Sears ST/8 502.25900
The Sears ST/8 502.25900 is a tractor produced by Sears Lawn Tractors. It is equipped with a 318 cc 19.44 ci engine. The listed engine power is Gasoline (gross): 8 hp / 6.0 kW. Transmission: Peerless. Operating weight: 60 lbs 27 kg.
Engine Power
Gasoline (gross): 8 hp / 6.0 kW
Fuel & Capacities
1.25 gal
4.7 L
Transmission
Peerless
Operating Weight
60 lbs
27 kg
Overview
![]() | 1976
Garden tractorMurray built
Garden tractor
Murray built |
|---|
Production | |
|---|---|
Distributor | Sears |
Manufacturer | Murray |
Garden tractor | |
Original price was $889 | |
Sears ST/8 Engine | |
|---|---|
8HP Briggs & Stratton 318cc 1-cyl gasoline | |
Fuel tank | 1.25 gal
4.7 L |
Engine details ... | |
Sears ST/8 Transmission | |
|---|---|
4-speed gear | |
Transmission details ... |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Weight | 555 lbs
251 kg |
Front tire | 16x6.00-8 |
Rear tire | 23x8.50-12 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
![]() | |
Yard and Garden Tractors and Attachments published in 1976, by Sears | |
Suburban, Farm and Ranch Catalog published in 1976, by Sears | |
Spring/Summer Catalog published in 1976, by Sears |
Engine
Engine Detail — 318 cc / 19.44 ci Gasoline
Manufacturer | Briggs & Stratton 191707 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled vertical-shaft |
Displacement | 318 cc
19.44 ci |
Bore/Stroke | 3.00x2.75 inches
76 x 70 mm |
Power (gross) | 8 hp
6.0 kW |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — Peerless
Transmission | Peerless |
Type | belt-driven gear |
Gears | 4 forward and 1 reverse |
Dimensions
Sears ST/8 Tires | |
|---|---|
Lawn/turf front | 16x6.00-8 |
Lawn/turf rear | 23x8.50-12 |
Dimensions | |
|---|---|
Length | 64.5 inches
163 cm |
Width | 37.5 inches
95 cm |
Shipping weight | 555 lbs
251 kg |
Attachments
Attachment overview | |
|---|---|
36" 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. |
36" Mower deck | |
|---|---|
Type | mid-mount Sears |
2-blade with manual lift | |
Cutting width | 36 inches
91 cm |
Weight | 60 lbs
27 kg |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Sears Lawn Tractors Sears ST/8 502.25900.
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/8 502.25900 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Sears Lawn Tractors Sears ST/8 502.25900.
Converted Equivalents:
Horsepower (HP)8 hp
Kilowatts (kW)6 kW
Metric Horsepower (PS / CV)8.1 PS
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- Production years:
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