Castrol ALPHASYN EP 680 – Synthetic Industrial Gear Oil

Product Description

Castrol ALPHASYN EP 680 is a premium fully synthetic industrial gear oil formulated with high-quality PAO base stocks and advanced Extreme Pressure (EP) additives. It is designed for enclosed gear systems operating under heavy loads, shock loading, and severe operating conditions.

The product provides excellent load carrying capability, micro-pitting protection, and long service life compared with conventional mineral gear oils.

Key Features & Benefits

• Excellent Extreme Pressure performance for heavy-duty gear protection
• Superior thermal and oxidation stability for extended oil life
• Outstanding micro-pitting and wear protection
• High load-carrying capability for shock-loaded gears
• Good corrosion and rust protection for gears and bearings
• Rapid air release and low foaming performance
• High viscosity index for wide temperature range operation
• Compatible with seals, paints, and mineral oil lubricants

Typical Applications

• Enclosed industrial gearboxes
• Heavy-loaded and shock-loaded gear systems
• Mining, quarrying, marine, and paper industry equipment
• Bearings operating under high loads
• Industrial drives requiring high-viscosity synthetic gear oil

Specifications & Approvals

Meets or exceeds requirements of:

• DIN 51517 Part 3 – CLP
• AGMA 9005-D94
• U.S. Steel 224
• Flender
• David Brown Type E
• Hansen Transmissions

Typical Characteristics