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Bolens 1250 Specifications

General Information

Tractor Model ...................... Bolens 1250
Tractor Type ...................... Garden tractor
Series ...................... Large Frame
Manufacture Years ...................... 1967-1969
Fuel Type ...................... Gasoline
Attachments ...................... Mower Deck, Snow Blower, Blade

Bolens 1250 Engine Specs

Engine Model ...................... Wisconsin S12D
Engine Type ...................... 4-cycle air-cooled single cylinder gasoline
Number of Cylinders ...................... 1
Displacement, cu.in (cc) ...................... 28.9 (473)
Engine Bore, in (mm) ...................... 3.50 (89.0)
Engine Stroke, in (mm) ...................... 3.00 (76.0)
Maximum Engine Power, hp (kW) ...................... 12.5 (9.3)
Rated Engine Speed, rpm ...................... 3600
Idle Speed, rpm ...................... 1200-1600
Fuel System ...................... Carburetor
Carburetor Type ...................... Adjustable main jet
Governor ...................... Centrifugal flyball type
Lubrication System ...................... Splash type
Air Cleaner ...................... Dry element
Ignition System ...................... High tension flywheel magneto
Spark Plug Gap, in (mm) ...................... 0.030 (0.76)
Intake Valve Clearance, in (mm) ...................... 0.007 (0.18)
Exhaust Valve Clearance, in (mm) ...................... 0.016 (0.41)
Fuel Tank Capacity, gal (L) ...................... 1.5 (5.7)
Oil Capacity, qts (L) ...................... 2.0 (1.9)

Electrical System

Electrical System Rating, Volts ...................... 12
Charging System ...................... Recoil starter
Number of Batteries ...................... 1
Battery Voltage, Volts ...................... 12
Electric Ground ...................... Negative

Bolens 1250 Transmission

Transmission Model ...................... Eaton 12
Transmission Type ...................... Hydrostatic
Number of Forward Gears ...................... Infinite
Number of Reverse Gears ...................... Infinite
Oil Capacity, qts (L) ...................... 10.0 (9.5)
Maximum Forward Speed, mph (kph) ...................... 8.0 (12.9)
Maximum Reverse Speed, mph (kph) ...................... 4.0 (6.4)

Wheels and Tires

Drive Wheels ...................... 2WD 4x2
Steering Configuration ...................... Front steer
Steering System ...................... Manual
Brakes Type ...................... Mechanical disc
Front Tire Size ...................... 5.70/5.00x8
Rear Tire Size ...................... 27x8.50-15

Dimensions and Weight

Wheelbase, in (mm) ...................... 49 (1240)
Length, in (mm) ...................... 72 (1820)
Height, in (mm) ...................... 45 (1140)
Overall Width, in (mm) ...................... 38 (960)
Ground Clearance, in (mm) ...................... 8.5 (215)
Weight, lb (kg) ...................... 975 (442)

Bolens 1250 Attachments

48" Mower Deck

Mower Deck Type ...................... Mid-mount
Number of Blades ...................... 3
Cutting Width, in (mm) ...................... 48 (1210)
Lift System ...................... Hydraulic

42" Snowblower

Snowblower Type ...................... Front-mount
Clearing Width, in (mm) ...................... 42 (1060)
Lift System ...................... Mechanical

Front Blade

Blade Type ...................... Front-mount
Width, in (mm) ...................... 54 (1365)
Lift System ...................... Mechanical
Angle ...................... Manual