Gilson 770 S-12
The Gilson 770 S-12 is a tractor produced by Gilson Lawn Tractors. It is equipped with a 494 cc 30.16 ci engine. The listed engine power is Gasoline (gross): 12 hp / 8.9 kW. Transmission: Tecumseh 2312. Operating weight: 710 lbs 322 kg.
Engine Power
Gasoline (gross): 12 hp / 8.9 kW
Fuel & Capacities
Gasoline
Transmission
Tecumseh 2312
Operating Weight
710 lbs
322 kg
Overview
![]() | 1968 - 1969
S SeriesGarden tractor
S Series
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Gilson |
Garden tractor | |
Gilson 770 Engine | |
|---|---|
12HP Briggs & Stratton 494cc 1-cyl gasoline | |
Engine details ... |
Gilson 770 Transmission | |
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4-speed variator | |
Transmission details ... |
Mechanical | |
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Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
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Weight | 710 lbs
322 kg |
Front tire | 6.50x8 |
Rear tire | 9.50x12 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | starter-generator |
Battery volts | 12 |
References | |
|---|---|
![]() | |
Outdoor Power Equipment published in 1968, by Gilson | |
1969 Tractors Parts List and Parts Diagrams |
Engine
Engine Detail — 494 cc / 30.16 ci Gasoline
Manufacturer | Briggs & Stratton 300424 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled horizontal-shaft |
Displacement | 494 cc
30.16 ci |
Bore/Stroke | 3.44x3.25 inches
87 x 83 mm |
Power (gross) | 12 hp
8.9 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — Tecumseh 2312
Transmission | Tecumseh 2312 |
Type | shaft-driven variator |
Gears | 4 forward and 1 reverse |
Dimensions
Gilson 770 Tires | |
|---|---|
Lawn/turf front | 6.50x8 |
Lawn/turf rear | 9.50x12 |
Dimensions | |
|---|---|
Length | 63.5 inches
161 cm |
Width | 34.5 inches
87 cm |
Height | 35.25 inches
89 cm |
Weight | 710 lbs
322 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
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Gilson Lawn Tractors Gilson 770 S-12.
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
Gilson Lawn Tractors Gilson 770 S-12 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Gilson Lawn Tractors Gilson 770 S-12.
Converted Equivalents:
Horsepower (HP)12 hp
Kilowatts (kW)8.9 kW
Metric Horsepower (PS / CV)12.2 PS
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