Toro 520

Toro 520 lawn tractor photo
1990 - 1997
Garden tractor

Note: the Toro model 520 is the same as the Wheel Horse 520-H. The following data is from the 520-H listing.
Garden tractor
Built in South Bend, Indiana, USA
Toro 520 Engine
20HP Onan 781cc 2-cyl gasoline
Fuel tank3 gal
11.4 L
Engine details ...
Two-wheel drive
Manual steering
Mechanical band brakes
Open operator station.
Power Take-off (PTO)
Mid PTOindependent
Dimensions & Tires
Weight646 lbs
293 kg
Front tire16x6.50-8
Rear tire23x9.50-12
Full dimensions and tires ...
Toro 520 attachments
36" mid-mount mower deck
42" mid-mount mower deck
48" mid-mount mower deck
Attachment details ...
520 Serial Numbers
Location:Serial number plate on the rear fender, below the seat. Model codes in parentheses.
1988 520-H (31-20OE01)
1988 520-HC (C1-20OE01)
1989 520-H (31-20OE02)
1989 520-HC (C1-20OE02)
199339000001 (73501)
199449000001 (73501)
199559000001 (73501)
199669000001 (73501)
199669000001 (73502)
19977900001 (73502)

FAQ: How to read a serial number table.
Charging systemalternator
Charging amps20
Battery CCA260
Battery volts12
Page information
Peter Easterlund - owner of
Copyright 2023®
TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999.
Peter Easterlund - owner/author
Updated on January 8, 2014 - Official operator manuals for purchase or download from Toro.
©2000-2023 -®. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.