Toro lawn tractors

Toro 520

The Toro 520 is a garden tractor produced from 1990 to 1997, built in South Bend, Indiana, USA. It features a 20 hp Onan P220G 2-cylinder air-cooled gasoline engine with a 781 cc displacement. The tractor uses a belt-driven hydrostatic Eaton 1100-032 transmission with infinite forward and reverse speeds. It has a weight of 646 lbs and lawn/turf tires sized 16x6.50-8 front and 23x9.50-12 rear. The tractor includes a mid PTO with mechanical clutch and offers various attachments including 36", 42", and 48" mid-mount mower decks, a snowblower, and a blade. Electrical system is 12 volts with a 20 amp alternator and 260 CCA battery. The Toro 520 is essentially the same as the Wheel Horse 520-H model.
Power20 hp
Founded36/42/48" deck
Model520

Technical Specifications

Detailed specifications and technical data for Toro 520

Engine
Typegasoline
ModelOnan P220G
Power20 hp (14.9 kW)
Coolingair-cooled
Idle RPM1400-3600
Cylinders2-cylinder
Fuel tank3 gal (11.4 L)
Rated RPM3600
SparkplugChampion RS14YC
Bore/Stroke3.2580x2.875 inches (83 x 73 mm)
Compression7.0:1
Displacement781 cc (47.7 ci)
Oil capacity1.7 qts (1.6 L)
Sparkplug gap0.025 inches (0.635 mm)
Starter volts12
Chassis
DriveTwo-wheel drive
BrakesMechanical band brakes
SteeringManual steering
Operator stationOpen operator station
Dimensions
Width38 inches (96 cm)
Height45.5 inches (115 cm)
Length65 inches (165 cm)
Weight646 lbs (293 kg)
Rear tire23x9.50-12
Front tire16x6.50-8
Electrical
Groundnegative
Battery CCA260
Battery volts12
Charging amps20
Charging systemalternator
Production
TypeGarden tractor
Built inSouth Bend, Indiana, USA
Years made1990 - 1997
ManufacturerToro
Attachments
Blade48 inches width (121 cm), front-mount
Snowblower42 inches width (106 cm), two-stage, front-mount
36" mid-mount mower deck36 inches (91 cm), hydraulic lift, right-discharge, 102 lbs (46 kg)
42" mid-mount mower deck42 inches (106 cm), 3-blade, hydraulic lift, right-discharge, 135 lbs (61 kg)
48" mid-mount mower deck48 inches (121 cm), 3-blade, hydraulic lift, right-discharge, 168 lbs (76 kg)
Transmission
Typebelt-driven hydrostatic
Gearsinfinite forward and reverse
ModelEaton 1100-032
Oil typeSAE 10W-30
Oil capacity5 qts (4.7 L)
Power Take-off (PTO)
Typeindependent
Clutchmechanical
LocationMid PTO