Compare/Simplicity Express 14.5G vs Simplicity Sovereign 3415H 990759

Simplicity Express 14.5G vs Simplicity Sovereign 3415H 990759

Verdict: Simplicity Express 14.5G vs Simplicity Sovereign 3415H 990759

The Simplicity Express 14.5G and the Simplicity Sovereign 3415H 990759 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 15 hp. Simplicity Express 14.5G is the lighter machine (206 kg vs 343 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Simplicity Sovereign 3415H 990759 holds more fuel (11.4 L vs 7.6 L) for longer stints between fills. Simplicity Express 14.5G is the newer design (1999 vs 1972). 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

15 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

SimplicityReference

Simplicity (a part of Allis Chalmers)Reference

air-cooled vertical-shaftReference

air-cooled horizontal-shaftReference

Engine

Fuel tank

7.6 LReference

11.4 LReference

Displacement

28.4 ciReference

32.4 ciReference

Bore/Stroke

87 x 78 mmReference

90 x 83 mmReference

Power (gross)

10.8 kWReference

11.2 kWReference

Rated RPM

3600Reference

—

Starter

electricReference

Starter volts

12Reference

Oil capacity

1.4 LReference

—

Transmission

Peerless MST 205Reference

—

Gears

5 forward and 1 reverseReference

infinite forward and reverseReference

Oil change

sealed unit, owner service is not recommendedReference

—

PTO & Hydraulics

Mid PTO

independentReference

Clutch

manualReference

mechanial idler pulleyReference

Dimensions

Weight

36 kgReference

343 kgReference

Front tire

15x6.0-6Reference

16x6.50-8Reference

Rear tire

18x8.5-8Reference

23x10.50-12Reference

Lawn/turf front

15x6.0-6Reference

16x6.50-8Reference

Lawn/turf rear

18x8.5-8Reference

23x10.50-12Reference

Length

172 cmReference

170 cmReference

Width

91 cmReference

Height (steering wheel)

104 cmReference

—

Height (hood)

86 cmReference

—

Wheelbase

—

121 cmReference

Height

—

99 cmReference

Simplicity Express 14.5G attachments

Express 14.5G Serial Numbers

Location:

Left-front of tractor frame, near front axle.Reference

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Electrical

Ground

negativeReference

Battery volts

12Reference

Attachment overview

38" Mower deck

Type

belt-driven gearReference

hydrostaticReference

Cutting width

96 cmReference

—

Overall width

125 cmReference

—

Cut height

3 to 9 cmReference

—

Variants

3415S

—

shuttleReference

3415H

—

hydrostaticReference

Simplicity 3415H attachments

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.