"Manic-Mechanic" 1,266 #1 Posted February 12, 2022 (edited) I have a good solid 5 0621 9 36" RD Deck but the belt sizes are listed poorly at best. 8411 spindle 1/2 x 76.94 or Gates 6877 102741 drive 1/2 x 96.6 or Gates 6638BR Then there's the 102607 1/2 x 89 which appears to be short frame? center-center I get 45" on the wheel base. I cannot recall this for some reason? Age? Lol Edited February 13, 2022 by "Manic-Mechanic" 1 Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,482 #2 Posted February 13, 2022 A 300-Series tractor is a long frame A short frame tractor has a 41-1/4" wheel base Drive belt 102607 (1/2" x 89.12") when used on medium frame 43-1/2" wheel base 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") 2 2 Share this post Link to post Share on other sites
"Manic-Mechanic" 1,266 #3 Posted February 13, 2022 Outstanding! I do appreciate your clearing this up! 3 Share this post Link to post Share on other sites
