Compare/Simplicity Serf 515 vs Simplicity Serf 535

Simplicity Serf 515 vs Simplicity Serf 535

Verdict: Simplicity Serf 515 vs Simplicity Serf 535

The Simplicity Serf 515 and the Simplicity Serf 535 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 228 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Simplicity Serf 535 is the newer design (1970 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.

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

Simplicity (a part of Allis Chalmers)Reference

air-cooledReference

air-cooled vertical-shaftReference

Engine

Displacement

12.57 ciReference

Bore/Stroke

65 x 62 mmReference

Power

3.7 kWReference

—

Fuel system

carburetorReference

Starter type

manual recoilReference

—

Oil capacity

0.9 LReference

Fuel tank

—

1.9 LReference

Power (gross)

—

3.7 kWReference

Starter

—

electricReference

Starter volts

—

12Reference

Transmission

Gears

2 forward and 1 reverseReference

3 forward and 1 reverseReference

Oil type

—

SAE 90Reference

Dimensions

Weight

29 kgReference

112 kgReference

Front tire

4.00x6Reference

4.10/3.50-4Reference

Rear tire

4.80/4.00x8Reference

16x6.50-8Reference

Lawn/turf front

4.00x6Reference

4.10/3.50-4Reference

Lawn/turf rear

4.80/4.00x8Reference

16x6.50-8Reference

Length

130 cmReference

Width

66 cmReference

Shipping weight

116 kgReference

—

Wheelbase

—

94 cmReference

Height (steering wheel)

—

81 cmReference

Simplicity Serf 515 attachments

Attachment overview

28" Mower deck

Type

belt-driven gearReference

Cutting width

71 cmReference

Cut height

3 to 8 cmReference

4 to 7 cmReference

Overall width

—

75 cmReference

PTO & Hydraulics

Mid PTO

—

independentReference

Clutch

—

manualReference

Simplicity Serf 535 attachments

Electrical

Ground

—

negativeReference

Battery volts

—

12Reference

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.