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Toro Proline 620-Z vs Toro SS4235 74624
Verdict: Toro Proline 620-Z vs Toro SS4235 74624
The Toro Proline 620-Z 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 1993). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
Tune the fit score
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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-cooled vertical-shaft opposed-twinReference
air-cooled vertical-shaft V-TwinReference
Engine
Displacement
48 ciReference
36.8 ciReference
Bore/Stroke
83 x 73 mmReference
73 x 72 mmReference
Power
14.9 kWReference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Fuel tank
—
11.4 LReference
Power (gross)
—
14.9 kWReference
Oil capacity
—
1.6 LReference
Sparkplug
—
NGK BPR4ESReference
Sparkplug gap
—
0.762 mmReference
Transmission
Transmission
Eaton 781Reference
Hydro-Gear ZT-2100Reference
Type
hydrostaticReference
hydrostaticReference
Gears
infinite forward and reverseReference
infinite forward and reverse (2-range)Reference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
electricReference
electricReference
Dimensions
Wheelbase
106 cmReference
—
Weight
326 kgReference
—
Front tire
11x4.00-5Reference
11x4Reference
Rear tire
18x9.50-8Reference
18x7.5Reference
Lawn/turf front
11x4.00-5Reference
11x4Reference
Lawn/turf rear
18x9.50-8Reference
18x7.5Reference
Length
182 cmReference
185 cmReference
Width
101 cmReference
—
Height
104 cmReference
102 cmReference
Front axle
—
CastersReference
Toro 620-Z attachments
620-Z Serial Numbers
Location:
Serial number plate on the left side of the machine, behind the left drive wheel.Reference
—
Electrical
Ground
negativeReference
negativeReference
Battery CCA
280Reference
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.