Harddrive 80W90 Transmission Oil 1 Quart - Harley-Davidson V-Twin
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
Harddrive 80W90 Transmission Oil is purpose-built for the unique demands of V-twin motorcycle transmissions. This high-film-strength blend features extreme pressure additives, ensuring smooth shifting and robust wear protection across all RPM ranges. It's specifically formulated for 4, 5, and 6-speed Harley-Davidson transmissions.
Why riders pick this
- Formulated for 4, 5, and 6-speed Harley transmissions
- Ultra-high film strength for superior wear protection
- Extreme pressure additives for smooth shifting
- Meets or exceeds API GL-5 classification
Your Harley-Davidson transmission works hard, and it deserves a lubricant that's up to the task. Harddrive 80W90 Transmission Oil provides the critical protection needed for high-performance gearboxes, reducing friction and heat buildup to keep your shifts crisp and your gears protected.
Engineered for Smooth Shifts
- Developed specifically for 4, 5, and 6-speed Harley-Davidson transmissions
- Ultra-high film strength provides excellent wear protection for gears
- Extreme pressure additive package ensures smooth and precise shifting
- Meets or exceeds API GL-5 classification for severe service conditions
Reliable Performance on the Road
Whether you're cruising the highway or pushing through twisties, consistent transmission performance is key. This Harddrive transmission oil helps prevent gear pitting and wear, promoting a longer lifespan for your transmission components. It's a smart choice for riders who demand reliability and a positive feel from their V-twin's gearbox.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 198504
- UPC: 191361119484
- Viscosity: 80W90
- Package Size: 1 quart
- Quantity per Case: 12
- Weight: 1.96 lbs
- Dimensions: 8 in L × 4 in W × 2 in H
Common questions
Which Harley-Davidson transmissions is this oil designed for?
Harddrive 80W90 transmission oil is specifically formulated for Harley-Davidson models equipped with 4, 5, and 6-speed transmissions. Always consult your owner's manual to confirm the correct fluid for your bike.
Does this oil help with shifting performance?
Yes, this transmission oil features an extreme pressure additive package designed to promote smoother shifting and reduce gear wear across the entire RPM range.
Does this transmission oil meet industry standards?
Yes, Harddrive 80W90 transmission oil meets or exceeds the API GL-5 classification, ensuring high performance and protection for your V-twin's transmission.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Harddrive |
| TYPE | Chemicals |
| SKU | 822-1052 |
| WEIGHT | 1.96 lb |
