Sears 917.60656 Assembly, Operating Instructions And Parts List page 6

MOUNTING 917.60656 CUTTER BAR MOWER TO 1965 OR OLDER TRACTORS
To Mount
Mower to the following model tractors
917.60633, 917.60634, 917,60637,
917.60644, 917.60645, 917.60646
and
917,60647,
It will be necessary to order Cat. No.
9919
kit, The kit consists of belt tightener lever assembly, rear hanger, engine pulley,
belt guides, etc.
To Mount Mower to tractors built prior
fo 1964
(tractors with round front axles). It will
be necessary to order Cat. No,
9917
offset tie rod kit, in addition to Cat,
No.9919
kit
above, It consist of offset tie rod, template for mounting rear hanger, etc,