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Sears GT-16 917.25709 vs Sears ST/16 917.25740
Verdict: Sears GT-16 917.25709 vs Sears ST/16 917.25740
The Sears GT-16 917.25709 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 GT-16 917.25709 is the lighter machine (272 kg vs 303 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Sears GT-16 917.25709 is the newer design (1979 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.
Tune the fit score
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
air-cooledReference
Three gears (1-3) plus reverse (R) with two ranges (low and high).Reference
Engine
Fuel tank
6.6 LReference
—
Power
11.9 kWReference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Displacement
—
27.66 ciReference
Bore/Stroke
—
89 x 73 mmReference
Power (gross)
—
11.9 kWReference
Oil change
—
25 hReference
Sparkplug gap
—
0.762 mmReference
Intake valve clearance
—
0.127 mmReference
Exhaust valve clearance
—
0.254 mmReference
Transmission
Transmission
VaridriveReference
—
Gears
3 forward and 1 reverseReference
6 forward and 2 reverseReference
Dimensions
Weight
67 kgReference
303 kgReference
Front tire
16.0x5.50Reference
16x5.50Reference
Rear tire
23.0x8.50Reference
23x9.50Reference
Lawn/turf front
16.0x5.50Reference
16x5.50Reference
Lawn/turf rear
23.0x8.50Reference
23x9.50Reference
Length
165 cmReference
167 cmReference
Width
90 cmReference
92 cmReference
Height
100 cmReference
101 cmReference
Shipping weight
272 kgReference
303 kgReference
Wheelbase
—
110 cmReference
Sears GT-16 attachments
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
—
Charging amps
20Reference
—
Battery volts
12Reference
12Reference
42" Mower deck
Type
belt-driven gear with mechanical CVTReference
belt-driven gearReference
Cutting width
106 cmReference
—
PTO & Hydraulics
Mid PTO
—
independentReference
Clutch
—
manualReference
Sears ST/16 attachments
ST/16 Serial Number Location
Attachment overview
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.