Search
Simplicity 12RTG vs Simplicity Sovereign 3212H
Verdict: Simplicity 12RTG vs Simplicity Sovereign 3212H
The Simplicity 12RTG and the Simplicity Sovereign 3212H are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 12 hp. Simplicity 12RTG is the newer design (1992 vs 1970). 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
Fit & specs
Simplicity
62
Fit score
Best match
Clear
Simplicity
62
Fit score
Best match
Clear
Rated power
12 hp
12 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
SimplicityReference
SimplicityReference
air-cooledReference
air-cooled horizontal-shaftReference
Variants
990570
—
gear with manual liftReference
990571
—
gear with power liftReference
990572
—
hydro with manual liftReference
990573
—
hydro with power liftReference
126RTG
gearReference
—
12RTH
hydrostaticReference
—
Engine
Fuel tank
8.3 LReference
—
Displacement
28.4 ciReference
30.16 ciReference
Bore/Stroke
87 x 78 mmReference
87 x 83 mmReference
Power (gross)
8.9 kWReference
—
Rated RPM
3600Reference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
1.4 LReference
—
Power
—
8.9 kWReference
Transmission
Gears
5 forward and 1 reverseReference
infinite forward and reverseReference
PTO & Hydraulics
Mid PTO
indepenentReference
independentReference
Clutch
manualReference
mechanial idler pulleyReference
Dimensions
Wheelbase
115 cmReference
121 cmReference
Weight
186 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
160 cmReference
182 cmReference
Width
86 cmReference
87 cmReference
Height (steering wheel)
100 cmReference
—
Clearance (front axle)
22 cmReference
—
Clearance (rear axle)
15 cmReference
—
Height
—
95 cmReference
Simplicity 12RTG attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
36" Mower deck
Type
belt-driven gearReference
hydrostaticReference
Cutting width
91 cmReference
—
Cut height
3 to 8 cmReference
—
Simplicity 3212H attachments
Attachment overview
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.