clueless 2,898 #1 Posted September 17, 2022 Anybody got the model number for the 36 rd deck for the C-121 can't seem to find it in the manual section, need the parts diagram. Chris. Share this post Link to post Share on other sites
Ed Kennell 35,748 #2 Posted September 17, 2022 Are you out there Garry? @gwest_ca Share this post Link to post Share on other sites
gwest_ca-(File Mod) 10,491 #3 Posted September 17, 2022 Corrected the first reply - wrong deck size The 1978 model was 85-36MR01 but you could have any of these Mower DNA 1972 model 5-0620 replaced by 1973-1974 model 5-0621 1975 model 5-0622 1976 model 65-36XR01 1977 model 75-36XR01 1977 model 75-36XR02 1978 model 85-36MR01 1979 model 95-36MR00 (Blades up to this point have the 5/8" x 3/4" double-D center hole unless the spindle has been upgraded) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- (These decks used blades with a 3/4" center hole) 1979 model 95-36MR01 replaced by 1980-1982 model 05-36MR01 - Last year for bearings with 3/4" ID 1983-84 model 05-36MR02 - First year for bearings with 17mm ID unless older spindles were updated. 1985 model 05-36MR03 1986-1990 model 05-36MR04 1991-1993 model 05-36MR05 1993-2006 model 78305 Note - 17mm is .669" Share this post Link to post Share on other sites
clueless 2,898 #4 Posted September 17, 2022 Thank's Garry, the '78 and '79 C-121 had the cradle mount engines, just trying to find out if the mule drive belt was different because of the cradle. Chris. Share this post Link to post Share on other sites
clueless 2,898 #5 Posted September 17, 2022 So is the mule drive deck belt Toro 102741 and what size is it? Share this post Link to post Share on other sites
gwest_ca-(File Mod) 10,491 #6 Posted September 17, 2022 If you click on the fuzzy picture in the link above this is what you will see. Fits B-Series and C-Series tractors Drive belt 102607 (1/2" x 89.12") when used on medium frame 43-1/2" wheelbase tractors 1972 Commando 800 model 1-0110 1973 8hp 4-Speed model 1-0120 1974 B-80 4-Speed models 1-0140 and 1-0145 1974 B-100 Auto model 1-0510 1975 B-80 4-Speed model 1-0141 1975 B-100 Auto model 1-0511 Drive belt 102741 (1/2" x 96.6") for B-Series & C-Series tractors with 45-1/2" wheelbase (Gates replacement BladeRunner 6638BR 17/32" x 96.75") Spindle belt 8411 (1/2" x 76.94") Share this post Link to post Share on other sites
clueless 2,898 #7 Posted September 18, 2022 2 hours ago, gwest_ca said: If you click on the fuzzy picture in the link above this is what you will see. Fits B-Series and C-Series tractors Drive belt 102607 (1/2" x 89.12") when used on medium frame 43-1/2" wheelbase tractors 1972 Commando 800 model 1-0110 1973 8hp 4-Speed model 1-0120 1974 B-80 4-Speed models 1-0140 and 1-0145 1974 B-100 Auto model 1-0510 1975 B-80 4-Speed model 1-0141 1975 B-100 Auto model 1-0511 Drive belt 102741 (1/2" x 96.6") for B-Series & C-Series tractors with 45-1/2" wheelbase (Gates replacement BladeRunner 6638BR 17/32" x 96.75") Spindle belt 8411 (1/2" x 76.94") Share this post Link to post Share on other sites
