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Simplicity 450 vs Simplicity Serf 515
Verdict: Simplicity 450 vs Simplicity Serf 515
The Simplicity 450 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 newer design (1968 vs 1958). 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
SimplicityReference
Simplicity (a part of Allis Chalmers)Reference
air-cooledReference
air-cooledReference
Engine
Displacement
14.1 ciReference
12.57 ciReference
Bore/Stroke
70 x 60 mmReference
65 x 62 mmReference
Power (gross)
3.4 kWReference
—
Starter
electricReference
—
Starter volts
12Reference
—
Power
—
3.7 kWReference
Fuel system
—
carburetorReference
Starter type
—
manual recoilReference
Oil capacity
—
0.9 LReference
Transmission
Gears
2 forward and reverseReference
2 forward and 1 reverseReference
Dimensions
Front tire
10x2.50Reference
4.00x6Reference
Rear tire
4.00x8Reference
4.80/4.00x8Reference
Lawn/turf front
10x2.50Reference
4.00x6Reference
Lawn/turf rear
4.00x8Reference
4.80/4.00x8Reference
Weight
—
29 kgReference
Length
—
130 cmReference
Width
—
66 cmReference
Shipping weight
—
116 kgReference
Simplicity 450 attachments
Attachment overview
24" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
60 cmReference
71 cmReference
Cut height
3 to 8 cmReference
3 to 8 cmReference
Simplicity Serf 515 attachments
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.