Lucas Heavy Duty Gear Oil - 85w140 1 QT (12/Case Sold Ea)

Lucas Heavy Duty Gear Oil 85w140 is a full synthetic formulation designed for V-twin motorcycle transmissions and final drives. Engineered with anti-wear additives and enhanced lubricity to handle high-performance and heavy-duty riding conditions while controlling heat.

Features

• 85w140 viscosity grade
• Anti-wear and anti-friction additives
• Heat-control formulation
• Suitable for high-performance and heavy-duty applications
• Sold individually — case packs contain 12 quarts

Specifications

• Brand: Lucas
• Manufacturer Part #: 10042
• UPC: 049807100421
• Viscosity: 85w140
• Size: 1 quart
• Weight: 2.04 lbs
• Dimensions: 3.3 in L × 3.3 in W × 11.6 in H

Fitment

For V-twin motorcycle transmissions and final drives, including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

What viscosity is this oil?

85w140 — a heavy-duty viscosity suitable for extreme pressure and high-heat conditions in V-twin drivetrains.

Can I use this in my Harley transmission and primary?

This is designed for transmissions and final drives. Always verify your specific Harley model's service manual for correct oil recommendations before filling.

Does Lucas Heavy Duty work in cold climates?

The 85w140 viscosity is formulated for high-performance and heavy-duty use. In extremely cold weather, confirm compatibility with your local riding conditions.

How much oil does a typical V-twin transmission hold?

Transmission capacity varies by model — typically 1–2 quarts. Check your motorcycle's service manual for the exact amount and proper fill level.

Is this case-pack pricing, or can I buy one quart?

This listing is for individual quarts. Cases contain 12 quarts total — order accordingly for your needs.