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Simplicity Sovereign 3416H 990871 vs Simplicity ZT16
Verdict: Simplicity Sovereign 3416H 990871 vs Simplicity ZT16
The Simplicity Sovereign 3416H 990871 and the Simplicity ZT16 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 16 hp. Simplicity Sovereign 3416H 990871 holds more fuel (11.4 L vs 7.6 L) for longer stints between fills. Simplicity ZT16 is the newer design (1999 vs 1973). 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
16 hp
16 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
SimplicityReference
SimplicityReference
air-cooled horizontal-shaftReference
air-cooled vertical-shaftReference
Steering
—
hydrostatic differentialReference
Variants
3416S
shuttleReference
—
3416H
hydrostaticReference
—
ZT 1644
—
similar Massey Ferguson modelReference
Engine
Fuel tank
11.4 LReference
7.6 LReference
Displacement
32.4 ciReference
27.9 ciReference
Bore/Stroke
90 x 83 mmReference
87 x 77 mmReference
Power (gross)
11.9 kWReference
11.9 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Rated RPM
—
3400Reference
Transmission
Type
hydrostaticReference
hydrostaticReference
Gears
infinite forward and reverseReference
infinite forward and reverseReference
Transmission
—
Eaton 778Reference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
mechanial idler pulleyReference
electricReference
Mid PTO Type
—
pulleyReference
Dimensions
Wheelbase
121 cmReference
111 cmReference
Front tire
16x6.50-8Reference
13x5.0-6Reference
Rear tire
23x10.50-12Reference
18x9.5-8Reference
Lawn/turf front
16x6.50-8Reference
13x5.0-6Reference
Lawn/turf rear
23x10.50-12Reference
18x9.5-8Reference
Length
170 cmReference
156 cmReference
Width
91 cmReference
104 cmReference
Height (steering wheel)
99 cmReference
110 cmReference
Weight
—
281 kgReference
Simplicity 3416H attachments
3416H Serial Number Location
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Attachment overview
Simplicity ZT16 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.