Spectro Platinum 6 Speed Heavy Duty Full Syn Trans Oil - HD 6 Speed 75w140 1qt

Spectro Platinum 6 Speed Heavy Duty full synthetic transmission oil formulated for Harley-Davidson 6-speed transmissions and V-twin motorcycles. Provides quieter operation and smoother shifts while exceeding all OEM and Harley-Davidson warranty requirements.

Features

• Developed for Harley-Davidson 6-speed transmissions
• Full synthetic formula with G4 Technology
• Special anti-wear additives reduce gear wear
• Maintains higher film strength while reducing drag
• Resists high loads and extreme heat
• API GL-5 rated
• 1 quart size

Specifications

• Brand: Spectro
• Manufacturer Part #: 310316
• UPC: 831556000875
• Viscosity: 75W140
• Quantity: 1 quart
• Weight: 2.0833 lbs
• Dimensions: 4 in L × 2 in W × 8.75 in H

Fitment

For V-twin motorcycles, including Harley-Davidson and Indian Motorcycle 6-speed transmissions.

Frequently Asked Questions

Will this work in my Harley 6-speed transmission?

Yes — this oil is specifically developed for Harley-Davidson 6-speed transmissions and exceeds all OEM warranty requirements.

How much oil does one quart cover?

One quart is typically enough for a transmission oil change on most V-twin bikes. Check your owner's manual for exact capacity.

Is this full synthetic?

Yes — Spectro Platinum is formulated with full synthetic base stock and G4 Technology additives.

Will this make my transmission quieter?

Yes — the formula is engineered to reduce noise and provide smoother shifting compared to conventional oils.

Does this oil meet warranty requirements?

Yes — it exceeds all OEM and Harley-Davidson warranty requirements and is API GL-5 rated.