The Sears ST/10 Deluxe 917.25920 is a lawn tractor with a 10 hp rating, making it relatively compact in its class. It was manufactured in 1976. Powered by a 1-cylinder petrol air-cooled engine, it features two-wheel drive with a 6-speed gearbox, and has a listed weight of 252 kg. It is designed 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
10 hp
Weight
252 kg
Catalogue coverage
Variants represented
2
Richest spec table
47 rows
Recorded power
10 hp
Recorded weight
252 kg
Transmissions
6-speed gear
Production years
1976-1976
Verified variants
0
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Overview
DistributorSearsReference
ManufacturerRoperReference
Garden tractorReference
Original price was $1,139 in 1976Reference
Early catalogs show this model as the ST/10 Deluxe 917.25920. Later advertising shows the ST/10X 917.25921.Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Variants
917.25920ST/10 DeluxeReference
917.25921ST/10XReference
Engine
10HP Tecumseh 388cc 1-cyl gasolineReference
Fuel tank6.6 LReference
Tecumseh HH100Reference
gasolineReference
1-cylinderReference
air-cooled horizontal-shaftReference
Displacement23.7 ciReference
Bore/Stroke84 x 70 mmReference
Power (gross)7.5 kWReference
StarterelectricReference
Starter volts12Reference
Transmission
6-speed gearReference
TransmissionPeerlessReference
Typebelt-driven gearReference
Gears6 forward and 2 reverseReference
Three gears, plus reverse, in two ranges.Reference
Dimensions
Weight252 kgReference
Front tire16x5.50x8Reference
Rear tire23x8.50x12Reference
Weight44 kgReference
Lawn/turf front16x5.50x8Reference
Lawn/turf rear23x8.50x12Reference
Length160 cmReference
Width86 cmReference
Shipping weight252 kgReference
Sears ST/10 Deluxe attachments
38" mid-mount mower deckReference
snowblowerReference
bladeReference
ST/10 Deluxe Serial Number Location
Serial number plate on top of the transmission, between the seat and gear shift.Reference
Electrical
GroundnegativeReference
Battery volts12Reference
Attachment overview
38" mid-mount mower deckReference
SnowblowerReference
BladeReference
38" Mower deck
Typemid-mount SearsReference
Type2-blade with manual liftReference
Cutting width96 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
