Yard-Man 3120 300
The Yard-Man 3120 300 is a tractor produced by Yard Man Lawn Tractors. It is equipped with a 170 cc 10.4 ci engine. The listed engine power is Gasoline (listed): 4 hp / 3.0 kW. Transmission: 2 forward and reverse.
Engine Power
Gasoline (listed): 4 hp / 3.0 kW
Fuel & Capacities
Gasoline
Transmission
2 forward and reverse
Overview
 | 1964 - 1967
Front-mount mower |
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Production | |
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Manufacturer | Yard-Man |
Front-mount mower | |
Built in Jackson, Michigan, USA | |
Original price was $350 in 1966 | |
Yard-Man 3120 Engine | |
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4HP Briggs & Stratton 170cc 1-cyl gasoline | |
Engine details ...  |
Yard-Man 3120 Transmission | |
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2-speed | |
Transmission details ...  |
Mechanical | |
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Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
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Full dimensions and tires ...  |
Engine
Engine Detail — 170 cc / 10.4 ci Gasoline
Manufacturer | Briggs & Stratton 100902 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled vertical-shaft |
Displacement | 170 cc
10.4 ci |
Bore/Stroke | 2.50x2.125 inches
64 x 54 mm |
Power | 4 hp
3.0 kW |
Starter type | manual recoil |
Transmission
Transmission — 2 forward and reverse
Gears | 2 forward and reverse |
Dimensions
Yard-Man 3120 Tires |
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Dimensions |
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Attachments
30" Mower deck | |
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Type | front-mount Yard-Man |
manual lift | |
Cutting width | 30 inches
76 cm |
Photos
Yard-Man 3120 300 tractor photo
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Yard Man Lawn Tractors Yard-Man 3120 300.
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
Yard Man Lawn Tractors Yard-Man 3120 300 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yard Man Lawn Tractors Yard-Man 3120 300.
Converted Equivalents:
Horsepower (HP)4 hp
Kilowatts (kW)3 kW
Metric Horsepower (PS / CV)4.1 PS
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