Compare/Simplicity 3105 vs Simplicity Serf 525

Simplicity 3105 vs Simplicity Serf 525

Verdict: Simplicity 3105 vs Simplicity Serf 525

The Simplicity 3105 and the Simplicity Serf 525 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 5 hp. Simplicity 3105 is the newer design (1980 vs 1969). 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

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Simplicity

Fit score

Best match

Clear

Simplicity

Fit score

Best match

Clear

Rated power

5 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

SimplicityReference

Simplicity (a part of Allis Chalmers)Reference

air-cooled vertical-shaftReference

air-cooledReference

Engine

Fuel tank

1.9 LReference

—

Displacement

12.57 ciReference

Bore/Stroke

65 x 62 mmReference

Power (gross)

3.7 kWReference

—

Air cleaner

oiled foamReference

—

Rated RPM

3600Reference

—

Starter type

manual recoilReference

—

Oil capacity

1.3 LReference

0.9 LReference

Power

—

3.7 kWReference

Fuel system

—

carburetorReference

Starter

—

electricReference

Starter volts

—

12Reference

Transmission

Tecumseh 740Reference

—

Gears

5 forward and 1 reverseReference

3 forward and 1 reverseReference

Dimensions

Front tire

4.10x3.5-4Reference

—

Rear tire

16x6.50-8Reference

4.80/4.00x8Reference

Lawn/turf front

4.10x3.5-4Reference

—

Lawn/turf rear

16x6.50-8Reference

4.80/4.00x8Reference

Length

—

130 cmReference

Width

—

66 cmReference

Simplicity 3105 attachments

3105 Serial Numbers

Location:

Serial number decal to the front of, and below, the seat.Reference

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26" Mower deck

Type

belt-driven gearReference

Cutting width

66 cmReference

5 cmReference

Cut height

3 to 11 cmReference

—

Cut positions

6Reference

—

Simplicity Serf 525 attachments

Electrical

Ground

—

negativeReference

Battery volts

—

12Reference

Attachment overview

2" 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.