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Sears 12/6 917.25150 vs Sears ST/12 917.2573
Verdict: Sears 12/6 917.25150 vs Sears ST/12 917.2573
The Sears 12/6 917.25150 and the Sears ST/12 917.2573 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 12 hp. Sears 12/6 917.25150 is the lighter machine (254 kg vs 290 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Sears 12/6 917.25150 is the newer design (1977 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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Tell us about your operation
Fit & specs
Sears
62
Fit score
Best match
Clear
Sears
62
Fit score
Best match
Clear
Rated power
12 hp
12 hp
Confidence
40%
40%
Guide price
—
—
Overview
Distributor
SearsReference
SearsReference
Manufacturer
RoperReference
RoperReference
Three gears (1-3) plus reverse (R) in two ranges (low/high). Combined clutch/brake pedal.Reference
air-cooled horizontal-shaftReference
Engine
Fuel tank
6.6 LReference
—
Power (gross)
8.9 kWReference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Displacement
—
27.66 ciReference
Bore/Stroke
—
89 x 73 mmReference
Power
—
8.9 kWReference
Transmission
Gears
6 forward and 2 reverseReference
6 forward and 2 reverseReference
PTO & Hydraulics
Type
belt-driven gearReference
belt-driven gearReference
Mid PTO
—
independentReference
Clutch
—
manualReference
Dimensions
Weight
66 kgReference
290 kgReference
Front tire
6x5.50-8Reference
16x5.50Reference
Rear tire
23x8.50-12Reference
22.5x7.50Reference
Lawn/turf front
6x5.50-8Reference
16x5.50Reference
Lawn/turf rear
23x8.50-12Reference
22.5x7.50Reference
Length
161 cmReference
173 cmReference
Width
91 cmReference
92 cmReference
Height
99 cmReference
—
Shipping weight
254 kgReference
290 kgReference
Wheelbase
—
110 cmReference
Height (steering wheel)
—
111 cmReference
Sears 12/6 attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Attachment overview
42" Mower deck
Cutting width
106 cmReference
—
Sears ST/12 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.