Sears ST/12 917.2573

The Sears ST/12 917.2573 is a tractor produced by Sears Lawn Tractors. It is equipped with a 453 cc 27.66 ci engine. The listed engine power is Gasoline (listed): 12 hp / 8.9 kW. Transmission: 6 forward and 2 reverse. Operating weight: 641 lbs 290 kg.

Engine Power
Gasoline (listed): 12 hp / 8.9 kW
Fuel & Capacities
Gasoline
Transmission
6 forward and 2 reverse
Operating Weight
641 lbs 290 kg

Overview

Sears ST/12 917.2573 tractor photo
1973 - 1976 Model year 1973-197419751976 Garden tractorRoper built Garden tractor Roper built
Production
Distributor
Sears
Manufacturer
Roper
Garden tractor
Original price was $970 in 1974
Sears ST/12 Engine
12HP Tecumseh 453cc 1-cyl gasoline
Engine details ...
Sears ST/12 Transmission
6-speed gear
Transmission details ...
Mechanical
Two-wheel drive
Manual steering
Open operator station.
Tractor hitch
Type
Sears 3-Point OptOptional
Power Take-off (PTO)
Mid PTO
independent
Clutch
manual
Dimensions & Tires
Wheelbase
43.4 inches 110 cm
Weight
641 lbs 290 kg
Front tire
16x5.50
Rear tire
22.5x7.50
Full dimensions and tires ...
Electrical
Ground
negative
Battery volts
12
References
ST/12 917.2573 references literature
Lawn and Garden Tractors published in 1973, by Sears
Lawn and Garden Tractors published in 1974, by Sears
Suburban, Farm and Ranch Catalog published in 1973, by Sears
Spring through Summer 1973 published by Sears*
1974 Suburban Farm and Ranch Catalog published by Sears
Spring through Summer 1974 published by Sears
*Publication contains known errors.

Engine

Engine Detail — 453 cc / 27.66 ci Gasoline

Manufacturer
Tecumseh HH120
Fuel Type
Gasoline
Configuration
1-cylinder, air-cooled horizontal-shaft
Displacement
453 cc 27.66 ci
Bore/Stroke
3.50x2.875 inches 89 x 73 mm
Power
12 hp 8.9 kW
Starter
electric
Starter volts
12
Sears ST/12 Engine
Sears ST/12 engine image

Transmission

Transmission — 6 forward and 2 reverse belt-driven gear

Type
belt-driven gear
Gears
6 forward and 2 reverse
ST/12 917.2573  belt-driven gear speeds

Dimensions

Sears ST/12 Tires
Lawn/turf front
16x5.50
Lawn/turf rear
22.5x7.50
Dimensions
Wheelbase
43.4 inches 110 cm
Length
68.5 inches 173 cm
Width
36.5 inches 92 cm
Height (steering wheel)
44 inches 111 cm
Shipping weight
641 lbs 290 kg

Attachments

Attachment overview
42" mid-mount mower deck
48" mid-mount mower deck
Snowblower
Blade
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments.

Photos

Sears ST/12 917.2573

Sears ST/12 917.2573

Sears ST/12 917.2573

Sears ST/12 917.2573

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Sears Lawn Tractors Sears ST/12 917.2573.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Sears Lawn Tractors Sears ST/12 917.2573 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Sears Lawn Tractors Sears ST/12 917.2573.

Converted Equivalents:

Horsepower (HP)12 hp
Kilowatts (kW)8.9 kW
Metric Horsepower (PS / CV)12.2 PS