Results 1 to 9 of 9
  1. #1
    Member
    Join Date
    Jan 2013
    Location
    Broken Arrow, OK
    Posts
    323

    Lower Unit Interchangeability

    I have been looking to see if there are any Lower Units that are interchangeable with Standard ServiceMaster.


    Can anyone point me to a resource that will tell me if there are any Lower Units that are interchangeable with Standard ServiceMaster?


    1999 Mercury Optimax with Standard ServiceMaster 1623-859399T13
    1999 TR-21
    Optimax 225 Serial Number 0G842489

  2. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
    Posts
    13,941
    #2
    written resource ????? none i know of
    .................................................. ...the scariest thing in life is the unknown ...................................

  3. Member Especial Bryanmc57's Avatar
    Join Date
    Aug 2004
    Location
    Mineola, TX
    Posts
    16,701
    #3
    I'd say the best resource would be right here asking Joe or Don.


    Honora Primum Vel Nullum Omnin Honorem

  4. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
    Join Date
    Apr 2008
    Location
    Greenville, SC (US)
    Posts
    94,945
    #4
    859399T13 is the current part number and the least expensive 3L OEM/Mercury Gearcase available. Remaining options are used or "after-market-junk".

    Don't waste your hard-earned money on aftermarket.

    Are you looking for cost effective, most robust, fastest on your boat hull, or ????


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor

  5. Member
    Join Date
    Jan 2013
    Location
    Broken Arrow, OK
    Posts
    323
    #5
    Quote Originally Posted by EuropeanAM View Post
    859399T13 is the current part number and the least expensive 3L OEM/Mercury Gearcase available. Remaining options are used or "after-market-junk".


    Don't waste your hard-earned money on aftermarket.


    Are you looking for cost effective, most robust, fastest on your boat hull, or ????

    Cost will be the most important I think.
    I am not worried about going super fast.


    I was wondering what models, if any, are compatible so I could research which would be the best option for me.


    I will not buy an aftermarket lower unit.


    Thanks
    Chris
    1999 TR-21
    Optimax 225 Serial Number 0G842489

  6. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
    Posts
    13,941
    #6
    new that T13 is cheeeeeeeeepest , VERADO style will be next , then TORQUE MASTER
    .................................................. ...the scariest thing in life is the unknown ...................................

  7. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
    Join Date
    Apr 2008
    Location
    Greenville, SC (US)
    Posts
    94,945
    #7
    Quote Originally Posted by JOE54 View Post
    new that T13 is cheeeeeeeeepest , VERADO style will be next , then TORQUE MASTER
    +1

    And by Torquemaster... that would be the G1 Torquemaster.


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor

  8. Member
    Join Date
    Jan 2013
    Location
    Broken Arrow, OK
    Posts
    323
    #8
    Quote Originally Posted by JOE54 View Post
    new that T13 is cheeeeeeeeepest , VERADO style will be next , then TORQUE MASTER

    Quote Originally Posted by EuropeanAM View Post
    +1




    And by Torquemaster... that would be the G1 Torquemaster.



    Thanks guys.




    By "cheeeeeeeeepest" - you mean least expensive and not the lowest quality, right?


    I am recreational fisherman...not tourneys.
    Last edited by BassnChris; 01-31-2023 at 06:22 PM. Reason: grammar
    1999 TR-21
    Optimax 225 Serial Number 0G842489

  9. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
    Posts
    13,941
    #9
    yes least expensive , basic same internals as GEN 1 TM
    .................................................. ...the scariest thing in life is the unknown ...................................