmission systems requiring moderate extreme pressure protection.

What is the difference between 75W-80 and 75W-90?

75W-80 offers lower viscosity for improved fuel efficiency, while 75W-90 provides stronger protection under higher loads and temperatures.

Can GL-4 be used in all manual transmissions?

No. Always check manufacturer specifications, as some transmissions require GL-5 or specific OEM fluids.

Does this oil support heavy-duty trucks?

Yes, it is suitable for commercial vehicles, trucks, and industrial equipment requiring GL-4 specification.

Looking for a Reliable Manual Transmission Fluid Supplier?

We provide high-quality GL-4 75W-80 / 75W-90 manual transmission fluids for distributors, wholesalers, and industrial partners worldwide.

✔ OEM & Private Label solutions available
✔ Stable supply for bulk orders
✔ Strict quality control and international standards compliance
✔ Technical support for transmission applications

Contact our technical team to get a customized quotation and product recommendation for your market.

Get a Quote

Get detailed product specifications and have our technical experts confirm whether this formulation is suitable for your equipment.

ACCESS PRODUCT DATA

Typical Test Data

Manual Transmission Fluid GL-4 75W-80

Test Item	Result	Method
Density (20℃), g/cm³	0.865	ASTM D4052
Kinematic Viscosity (40℃), mm²/s	53.1	ASTM D445
Kinematic Viscosity (100℃), mm²/s	9.2	ASTM D445
Flash Point (COC), ℃	200	ASTM D92
Pour Point, ℃	-45	ASTM D97
Viscosity Index	156	ASTM D2270
Viscosity, Crank,(-40℃) mPa	68000	ASTM D2983

Manual Transmission Fluid GL-4 75W-90

Test Item	Result	Method
Density (20℃), g/cm³	0.87	ASTM D4052
Kinematic Viscosity (40℃), mm²/s	94.1	ASTM D445
Kinematic Viscosity (100℃), mm²/s	14.5	ASTM D445
Flash Point (COC), ℃	200	ASTM D92
Pour Point, ℃	-45	ASTM D97
Viscosity Index	160	ASTM D2270
Viscosity, Crank,(-40℃) mPa	98000	ASTM D2983

Health, Safety & Environment

The product is unlikely to present any significant health or safety hazard when properly used in the recommended application, and good standards of personal hygiene are maintained.
Avoid contact with skin. Use impervious gloves with used oil. After skin contact, wash immediately with soap and water.
Take used oil to an authorised collection point. Do not discharge into drains, soil or water.

Storage

All packages should be stored under cover. Where outside storage is unavoidable, drums should be laid horizontally to avoid the possible ingress of water and damage to drum markings. Products should not be stored above 60°C, exposed to direct sunlight or freezing conditions.

The indicated properties are typical of those obtained with normal production tolerance and do not constitute a specification. All the information contained in this document is considered accurate as of date of printing, and no warranty or representation, expressed or implied is made as to the accuracy of the data and information in this publication. The information contained herein is subject to change without notice.

Access Product Data and Verify Equipment Compatibility

For data security, YUANGEN does not disclose detailed product information on this website. Please briefly describe your equipment and application, and our technical team will review your request, provide accurate product specifications, and offer guidance on equipment compatibility.

First Name
Last Name
Company Name
Country
Email
Phone / WhatsApp
Description

YUANGEN undertakes to protect your personal information. All information provided
will be processed exclusively for business communication purposes.

SUBMIT