Lucas Synthetic Gear & Transmission Oil - 75w140 1 QT (12/Case Sold Ea)

Lucas Synthetic Gear & Transmission Oil 75W140 is a full synthetic lubricant engineered for V-twin motorcycle transmissions and final drives. Formulated to resist shear and withstand extreme temperatures while providing long-lasting protection in high-performance and heavy-duty riding conditions.

Features

• 75W140 full synthetic formulation
• Resists gear squeezing and shear loss
• Withstands high-temperature operation
• Super slick long-lasting lubrication
• Suitable for high-performance and heavy-duty applications

Specifications

• Brand: Lucas
• Manufacturer Part #: 10121
• UPC: 049807101213
• Viscosity: 75W140
• Size: 1 quart
• Weight: 2.02 lbs
• Dimensions: 3.3 in L × 3.25 in W × 11.6 in H

Fitment

Fits V-twin motorcycles including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

What viscosity is this oil?

75W140 — suitable for V-twin transmissions and final drives in a wide range of ambient temperatures.

Can I use this in my Harley transmission and primary?

Check your owner's manual for oil specifications. Lucas 75W140 is formulated for transmissions and final drives; some primaries may require a different grade.

Is this full synthetic?

Yes — Lucas Synthetic Gear & Transmission Oil is a full synthetic formulation designed for extended drain intervals and superior protection.

How much do I need for a transmission service?

Most V-twin transmissions hold approximately 1.5-2 quarts; confirm your bike's capacity in the service manual before ordering quantity.