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Sears 16/6 917.25170 vs Sears ST/16 917.25740
Verdict: Sears 16/6 917.25170 vs Sears ST/16 917.25740
The Sears 16/6 917.25170 and the Sears ST/16 917.25740 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 16 hp. Sears 16/6 917.25170 is the lighter machine (275 kg vs 303 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Sears 16/6 917.25170 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
16 hp
16 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).Reference
Three gears (1-3) plus reverse (R) with two ranges (low and high).Reference
Engine
Fuel tank
13.2 LReference
—
Displacement
27.66 ciReference
27.66 ciReference
Bore/Stroke
89 x 73 mmReference
89 x 73 mmReference
Power (gross)
11.9 kWReference
11.9 kWReference
Rated RPM
3600Reference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil change
—
25 hReference
Sparkplug gap
—
0.762 mmReference
Intake valve clearance
—
0.127 mmReference
Exhaust valve clearance
—
0.254 mmReference
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
275 kgReference
303 kgReference
Front tire
16x6.50Reference
16x5.50Reference
Rear tire
23x9.50x12Reference
23x9.50Reference
Lawn/turf front
16x6.50Reference
16x5.50Reference
Lawn/turf rear
23x9.50x12Reference
23x9.50Reference
Length
171 cmReference
167 cmReference
Width
92 cmReference
92 cmReference
Height
101 cmReference
101 cmReference
Shipping weight
275 kgReference
303 kgReference
Wheelbase
—
110 cmReference
Sears 16/6 attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery AH
30Reference
—
Attachment overview
Sears ST/16 attachments
ST/16 Serial Number Location
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.