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Bolens 528

Bolens 528 tractor
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The Bolens 528 is a 1979 riding lawn mower powered by a 5 hp Briggs & Stratton 206cc 1-cylinder gasoline engine. It features a 5-speed belt-driven gear transmission with 5 forward and 1 reverse gears. The mower has a two-wheel drive with manual steering and mechanical disc brakes. It includes a mid PTO with an independent clutch. The mower weighs 365 lbs and has a wheelbase of 43 inches. It uses 3.5x10 front tires and 4.8x16.8 rear tires. Attachments include a 28-inch mid-mount mower deck with 7 cut positions and manual lift. The serial number decal is located on the right-rear of the mower between the engine and tire.
Bolens 528riding lawn mower1979Briggs & Stratton 206cc engine5 hp5-speed transmissionmower decklawn tractor
Power5 hp
Founded28" deck
Model528

Technical Specifications

Detailed specifications and technical data for Bolens 528

Engine

Type:gasoline
Cooling:air-cooled vertical-shaft
Cylinders:1-cylinder
Fuel tank:0.5 gal (1.9 L)
Point gap:0.020 inches (0.508 mm)
Rated RPM:3600
Sparkplug:Champion J-8
Bore/Stroke:2.56x2.44 inches (65 x 62 mm)
Displacement:206 cc (12.57 ci)
Oil capacity:0.9 qts (0.9 L)
Starter type:manual recoil
Engine Detail:Briggs & Stratton 130902
Power (gross):5 hp (3.7 kW)
Sparkplug gap:0.030 inches (0.762 mm)
Oil change interval:25 h

Overview

Year:1979
Category:Riding lawn mower
Horsepower:5.0 hp

Dimensions

Length:60 inches (152 cm)
Weight:365 lbs (165 kg)
Rear tire:4.8x16.8
Wheelbase:43 inches (109 cm)
Front tire:3.5x10
Height (steering wheel):38.4 inches (97 cm)

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical disc brakes
Steering:Manual steering
Operator station:Open operator station

References

Books:Rear Engine Riders - Lawn Tractors published in 1979, by Bolens; Riding Mower Service Manual (552568-3) published in 1980

Attachments

28" mid-mount mower deck:28 inches cutting width, mid-mount Bolens, 1-blade with manual lift, overall width 31 inches (78 cm), cut height 1.25 to 3.25 inch (3 to 8 cm), 7 cut positions

Transmission

Type:belt-driven gear
Gears:5 forward and 1 reverse
Clutch:idler pulley
Transmission:Peerless 730

Serial Numbers

Location:Serial number decal on the right-rear of the mower, between the engine and tire.

Power Take-off (PTO)

Clutch:mechanical idler pulley
PTO type:independent
PTO location:Mid PTO