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Simplicity 3005 Wonder Boy vs Simplicity Serf 515
Verdict: Simplicity 3005 Wonder Boy vs Simplicity Serf 515
The Simplicity 3005 Wonder Boy and the Simplicity Serf 515 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 5 hp. Simplicity Serf 515 is the lighter machine (116 kg vs 121 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Simplicity 3005 Wonder Boy is the newer design (1975 vs 1968). 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
Simplicity
62
Fit score
Best match
Clear
Simplicity
62
Fit score
Best match
Clear
Rated power
5 hp
5 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Simplicity (a part of Allis Chalmers)Reference
Simplicity (a part of Allis Chalmers)Reference
air-cooled vertical-shaftReference
air-cooledReference
Variants
405
similar Allis Chalmers modelReference
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Engine
Fuel tank
2.8 LReference
—
Displacement
12.5 ciReference
12.57 ciReference
Bore/Stroke
65 x 62 mmReference
65 x 62 mmReference
Power
3.7 kWReference
3.7 kWReference
Starter type
electricReference
manual recoilReference
Fuel system
—
carburetorReference
Oil capacity
—
0.9 LReference
Transmission
Gears
2 forward and 1 reverseReference
2 forward and 1 reverseReference
Dimensions
Wheelbase
105 cmReference
—
Weight
121 kgReference
29 kgReference
Front tire
4.10/3.50x4Reference
4.00x6Reference
Rear tire
16.00/6.50x8Reference
4.80/4.00x8Reference
Lawn/turf front
4.10/3.50x4Reference
4.00x6Reference
Lawn/turf rear
16.00/6.50x8Reference
4.80/4.00x8Reference
Length
147 cmReference
130 cmReference
Width
71 cmReference
66 cmReference
Height (steering wheel)
99 cmReference
—
Height (hood)
74 cmReference
—
Shipping weight
121 kgReference
116 kgReference
Simplicity 3005 Wonder Boy attachments
26" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
66 cmReference
71 cmReference
Overall width
91 cmReference
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Cut height
3 to 9 cmReference
3 to 8 cmReference
Simplicity Serf 515 attachments
Attachment overview
28" Mower deck
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.