Rear-tine Tiller Models
630C — Tuffy
®
634F — Bronco
TM
634B — Super Bronco
TM
Model 634B Shown
Operator’s Manual
PRINTED IN U.S.A.
770-10594C.fm
11/25/02
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
WARNING:
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable
local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of
California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have similar laws.
Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized service dealer or
contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.
TROY-BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
FORM NO.
