Sears lawn tractors

Sears ST/10 917.2572

The Sears ST/10 is a garden tractor built by Roper and distributed by Sears from 1973 to 1976. It features a 10 hp Tecumseh HH100 389cc 1-cylinder gasoline engine with an air-cooled horizontal shaft. The tractor has a 6-speed belt-driven gear transmission with 6 forward and 2 reverse gears. It is equipped with a mid PTO that is independent and manually clutched. The tractor has a wheelbase of 43.5 inches, weighs 560 lbs, and rides on 16x5.00 front and 22.5x7.50 rear lawn/turf tires. Optional attachments include a 38" mid-mount mower deck, snowblower, and blade. Electrical system is 12 volts with negative ground and a 39 AH battery.

Power-

Founded-

ModelST/10

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Technical Specifications

Detailed specifications and technical data for Sears ST/10 917.2572

Engine

Type	gasoline
Model	Tecumseh HH100
Power	10 hp (7.5 kW)
Cooling	air-cooled horizontal-shaft
Starter	electric
Cylinders	1-cylinder
Rated RPM	3600
Bore/Stroke	3.3125x2.75 inches (84 x 70 mm)
Displacement	389 cc (23.75 ci)
Starter volts	12

Dimensions

Width	34 inches (86 cm)
Length	63 inches (160 cm)
Rear tire	22.5x7.50
Wheelbase	43.5 inches (110 cm)
Front tire	16x5.00
Shipping weight	560 lbs (254 kg)
Height (steering wheel)	37 inches (93 cm)

Electrical

Ground	negative
Battery AH	39
Battery volts	12

Production

Type	Garden tractor
Distributor	Sears
Manufacturer	Roper
Original price	$846 in 1973
Production years	1973 - 1976

Attachments

Overview	38" mid-mount mower deck, snowblower, blade
42" Blade	Sears 917.250550, front-mount, 42 inches width (106 cm), 17.5 inches height (44 cm), 117 lbs (53 kg), manual-lift, manual-angle
38" Mower deck	mid-mount Sears 917.25203, 2-blade with manual lift, Cutting width 38 inches (96 cm), Weight 105 lbs (47 kg), Overall width 54 inches (137 cm), Cut height 1.5 to 3.5 inch (3 to 8 cm)
35" Snow blower	Sears 917.250660, 35 inches width (88 cm), single-stage, front-mount, manual-lift, 182 lbs (82 kg)

Transmission