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Marine Engines Repower – Bayliner Cierra 2655, 1991 model Mercruser MCM 5.0l LX
Dennis, Thanks for your inquiry and the opportunity at earning your business. Since Mercruiser made both Alpha and Bravo sterndrive models with that engine I would not be able to tell you without knowing which one your engine is setup for. Can you give me the original engine serial number? Or can you tell me if [...]

4.3L Marine Engine Longblock Performance Specification
Mike, Thanks for your inquiry and the opportunity at earning your business. The Hp rating for longblocks is determined by the fuel system that’s install back onto the engine. For example since GM only produced one marine version of the 4.3L during this timeframe Mercruiser used this same longblock on their 190 Hp 2 barrel carb [...]

Marine Engines – Replacement marine engine for my boat 5.7 mercruiser 1992 #0d763634
Marty, Thanks for your inquiry and the opportunity at earning your business. Using the links below you can review your options. Let me know if you need any further technical information or help placing your order. In either case I will be glad to assist! Link to Block Code/Serial Number Location http://www.perfprotech.com/store/app_themes/PPT/images/block-casting-no.jpg Link to Remanufactured Longblocks http://tinyurl.com/68kcet8 Link to Remanufacturing [...]

Suzuki Marine Outboard Motors – Replacing a Fuel Pump on a DF70
Step by Step Video Instructions illustrating how to change an electric fuel pump on a Suzuki DF70 outboard motor. Watch Video

Boat Trailer Parts and Accessories – How to Replace a Boat Trailer Hub
Step by Step video instructions illustrating how to replace a leaky oil filled hub on a boat trailer. Watch Video

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Marine Transmissions - PPT Now Offers Genuine ZF and Velvet Drive Transmissions

Go Directly to the Online Store to View New Transmissions

Marine Transmission at PPT.  Marine Transmissions, Rebuilt Marine Transmissions and Marine Transmission Coolers When it comes to getting the right marine transmission for your boat, PPT is your one-stop source. Performance Product Technologies has the experience and the knowledge to get you the transmission you need at a price that will fit your budget. PPT offers vast ranges of both ZF marine transmissions and Velvet Drive marine transmissions. PPT is backed by years of ind ustry knowledge and commitment to getting you back on the water as soon as possible. Call toll free at (866) 335-3396 or send us an email at sales@perfprotech.com for more details, there is no better deal available, guaranteed!

ZF Marine Transmissions

ZF Marine is the world's largest supplier of marine transmissions, propellers, surface drives and controls. Their experience date back to 1935 when development first began. Jointly, PPT and ZF Marine will offer you the customer service and durable parts you deserve.

Single Speed - Pleasure Duty
Marine Transmissions

PPT offers a wide range of single speed transmissions from a ZF5M rated for up to 26hp to the ZF7550 rated for up to 3860hp. The pleasure duty transmissions are designed for highly intermittent operation with continual change in speed and power. The average operating hours are 300 hours per year for mechanical gear boxes. Conventional applications include private non-commercial, non-charter sport/leisure activities.

Specifications:
ZF 45A
ZF 45V
ZF 63A
ZF 63V
ZF 80A
ZF 80V

Velvet Drive Marine Transmissions

Once known as Borg Warner; Velvet Drive is recognized for the one of the highest standards when it comes to designing and manufacturing marine transmissions. They feature excellent characteristics such as quiet and smooth operation.

71C and 72C Series Marine Transmissions

- Available in V-Drive, Inline and Direct Drive
- Cast Iron Design
- Numerous Ratios Available
- Vast Horsepower Range

Marine Transmission, Marine Transmissions, Rebuilt Marine Transmissions, Marine Transmission Cooler
Specifications:
Inline Configuration
V-Drive Configuration

5000 Series Marine Transmissions

- 8° Down Angle
- Bi-Rotational for Twin Engine Installations
- Light Weight Aluminum Design
- Available in Direct Drive or 5 Different Ratios

Marine Transmission, Marine Transmissions, Rebuilt Marine Transmissions, Marine Transmission Cooler
Specifications:
5000 Series

5000V Series Marine Transmissions

- Specifically Designed for V-Drive Applications
- Available in 4 Ratios
- Light Weight Aluminum Design
- Bi-Rotational for Twin Engine Installations

Marine Transmission, Marine Transmissions, Rebuilt Marine Transmissions, Marine Transmission Cooler
Specifications:
5000V Series

Marine Transmission
Product Pricing


Marine Transmission, Marine Transmissions, Rebuilt Marine Transmissions, Marine Transmission Cooler
ZF 45A Series
ZF 45V Series
ZF 63A Series
ZF 63V Series
ZF 80A Series
ZF 80V Series


Marine Transmission, Marine Transmissions, Rebuilt Marine Transmissions, Marine Transmission Cooler
71C Inline Series
71C V-Drive Series
72C Inline Series
72C V-Drive Series
5000 Series
5000V Series

Marine Transmission Technical Data

PPT o ffers dimensional drawings that are critical when fitting up a transmission to your particular application. Below are some links that are helpful.

ZF Down Angle Transmission Dimensions

ZF V-Drive Transmission Dimensions

Bell Housing Dimensions

Marine Transmission Warranty Information

Marine Transmission, Marine Transmissions, Rebuilt Marine Transmissions, Marine Transmission Cooler

ZF Marine warrants their product line for a period of twenty-four (24) months from the date of commission for pleasure craft and for a period of twelve (12) months from the date of commission for commercial use. Velvet Drive warrants  their product line for a period of twelve (12) months from the date of commission for pleasure craft and for a period of six (6) months from the date of commission for commercial use. This warranty shall not apply for part subjected to misuse, negligence, damage in handling or shipping, modification or alteration, improper maintenance, or use beyond the products rated capacity or in any improper manner.