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Sears ST/12 917.2573

Sears ST/12 917.2573 tractor
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The Sears ST/12 is a garden tractor produced from 1973 to 1976 by Roper and distributed by Sears. It features a 12 hp Tecumseh HH120 gasoline engine with a 453 cc displacement and an air-cooled horizontal-shaft design. The tractor has a 6-speed belt-driven gear transmission with 6 forward and 2 reverse gears. It is a two-wheel drive with manual steering and an open operator station. The tractor includes a mid PTO with independent manual clutch and an optional Sears 3-point hitch. Dimensions include a 43.4 inch wheelbase, 68.5 inch length, and a shipping weight of 641 lbs. Attachments available include 42" and 48" mid-mount mower decks, a 46" front-mount blade, and a 39" front-mount snow blower.
Sears ST/12garden tractorTecumseh HH120 engine12 hp6-speed transmissionmower decksnow blowerbladeRoper built
Power-
Founded-
ModelST/12

Technical Specifications

Detailed specifications and technical data for Sears ST/12 917.2573

Engine

Type:gasoline
Model:Tecumseh HH120
Power:12 hp (8.9 kW)
Cooling:air-cooled horizontal-shaft
Starter:electric
Cylinders:1-cylinder
Bore/Stroke:3.50x2.875 inches (89 x 73 mm)
Displacement:453 cc (27.66 ci)
Starter volts:12

Features

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station

Dimensions

Width:36.5 inches (92 cm)
Length:68.5 inches (173 cm)
Rear tire:22.5x7.50
Wheelbase:43.4 inches (110 cm)
Front tire:16x5.50
Shipping weight:641 lbs (290 kg)
Height (steering wheel):44 inches (111 cm)

Electrical

Ground:negative
Battery volts:12

Production

Type:Garden tractor
Distributor:Sears
Manufacturer:Roper
Original price:$970 in 1974
Years produced:1973 - 1976

Attachments

46" Blade:Sears 917.253330, front-mount, 46 inches width (116 cm), 17.5 inches height (44 cm), 117 lbs (53 kg), manual-lift, manual-angle
39" Snow blower:Sears 917.253350, 39 inches width (99 cm), single-stage, front-mount, manual-lift, 177 lbs (80 kg)
42" mid-mount mower deck:42 inches, 3-blade, manual lift, right-discharge, 169 lbs (76 kg)
48" mid-mount mower deck:48 inches, 3-blade, manual lift, right-discharge, 182 lbs (82 kg)

Transmission

Type:belt-driven gear
Gears:6 forward and 2 reverse

Tractor hitch

Type:Sears 3-Point Optional

Power Take-off (PTO)

Type:Mid PTO
Clutch:manual
Operation:independent