Simplicity lawn tractors

Simplicity Serf 525

The Simplicity Serf 525 is a 1969 lawn tractor from the Serf Series manufactured by Simplicity, a part of Allis Chalmers. It features a 5 hp Briggs & Stratton 206cc 1-cylinder air-cooled gasoline engine with a carburetor fuel system and electric starter. The tractor has a 3-speed belt-driven gear transmission with 3 forward and 1 reverse gears, two-wheel drive, and manual steering. It has an open operator station and rides on 4.80/4.00x8 lawn/turf rear tires. Dimensions are 51.5 inches in length and 26 inches in width. Electrical system is 12 volts with negative ground. Attachments include a 2" mid-mount mower deck with 2 blades and manual lift, and a 42" front-mount blade with manual lift. Related models include the Serf 535 and Serf 515.
Power-
Founded-
ModelSerf 525

Technical Specifications

Detailed specifications and technical data for Simplicity Serf 525

Power
Power5.0hp
Tires
Lawn/turf rear4.80/4.00x8
Engine
Power5 hp (3.7 kW)
Coolingair-cooled
Starterelectric
Cylinders1-cylinder
Fuel typegasoline
Bore/Stroke2.56x2.44 inches (65 x 62 mm)
Fuel systemcarburetor
Displacement206 cc (12.57 ci)
Oil capacity0.9 qts (0.9 L)
Engine DetailBriggs & Stratton 130000
Starter volts12
Dimensions
Width26 inches (66 cm)
Length51.5 inches (130 cm)
Electrical
Groundnegative
Battery volts12
Production
TypeLawn tractor
Year1969
SeriesSerf Series
Attachments
42" BladeSimplicity front-mount
42" Blade liftmanual-lift
42" Blade width42 inches (106 cm)
2" Mower deck Typemid-mount Simplicity
Attachment overview2" mid-mount mower deck, Blade
2" Mower deck details2-blade with manual lift
2" Mower deck Cutting width2 inches (5 cm)
Transmission
Typebelt-driven gear
Gears3 forward and 1 reverse
Speed count3-speed gear
Operator station
TypeOpen operator station.
Drive and Steering
DriveTwo-wheel drive
SteeringManual steering