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Wheel Horse 520 Specifications

General Information

Tractor Model ....................... Wheel Horse 520-8
Tractor Type ....................... Garden tractor
Manufacture Years ....................... 1990
Series ....................... 500
Fuel Type ....................... Gasoline
Attachments ....................... Mower Deck, Snow Blower, Blade

Wheel Horse 520 Engine

Engine Model ....................... Onan P220G
Engine Type ....................... 4 Stroke horizontal-shaft opposed twin air-cooled gasoline
Number of Cylinders ....................... 2
Cylinder Bore, in (mm) ....................... 3.25 (83.0)
Piston Stroke, in (mm) ....................... 2.88 (73.0)
Total Displacement, cu. in (cc) ....................... 47.7 (781)
Gross Power, Hp (kw) ....................... 20.0 (14.9)
Maximum Speed, rpm ....................... 3600
Idle Speed, rpm ....................... 1350
Crankshaft Alignment ....................... Horizontal
Cylinder Material ....................... Aluminum
Compression Ratio ....................... 7.0:1
Fuel System Type ....................... Carburetor
Fuel Pump Type ....................... Pulse
Fuel Delivery ....................... Fixed Jet Carburetor
Cylinder Compression, psi (kPa) ....................... 75-115 (517-793)
Lubricating System Type ....................... Full Pressure with filter
Ignition System ....................... Electronic
Spark Plugs ....................... Champion RS14YC
Spark Plug Gap, in (mm) ....................... 0.025 (0.64)
Ignition Timing, BTC ....................... 20 deg
Fuel Tank Capacity, gal (L) ....................... 2.3 (8.5)
Oil Capacity, qts, (L) ....................... 1.7 (1.6)

Electrical System

Electrical System Rating, Volts ....................... 12
Charging System Rating, Amps ....................... 20
Starter Type ....................... Electric
Number of Batteries ....................... 1
Battery Rating ....................... 12V, 260 CCA
Electric Ground ....................... Negative

Power Take-Off

Front PTO Operational Type ....................... Independent
Front PTO Clutch ....................... Mechanical
Front PTO Speed, rpm ....................... 3200

Wheel Horse 520 Transmission

Transmission Type ....................... Belt-driven gear
Gearbox Type ....................... 6F/2R
Number of Forward Gears ....................... 6
Number of Reverse Gears ....................... 2
Oil Capacity, qts, (L) ....................... 2.0 (1.9)
Maximum Forward Speed, mph (kph) ....................... 5.5 (8.8)
Maximum Reverse Speed, mph (kph) ....................... 2.6 (4.2)

Wheels and Tires

Drive Wheels ....................... 2WD 4x2
Steering Configuration ....................... Front steer
Steering System ....................... Manual
Brakes Type ....................... Mechanical band
Front Tire Size ....................... 16x7.50-8
Rear Tire Size ....................... 23x10.50-12

Dimensions and Weight

Wheelbase, in (mm) ....................... 47.5 (1200)
Length, in (mm) ....................... 67 (1700)
Height, in (mm) ....................... 46.5 (1175)
Overall Width, in (mm) ....................... 40.5 (1020)
Weight (w/o Mower Deck), lb (kg) ....................... 605 (275)

Wheel Horse 520 Attachments

42" Mower Deck

Mower Deck Type ....................... Mid-mount, right-discharge
Number of Blades ....................... 3
Cutting Width, in (mm) ....................... 42 (1060)
Lift System ....................... Manual
Weight, lb (kg) ....................... 135 (61)

48" Mower Deck

Mower Deck Type ....................... Mid-mount, right-discharge
Number of Blades ....................... 3
Cutting Width, in (mm) ....................... 48 (1215)
Lift System ....................... Manual
Weight, lb (kg) ....................... 168 (76)

60" Mower Deck

Mower Deck Type ....................... Mid-mount
Number of Blades ....................... 3
Cutting Width, in (mm) ....................... 60 (1520)
Lift System ....................... Manual
Weight, lb (kg) ....................... 220 (110)

42" Snowblower

Snowblower Type ....................... Front-mount, single-stage
Clearing Width, in (mm) ....................... 42 (1060)
Lift System ....................... Manual

Front Blade

Blade Type ....................... Front-mount
Width, in (mm) ....................... 48 (1215)
Lift System ....................... Manual
Angle ....................... Manual