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Simplicity 7790H vs Simplicity Axion 18.5/33
Verdict: Simplicity 7790H vs Simplicity Axion 18.5/33
The Simplicity 7790H and the Simplicity Axion 18.5/33 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 19 hp. Simplicity Axion 18.5/33 is the lighter machine (226 kg vs 312 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. 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
19 hp
19 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
SimplicityReference
Simplicity (a part of Briggs & Stratton)Reference
air-cooledReference
1-cylinderReference
Final drives
spur gearReference
—
Steering
power optionalReference
—
Engine
Fuel tank
11.4 LReference
11.4 LReference
Displacement
48.21 ciReference
—
Bore/Stroke
86 x 68 mmReference
—
Power
13.8 kWReference
13.8 kWReference
Air cleaner
dryReference
—
Rated RPM
2800Reference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil change
300 hReference
—
Transmission
Gears
infinite forward and reverseReference
infinite forward and reverseReference
Oil capacity
2.8 LReference
—
Transmission
—
Hydro-Gear EZTReference
PTO & Hydraulics
Type
belt-driven hydrostaticReference
hydrostaticReference
Mid PTO
—
independentReference
Clutch
—
electricReference
Dimensions
Wheelbase
122 cmReference
114 cmReference
Weight
312 kgReference
226 kgReference
Front tire
16-6.50x8Reference
11x4-4Reference
Rear tire
23-10.50x12Reference
18x8.50Reference
Lawn/turf front
16-6.50x8Reference
11x4-4Reference
Lawn/turf rear
23-10.50x12Reference
18x8.50Reference
Length
177 cmReference
154 cmReference
Width
98 cmReference
—
Height (steering wheel)
100 cmReference
—
Height (hood)
90 cmReference
—
Height
—
114 cmReference
Simplicity 7790H attachments
7790H Serial Number Location
Links
Electrical
Ground
negativeReference
negativeReference
Charging system
flywheel alternatorReference
—
Charging amps
16Reference
—
Battery CCA
500Reference
230Reference
Battery volts
12Reference
12Reference
Battery Group
24Reference
—
Attachment overview
Simplicity Axion 18.5/33 attachments
33" Mower deck
Cutting width
—
83 cmReference
Overall width
—
96 cmReference
Cut height
—
3 to 9 cmReference
Cut positions
—
infiniteReference
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.