The Sears SS/18 Twin 917.25960 is a lawn tractor with an approximate power output of 18 horsepower, a typical rating for its class. It was manufactured in 1976. The model features a 2-cylinder, air-cooled petrol engine and a 6-speed gearbox with two-wheel drive. Its operating weight is listed as 320 kg, and it is suited for use on areas of up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
18 hp
Weight
320 kg
Catalogue coverage
Variants represented
2
Richest spec table
44 rows
Recorded power
18 hp
Recorded weight
320 kg
Transmissions
6-speed gear
Production years
1976-1976
Verified variants
0
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Overview
DistributorSearsReference
ManufacturerRoperReference
Garden tractorReference
Original price was $1,884 in 1976Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
18HP Onan 816cc 2-cyl gasolineReference
Fuel tank13.2 LReference
Onan BG-MSReference
gasolineReference
2-cylinderReference
air-cooled horizontal-shaft opposed-twinReference
Displacement49.8 ciReference
Bore/Stroke83 x 76 mmReference
Power (gross)13.4 kWReference
StarterelectricReference
Starter volts12Reference
Transmission
6-speed gearReference
Typebelt-driven gearReference
Gears6 forward and 2 reverseReference
Three gears (1-3) plus reverse (R) with two ranges (low/high).Reference
PTO & Hydraulics
TypeSears 3-point hitchReference
Dimensions
Weight320 kgReference
Front tire16x6.50-8Reference
Rear tire23x10.00-12Reference
Lawn/turf front16x6.50-8Reference
Lawn/turf rear23x10.00-12Reference
Length173 cmReference
Width92 cmReference
Height (steering wheel)105 cmReference
Shipping weight320 kgReference
Sears SS/18 Twin attachments
42" mid-mount mower deckReference
48" mid-mount mower deckReference
snowblowerReference
bladeReference
front-end loaderReference
Electrical
GroundnegativeReference
Battery volts12Reference
Attachment overview
42" mid-mount mower deckReference
48" mid-mount mower deckReference
SnowblowerReference
BladeReference
Front-end loaderReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
