Model 575-- 5-3/4
Horsepower ENGINE -- 4 cycle, 5-3/4 hp, single cylinder, air-cooled heavy duty Briggs & Stratton with cast iron cylinder sleeve. Improved large recoil starter. Improved ignition performance. Oil both air cleaner for longer engine life. Manual choke with convenient
front control. Hinged hood tilts back for easy access. CLUTCHES -- Simplicity "Soft Action", spring-loaded idlers. Conveniently-located controls. AXLES -- "Duomafic" two-speed rear axle;
exclusive planetary design has two forward speeds and two reverse. Truck-type differential. Articulated front axle will clear 8" obstacles. STEERING -- Complete control of unit concentrated in single sabre grip "Joy Stick." Safety-loaded front wheel spindles permit short turns. Ball taint
on steering rods for ease of handling. TIRES -- Soft, pneumatic, stud-tread, full-traction tires; 4.00x8-2-ply on rear. Soft, pneumatic, non-skid, wide 10-3.50 x 4 stud, 2-ply tread tires on front.
FRAME -- Electrically-welded steel. Center frame of heavy tubular steel.
OPTIONAL EQUIPMENT -- 12-volI electric starter and 20 amp. hr.12-volt battery. POWER TAKE OFF -- 2-pulley power
take off shaft.
Model 450-- 4-1/2 Horsepower ENGINE -- 4 cycle, 4-1/2 HP, single cylinder, air cooled heavy duty nationally known
Briggs & Stratton. Large recoil starter. Oil bath cleaner for longer engine life. Hinged hood tilts back for easy accessibility. CLUTCHES -- Simplicity "Soft Action", spring loaded idlers. Conveniently located controls.
AXLES -- "Duomatic" Two Speed Rear Axle, exclusive planetary design has two forward speeds and two reverse. Truck type differential. Articulated Front Axle, will clear 8" obstacle. STEERING -- Complete control of unit concentrated in single grip
"Joy Stick". Safety loaded front wheel spindles permit short turns. Ball joint on steering rods for ease of handling. TIRES -- Soft pneumatic stud tread full traction tires, 4.00 x 8- 2 ply on rear. FRAME -- Electrically welded steel. Center frame of heavy tubular steel.
OPTIONAL EQUIPMENT -- 12 volt electric starter with neutral safety device and 20 amp. hr.- 12 volt battery.
Click each picture for a closer view.
WITH REEL AND GANG MOWERS
WITH 32" ROTARY MOWER
WITH 30" AND 36" SNOW PLOW AND GRADER BLADE
The Simplicity "Duomatic" axle is a planetary transmission that shifts easily; permits decreasing speed to increase power. Power is equally divided between both drive wheels by a 4-pinion gear differential. Easy to maneuver with a positive, neutral position.
[Source: Simplicity Lawn and Garden Power Equipment catalog, 1959, courtesy of Wally Koerbel]