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Bolens 3112G ST120 Specifications
General Information
Tractor Model ...................... Bolens 3112G ST120
Tractor Type ...................... Garden tractor
Series ...................... Suburban
Manufacture Years ...................... 1987
Fuel Type ...................... Gasoline
Attachments ...................... Mower Deck, Snow Blower, Blade
Bolens 3112G Engine Specs
Engine Model ...................... Briggs and Stratton 281707
Engine Type ...................... 4-cycle single cylinder vertical-shaft air-cooled gasoline
Number of Cylinders ...................... 1
Displacement, cu.in (cc) ...................... 28.4 (465)
Engine Bore, in (mm) ...................... 3.44 (87.0)
Engine Stroke, in (mm) ...................... 3.06 (78.0)
Maximum Engine Power, hp (kW) ...................... 12.0 (8.9)
Rated Engine Speed, rpm ...................... 3600
Idle Speed, rpm ...................... 1500
Fuel System ...................... Carburetor
Carburetor ...................... Fixed main jet
Governor Type ...................... Mechanical
Lubrication System ...................... Pressure lube
Air Cleaner ...................... Dry with foam precleaner
Spark Plug Gap, in (mm) ...................... 0.030 (0.76)
Intake Valve Clearance, in (mm) ...................... 0.003-0.005 (0.08-0.13)
Exhaust Valve Clearance, in (mm) ...................... 0.003-0.005 (0.08-0.13)
Fuel Tank Capacity, gal (L) ...................... 5.0 (19.0)
Oil Capacity, qts (L) ...................... 1.5 (1.4)
Electrical System
Electrical System Rating, Volts ...................... 12
Charging System Rating, Amps ...................... 16
Starter Type ...................... Electric
Number of Batteries ...................... 1
Battery Voltage, Volts ...................... 12
Electric Ground ...................... Negative
Power Take Off
PTO Operational Type ...................... Independent
PTO Clutch ...................... Electric
PTO Speed, rpm ...................... 3600
Bolens 3112G Transmission
Transmission Model ...................... Peerless 801
Transmission Type ...................... Belt-driven gear
Gearbox Type ...................... 5F/1R
Number of Forward Gears ...................... 5
Number of Reverse Gears ...................... 1
Maximum Forward Speed, mph (kph) ...................... 5.0 (8.0)
Maximum Reverse Speed, mph (kph) ...................... 2.2 (3.5)
Wheels and Tires
Drive Wheels ...................... 2WD 4x2
Steering Configuration ...................... Front steer
Steering System ...................... Manual
Brakes Type ...................... Mechanical disc
Front Tire Size ...................... 15x6.00-6
Rear Tire Size ...................... 20x8.00-10
Dimensions and Weight
Wheelbase, in (mm) ...................... 45 (1140)
Length, in (mm) ...................... 69 (1750)
Height, in (mm) ...................... 42.5 (1070)
Overall Width, in (mm) ...................... 34.5 (870)
Ground Clearance, in (mm) ...................... 7 (175)
Weight, lb (kg) ...................... 506 (230)
Bolens 3112G Attachments
36-in Mower Deck
Mower Deck Type ...................... Mid-mount
Number of Blades ...................... 2
Cutting Width, in (mm) ...................... 36 (910)
Lift System ...................... Mechanical/Electric
38-in Snowblower
Snowblower Type ...................... Front-mount, single-stage
Clearing Width, in (mm) ...................... 38 (960)
Lift System ...................... Mechanical/Electric
Front Blade
Blade Type ...................... Front-mount
Width, in (mm) ...................... 42 (1060)
Lift System ...................... Mechanical/Electric
Angle ...................... Manual
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BOLENS TRACTORS SPECIFICATIONS |
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SIMPLICITY TRACTORS SPECIFICATIONS |
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SEARS TRACTORS SPECIFICATIONS |
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