EVINRUDE 593514 Big Lower Unit Gearcase 33HP 40HP 1960S 1970S

( Brand: Evinrude ), ( Manufacturer Part Number: 593514 ), ( Part Type: Unit ), ( Stroke: 2-stroke ), ( Evinrude Big Twin 40hp Outboard Lower Unit Gearcase: 1966 Johnson 40hp Outboard Lower Unit Gearcase ), ( 1969 Johnson 33hp Outboard Lower Unit Gearcase: 1970 Johnson 33hp Outboard Lower Unit Gearcase ), ( 1966 Evinrude 40hp Outboard Lower Unit Gearcase: 1965 Johnson 33hp Outboard Lower Unit Gearcase ), ( 1970 Johnson 40hp Outboard Lower Unit Gearcase: 1970 Evinrude 40hp Outboard Lower Unit Gearcase ), ( 1968 Johnson 33hp Outboard Lower Unit Gearcase: 1968 Evinrude 33hp Outboard Lower Unit Gearcase ), ( 1967 Johnson 40hp Outboard Lower Unit Gearcase: 1967 Evinrude 40hp Outboard Lower Unit Gearcase ), ( Evinrude Lower Unit Gearcase 593514: 1967 Johnson 33hp Outboard Lower Unit Gearcase )

Review EVINRUDE Johnson 33hp 40hp Big Lower Unit Gearcase Asm 1960s 1970s fits TWIN

Evinrude-Johnson Big Twin Lower Unit Gearcase (33HP-40HP, 1960s-1970s)

Step back in time with this authentic Evinrude-Johnson Big Twin Lower Unit Gearcase, a classic piece of marine engineering dating back to the 1960s and 1970s. This lower unit comes equipped with either a 33HP or 40HP motor, offering an ideal power range for a variety of watercraft applications.

The Big Twin Lower Unit Gearcase is renowned for its robust construction, featuring a durable aluminum housing designed to withstand the harshest marine environments. The gearcase is equipped with a heavy-duty, oil-lubricated gear system, ensuring smooth and efficient power transmission from the motor to the propeller.

The unit sports a unique two-blade, high-thrust propeller, providing excellent maneuverability and speed. The propeller is securely fastened to the gearcase via a sturdy, adjustable propeller shaft. The lower unit also features a built-in trim tab, allowing for easy adjustments to optimize the boat's performance in varying water conditions.

This Evinrude-Johnson Big Twin Lower Unit Gearcase is a perfect fit for boats manufactured during the 1960s and 1970s, making it an essential component for restoring or maintaining classic watercraft. With its timeless design and reliable performance, this lower unit is more than just a mechanical component - it's a piece of marine history. Whether you're a seasoned boat enthusiast or a first-time restorer, this Evinrude-Johnson Big Twin Lower Unit Gearcase is an investment that will serve you well for years to come.

Pros, Cons, and Recommendation for the Evinrude 593514 Johnson 33-40hp Big Twin Lower Unit Gearcase (1960s-1970s)

1. Power: The Evinrude 593514 Johnson Big Twin offers a powerful range of 33-40hp, making it suitable for a variety of watercraft and tasks.

2. Durability: Being a product from the 1960s-1970s, these units have already proven their durability and ability to withstand harsh marine conditions over several years.

3. Availability of Parts: Due to their long production span, you can find replacement parts relatively easily, which can be beneficial for maintenance and repairs.

4. Value: Older models can often be found at lower prices compared to modern counterparts, making them an attractive option for budget-conscious buyers.

1. Age: The age of these units may lead to potential issues such as wear and tear, corrosion, and the need for extensive repairs or rebuilds.

2. Technology: These units lack many modern features and improvements found in newer models, such as fuel efficiency, easy maintenance, and quiet operation.

3. Compatibility: Ensure the gearcase is compatible with your watercraft, as they may not fit all models or require modifications.

4. Performance: While powerful, the performance may not meet the expectations of those seeking the latest technology for speed and maneuverability.

The Evinrude 593514 Johnson Big Twin Lower Unit Gearcase can be a good choice for those seeking a powerful, durable, and budget-friendly option. However, potential buyers should be aware of the potential issues associated with its age, and ensure they have the necessary resources for maintenance, repairs, and compatibility checks.

If you are comfortable with the potential challenges that come with an older engine, the Evinrude 593514 Johnson Big Twin Lower Unit Gearcase can be a worthwhile investment. However, for those seeking the latest technology and superior performance, it may be more beneficial to consider modern options. Always ensure to thoroughly inspect the unit before purchase, and have a professional evaluate its condition if necessary.

Details:

Driveshaft measures 18 from the top of mount area to tip driveshaft. Please review all pictures before purchase. There is no charge for this service. PART 1968 Johnson 33hp, lower unit, gearcase assembly, OMC part #0593514 ,0385176, etc.

Driveshaft is a 14 spline. Now as noted, this lower unit was pulled from a 1968 33hp Johnson and will fit some other 40hp model's in the later 1960s 1970s: .CONDITION. Lower unit is in working condition.

part #: 593514 prices

• $20.28-$69.95

specifications ouboaen:

• for models: Twin
• for makes: Johnson, Evinrude
• brand: Evinrude
• mpn: 593514
• part type: Unit
• stroke: 2-stroke
• evinrude big twin 40hp outboard lower unit gearcase: 1966 Johnson 40hp Outboard Lower Unit Gearcase
• 1969 johnson 33hp outboard lower unit gearcase: 1970 Johnson 33hp Outboard Lower Unit Gearcase
• 1966 evinrude 40hp outboard lower unit gearcase: 1965 Johnson 33hp Outboard Lower Unit Gearcase
• 1970 johnson 40hp outboard lower unit gearcase: 1970 Evinrude 40hp Outboard Lower Unit Gearcase
• 1968 johnson 33hp outboard lower unit gearcase: 1968 Evinrude 33hp Outboard Lower Unit Gearcase
• 1967 johnson 40hp outboard lower unit gearcase: 1967 Evinrude 40hp Outboard Lower Unit Gearcase
• evinrude lower unit gearcase 593514: 1967 Johnson 33hp Outboard Lower Unit Gearcase

seller ouboaen:

• rating: 99.5%
• # reviews: 16003
• city: Boulder Junction, Wisconsin

payments ouboaen:

• wallet: Paypal
• credit card: Mastercard
• other

offer ouboaen:

• availability: In Stock
• started: July 26, 2025
• sold: 0
• options: Ship-to-home
• quantity: 1

returns ouboaen:

• policy: No Returns

shipping ouboaen:

• class: Standard
• service: UPS Ground
• type: Calculated
• cost: $19.72
• transit: 4-7 Days
• carrier: UPS

general ouboaen:

• Boat Parts > Outboard Engines Components > Complete Outboard Lower Units
• condition: Used

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