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Simplicity Yeoman 627 vs Simplicity Yeoman 637
Verdict: Simplicity Yeoman 627 vs Simplicity Yeoman 637
The Simplicity Yeoman 627 and the Simplicity Yeoman 637 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 7 hp. Simplicity Yeoman 637 is the lighter machine (268 kg vs 281 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Simplicity Yeoman 637 is the newer design (1972 vs 1969). 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
7 hp
7 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
Displacement
16.79 ciReference
16.79 ciReference
Bore/Stroke
76 x 60 mmReference
76 x 60 mmReference
Power (gross)
5.2 kWReference
5.2 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Fuel tank
—
3.8 LReference
Oil capacity
—
1.0 LReference
Transmission
Gears
3 forward and 1 reverseReference
3 forward and 1 reverseReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
manualReference
manualReference
Dimensions
Wheelbase
92 cmReference
92 cmReference
Weight
136 kgReference
130 kgReference
Front tire
4.10/3.50x6Reference
4.10/3.50x6Reference
Rear tire
16x6.50-8Reference
16-6.50x8Reference
Lawn/turf front
4.10/3.50x6Reference
4.10/3.50x6Reference
Lawn/turf rear
16x6.50-8Reference
16-6.50x8Reference
Length
135 cmReference
135 cmReference
Width
71 cmReference
—
Height (steering wheel)
83 cmReference
83 cmReference
Height (hood)
72 cmReference
72 cmReference
Rear tread
54 cmReference
54 cmReference
Simplicity Yeoman 627 attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Attachment overview
32" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
81 cmReference
81 cmReference
Overall width
91 cmReference
91 cmReference
Cut height
4 to 7 cmReference
4 to 7 cmReference
Simplicity Yeoman 637 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.