Spectro 75W-140 GL-1 Heavy Duty Platinum Gear Oil is a premium full synthetic transmission lubricant specifically engineered for Harley-Davidson Big Twin motorcycles. Formulated using advanced PAO (Polyalphaolefin) synthetic base oils and state-of-the-art additive technology, this high-performance gear oil delivers exceptional protection, smoother shifting, and outstanding durability under the extreme loads and temperatures experienced by V-Twin transmissions.

Designed to minimise friction, drag, and wear, Heavy Duty Platinum Gear Oil helps maximise transmission efficiency while extending the life of gears, bearings, and other critical drivetrain components. Its advanced formulation also helps reduce transmission noise, making it an excellent choice for riders seeking smoother and quieter operation.

With exceptional temperature stability and outstanding anti-wear protection, this premium synthetic lubricant provides reliable performance for touring, cruising, and high-performance V-Twin applications.

~ Premium full synthetic transmission gear oil
~ Specifically formulated for Harley-Davidson Big Twin transmissions
~ SAE 75W-140 viscosity grade
~ API GL-1 rated
~ Advanced PAO synthetic base oil formulation
~ Exceptional anti-wear protection for gears and bearings
~ Helps extend transmission component life
~ Provides smoother and easier shifting
~ Reduces drag and friction losses across all operating temperatures
~ Helps quiet noisy transmissions
~ Outstanding temperature stability under heavy loads
~ Maintains protection in extreme heat conditions
~ Dyed green for easy identification
~ Quality Spectro lubricants supplied by Motozone

Features
~ Full synthetic PAO-based lubricant technology
~ Advanced anti-wear additive package
~ Excellent thermal and oxidation stability
~ Low-drag formulation for improved transmission efficiency
~ Smooth shifting performance in hot and cold conditions
~ Noise-reducing transmission protection

Specifications
~ Product Type: Full Synthetic Transmission Gear Oil
~ Viscosity Grade: SAE 75W-140
~ API Rating: GL-1
~ Base Oil Type: PAO Full Synthetic
~ Colour: Green
~ Size: 946ml

Important Information
~ Suitable for Harley-Davidson Big Twin transmissions and applications requiring API GL-1 lubricant.
~ Always follow the motorcycle manufacturer’s recommended lubricant specifications and service intervals.
~ Designed to provide maximum protection under extreme operating conditions.

Whether you’re touring long distances, riding a high-torque V-Twin, or looking for smoother shifting and quieter transmission operation, Spectro 75W-140 GL-1 Heavy Duty Platinum Gear Oil delivers premium protection and performance for your drivetrain.

At Motozone, we supply quality Spectro oils, lubricants, transmission fluids, and motorcycle maintenance products trusted by riders throughout New Zealand. Protect your transmission with the premium performance of Spectro Heavy Duty Platinum Gear Oil.