jason dewitt 0 #1 Posted September 21, 2019 hi there i have a 78 or 79 c-121/ c-101 has this 42 inch deck im trying to id also the lift link that rasies the deck has a big bolt in it does anyone have a pic of that connection there are no numbers on deck Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,033 #2 Posted September 22, 2019 Here are all the candidates Mower DNA 1966-1967 model RL-426 replaced by 1968 model 5-1421 1969 model 5-1422 1970 model 5-1423 1971 model 5-1000 1971-1972 model 5-1001 1973-1974 model 5-1010 1975 model 5-1011 1975 model 5-1012 1976 model 65-42MS01 1976 model 65-42MS02 1977 model 75-42MS01 - These 42" side discharge decks all use blades with 5/8" x 3/4" double-D center hole unless the spindles have been upgraded (Do not have operator manual) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 1977 model 75-42MS02 replaced by (Do not have operator manual) 1978 model 85-42MS01 (Do not have operator manual) 1979 model 95-42MS00 (Do not have operator manual) 1979 model 95-42MS01 (Do not have operator manual) 1980 model 05-42MS01 (Have operator manual) 1981-1983 model 05-42MS02 1984 model 05-42MS03 - Last year for bearings with 3/4" ID 1985 model 05-42MS04 - First year for bearings with 17mm ID unless older spindles were updated. 1986-1988 model 05-42MS05 1989 model 15-42SC01 1990 model 15-42SC02 1990-1992 model 15-42SC03 1993-2007 and 2009-2012 model 78345 - These decks all use blades with a 3/4" center hole. Note - 17mm is .669" Garry Share this post Link to post Share on other sites
jason dewitt 0 #3 Posted September 22, 2019 boy that really narrowed it down lol is there anything to help narrow it down im looking for a few bearings for spindles and blades and belt sizes for both the deck and pto Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,033 #4 Posted September 22, 2019 There is nothing magic about it. The only thing I see is greasable spindles. Not all were. Keep in mind the illustrated parts lists in most cases are shared with the 48" side discharge deck so the illustrations can be deceiving. They do not always show the parts for both deck sizes - belt covers are one item. When you think you have an ID search our files using the deck model number. Belts and blades should be listed on the file description page. One link provided This file will help with spindle ID. Click on the fuzzy picture. Garry Share this post Link to post Share on other sites
peter lena 8,583 #5 Posted September 22, 2019 bearings are probably 6203 2 rs - 3/4" i d, pick up a 6 pack on e bay /amazon . grease seal # 473380 , timken or related brand. also replace the idler pulley , common cause of deck noise. measure your blade size , compare to w/h speck , these are also available , on amazon, e bay. you have not shown the bottom of this deck, usually never cleaned or scraped, if it scrapes out easily consider yourself lucky, my suggestion is to oil spray it down , to feed the metal and kill off the rusty grunge, get it upside down in the sun to hot bake in the oil , i do this regularly , it works . detail lube the deck height adjustment areas, that should work easily , i also use LUCAS RED AND TACKY GREASE on my spindles, 550 temp drop point , no more bearing failure. your deck wheels don,t look bad , i would grease them also. i used two ( 2 ) angle pry bars on the spindle mounting bolts , ( under the pulleys ) to pop them off , makes it simple and easy . good luck with it , pete 1 Share this post Link to post Share on other sites
jason dewitt 0 #6 Posted September 25, 2019 the underside is good and clean and the blades are round hole not the doubleD or whatever they call them i need to find where i can get a 11/8 inch 6 point socket and a 6 point box end i had to use pipe wrench and a 4 foot pipe to get the nuts off this time as my 12 point socket kept skipping lol Share this post Link to post Share on other sites
jason dewitt 0 #7 Posted September 25, 2019 also the idler does it just float back and forth its spring loaded i know but the bolts are loose if i tighten them it locks the bar the idler is on Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,033 #8 Posted September 25, 2019 The tension bar slides on plastic washers and bushings which wear over time. Second item down here Garry Share this post Link to post Share on other sites