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Toro 520 vs Toro SS4235 74624
Verdict: Toro 520 vs Toro SS4235 74624
The Toro 520 and the Toro SS4235 74624 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 20 hp. Toro SS4235 74624 is the newer design (2011 vs 1990). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Toro
62
Fit score
Best match
Clear
Toro
62
Fit score
Best match
Clear
Rated power
20 hp
20 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
ToroReference
ToroReference
air-cooledReference
air-cooled vertical-shaft V-TwinReference
Engine
Fuel tank
11.4 LReference
11.4 LReference
Displacement
47.7 ciReference
36.8 ciReference
Bore/Stroke
83 x 73 mmReference
73 x 72 mmReference
Power
14.9 kWReference
—
Compression
7.0:1Reference
—
Rated RPM
3600Reference
—
Idle RPM
1400-3600Reference
—
Starter volts
12Reference
12Reference
Oil capacity
4.7 LReference
1.6 LReference
Sparkplug
Champion RS14YCReference
NGK BPR4ESReference
Sparkplug gap
0.635 mmReference
0.762 mmReference
Power (gross)
—
14.9 kWReference
Starter
—
electricReference
Transmission
Transmission
Eaton 1100-032Reference
Hydro-Gear ZT-2100Reference
Type
belt-driven hydrostaticReference
hydrostaticReference
Gears
infinite forward and reverseReference
infinite forward and reverse (2-range)Reference
Oil type
SAE 10W-30Reference
—
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
mechanicalReference
electricReference
Dimensions
Weight
293 kgReference
—
Front tire
16x6.50-8Reference
11x4Reference
Rear tire
23x9.50-12Reference
18x7.5Reference
Lawn/turf front
16x6.50-8Reference
11x4Reference
Lawn/turf rear
23x9.50-12Reference
18x7.5Reference
Length
165 cmReference
185 cmReference
Width
96 cmReference
—
Height
115 cmReference
102 cmReference
Front axle
—
CastersReference
Toro 520 attachments
520 Serial Numbers
1988
520-HC (C1-20OE01)Reference
—
1989
520-HC (C1-20OE02)Reference
—
1990
-unknown-Reference
—
1991
-unknown-Reference
—
1992
-unknown-Reference
—
1993
39000001 (73501)Reference
—
1994
49000001 (73501)Reference
—
1995
59000001 (73501)Reference
—
1996
69000001 (73502)Reference
—
1997
7900001 (73502)Reference
—
Location:
Serial number plate on the rear fender, below the seat. Model codes in parentheses.Reference
—
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
—
Charging amps
20Reference
—
Battery CCA
260Reference
195Reference
Battery volts
12Reference
12Reference
Attachment overview
Variants
74625
—
California emissionsReference
Toro SS4235 attachments
SS4235 Serial Numbers
2011
—
311000001Reference
2012
—
312000001Reference
2013
—
313000001Reference
2014
—
314000001Reference
42" Mower deck
Cutting width
—
106 cmReference
Overall width
—
136 cmReference
Cut height
—
3 to 11 cmReference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.