Search
Sears GT/18 vs Sears GT/19.9 917.25708
Verdict: Sears GT/18 vs Sears GT/19.9 917.25708
The Sears GT/18 and the Sears GT/19.9 917.25708 are both lawn tractors — here is how they stack up on the figures that matter. Sears GT/19.9 917.25708 leads on rated power with 20 hp against 18 hp. Sears GT/18 is the lighter machine (280 kg vs 288 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. In short: choose the Sears GT/19.9 917.25708 for outright pulling power, or the Sears GT/18 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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
18 hp
20 hp
Confidence
40%
40%
Guide price
—
—
Overview
Distributor
SearsReference
SearsReference
Manufacturer
RoperReference
RoperReference
air-cooled horizontal-shaft opposed twinReference
Three gears (1-3) plus reverse (R) in two ranges (low/high).Reference
Variants
GT/18
gearReference
—
GT18H
hydrostaticReference
—
Engine
Fuel tank
12.3 LReference
12.3 LReference
Displacement
47.7 ciReference
52.2 ciReference
Bore/Stroke
83 x 73 mmReference
90 x 67 mmReference
Power (gross)
13.4 kWReference
14.8 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
4.7 LReference
4.7 LReference
Oil change
480 hReference
480 hReference
Compression
—
6.5:1Reference
Rated RPM
—
3600Reference
Transmission
Transmission
PeerlessReference
PeerlessReference
Type
belt-driven gearReference
belt-driven gearReference
Gears
6 forward and 2 reverseReference
6 forward and 2 reverseReference
Oil type
SAE 30Reference
SAE 30Reference
PTO & Hydraulics
Front PTO
independentReference
independentReference
Clutch
mechanical idler pulleyReference
mechanical idler pulleyReference
Dimensions
Weight
280 kgReference
288 kgReference
Front tire
16x6.50-8Reference
16x6.50-8Reference
Rear tire
23x10.00-12Reference
23x10.00-12Reference
Lawn/turf front
16x6.50-8Reference
16x6.50-8Reference
Lawn/turf rear
23x10.00-12Reference
23x10.00-12Reference
Length
173 cmReference
173 cmReference
Width
92 cmReference
92 cmReference
Height
101 cmReference
101 cmReference
Shipping weight
280 kgReference
288 kgReference
Sears GT/18 attachments
GT/18 Serial Numbers
1978
917.25706 (model code)Reference
—
1979
917.25711 (model code)Reference
—
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Charging amps
15Reference
15Reference
Battery volts
12Reference
12Reference
Attachment overview
Sears GT/19.9 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.