The Sears 18/6 Twin 917.25190 lawn tractor has a rated power of approximately 18 hp, a typical output for its class. Manufactured in 1977, this model features a 2-cylinder petrol air-cooled engine and two-wheel drive with a 6-speed gearbox. Its operating weight is listed at 285 kg, and it is suitable for operations 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
285 kg
Catalogue coverage
Variants represented
2
Richest spec table
47 rows
Recorded power
18 hp
Recorded weight
285 kg
Transmissions
6-speed gear
Production years
1977-1977
Verified variants
0
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Overview
DistributorSearsReference
ManufacturerRoperReference
Garden tractorReference
Original price was $1,979 in 1979Reference
Two-wheel driveReference
Manual steeringReference
Open operator station. Soft-side weather cab optional.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
Air cleanerfoam and paper elementsReference
Rated RPM3600Reference
StarterelectricReference
Starter volts12Reference
Transmission
6-speed gearReference
Typebelt-driven gearReference
Gears6 forward and 2 reverseReference
Three gears (1-3) plus reverse (R) in two ranges (low/high).Reference
PTO & Hydraulics
TypeSears 3-point hitchReference
Dimensions
Weight285 kgReference
Front tire16x6.50Reference
Rear tire23x10.50x12Reference
Lawn/turf front16x6.50Reference
Lawn/turf rear23x10.50x12Reference
Length173 cmReference
Width92 cmReference
Height105 cmReference
Shipping weight285 kgReference
Sears 18/6 Twin attachments
42" mid-mount mower deckReference
48" mid-mount mower deckReference
snowblowerReference
bladeReference
front-end loaderReference
Electrical
GroundnegativeReference
Battery volts12Reference
Battery AH30Reference
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.
