Motul Motylgear 75W‑90 – Technosynthese® Gear Oil

A premium semi‑synthetic (Technosynthese®) gearbox and differential lubricant designed to deliver effortless shifting and robust protection.

Ideal For:

• Mechanical transmissions (synchromesh or not)

• Transfer gearboxes and hypoid differentials (without limited-slip)

• Vehicles regularly exposed to heavy loads, low-speed torque, or moderate-speed performance demands 

Main Benefits:

• Smooth Shifting: Flows easily at low temperatures for reduced shift effort, delivering a quieter, refined shifting feel

• Durable Film Strength: Maintains SAE 90 viscosity even under high shear and extreme pressure thanks to Technosynthese® formulation 

• Engineered for Reliability: Excellent anti-wear performance reduces friction and extends gear life; anti-foam and anti-corrosion additives protect components and seals

Technical Highlights:

• Meets API GL‑4 / GL‑5 and MIL‑L‑2105D standards

• Viscosity (SAE J306): 75W‑90

• Density @ 20 °C: ~0.855 g/cm³ 

• Viscosity @ 40 °C: ≈114 mm²/s; @ 100 °C: ≈18 mm²/s

• Viscosity Index: ~176 

• Pour Point: ~–50 °C; Flash Point: ~199 °C

Why Choose MOTYLGEAR?

• Delivers premium smoothness in gear engagement, even when cold or under load

• Offers longer drain intervals and high-temperature stability for reliability in real-world conditions

• Fully compatible with gearbox components and seals, including yellow metals (copper/brass)