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Yard-Man 3950

The Yard-Man 3950 is a tractor produced by Yard Man Lawn Tractors. It is equipped with a 318 cc 19.44 ci engine. The listed engine power is Gasoline (listed): 8 hp / 6.0 kW. Transmission: Tecumseh 506.

Engine Power
Gasoline (listed): 8 hp / 6.0 kW
Fuel & Capacities
1 gal 3.8 L
Transmission
Tecumseh 506

Overview

Yard-Man 3950 tractor photo
1974 - 1975 Lawn tractor
Production
Manufacturer
Yard-Man
Lawn tractor
Built in Jackson, Michigan, USA
Yard-Man 3950 Engine
8HP Briggs & Stratton 318cc 1-cyl gasoline
Fuel tank
1 gal 3.8 L
Engine details ...
Yard-Man 3950 Transmission
4-speed gear
Transmission details ...
Mechanical
Two-wheel drive
Manual steering
Open operator station.
Dimensions & Tires
Front tire
13x5.00-6
Rear tire
16x7.50
Full dimensions and tires ...
References
3950 references literature
the easy life with Yard-Man published in 1975
Operator's Manual Model 3950-0, 3960-0, 3810-0 (0611-892) published in 1974

Engine

Engine Detail — 318 cc / 19.44 ci Gasoline

Manufacturer
Briggs & Stratton 190702
Fuel Type
Gasoline
Configuration
1-cylinder, air-cooled
Displacement
318 cc 19.44 ci
Bore/Stroke
3.00x2.75 inches 76 x 70 mm
Power
8 hp 6.0 kW
Starter type
manual recoil

Transmission

Transmission — Tecumseh 506

Transmission
Tecumseh 506
Type
belt-driven gear
Gears
4 forward and 1 reverse

Dimensions

Yard-Man 3950 Tires
Lawn/turf front
13x5.00-6
Lawn/turf rear
16x7.50
Dimensions

Attachments

Attachment overview
32" mid-mount mower deck
Blade
32" Mower deck
Type
mid-mount Yard-Man
2-blade with manual lift
Cutting width
32 inches 81 cm
Cut height
1 to 3 inch 2 to 7 cm

Photos

Yard-Man 3950 tractor photo

Yard-Man 3950 tractor photo

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Yard Man Lawn Tractors Yard-Man 3950.

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 3950 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Yard Man Lawn Tractors Yard-Man 3950.

Converted Equivalents:

Horsepower (HP)8 hp
Kilowatts (kW)6 kW
Metric Horsepower (PS / CV)8.1 PS

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