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Simplicity Broadmoor 728 990577 vs Simplicity Yeoman 648
Verdict: Simplicity Broadmoor 728 990577 vs Simplicity Yeoman 648
The Simplicity Broadmoor 728 990577 and the Simplicity Yeoman 648 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 8 hp. Simplicity Yeoman 648 is the lighter machine (130 kg vs 152 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Simplicity Yeoman 648 is the newer design (1973 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.
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Fit & specs
Simplicity
62
Fit score
Best match
Clear
Simplicity
62
Fit score
Best match
Clear
Rated power
8 hp
8 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Simplicity (a part of Allis Chalmers)Reference
Simplicity (a part of Allis Chalmers)Reference
air-cooled vertical-shaftReference
air-cooled vertical-shaftReference
Engine
Fuel tank
3.8 LReference
—
Displacement
19.44 ciReference
19.44 ciReference
Bore/Stroke
76 x 70 mmReference
76 x 70 mmReference
Power (gross)
6.0 kWReference
6.0 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
0.9 LReference
—
Transmission
Gears
3 forward and 1 reverseReference
3 forward and 1 reverseReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
mechanicalReference
manualReference
Dimensions
Wheelbase
105 cmReference
92 cmReference
Weight
39 kgReference
130 kgReference
Front tire
5.30x6Reference
4.10/3.50x6Reference
Rear tire
18x9.50-8Reference
16-7.50x8Reference
Lawn/turf front
5.30x6Reference
4.10/3.50x6Reference
Lawn/turf rear
18x9.50-8Reference
16-7.50x8Reference
Length
147 cmReference
135 cmReference
Width
74 cmReference
76 cmReference
Height (steering wheel)
85 cmReference
83 cmReference
Height (hood)
—
72 cmReference
Rear tread
—
54 cmReference
Simplicity Broadmoor 728 attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery AH
32Reference
—
Attachment overview
36" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
91 cmReference
81 cmReference
Overall width
101 cmReference
—
Cut height
4 to 7 cmReference
4 to 7 cmReference
Simplicity Yeoman 648 attachments
32" Mower deck
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.