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Bolens HT20 2087 Technical Specs

General Information

Tractor Model ...................... Bolens HT20 2087
Tractor Type ...................... Garden tractor
Series ...................... Large Frame
Manufacture Years ...................... 1973-1978
Fuel Type ...................... Gasoline
Attachments ...................... Mower Deck, Snow Blower, Blade

Bolens HT20 Engine Specifications

Engine Model ...................... Kohler K532
Engine Type ...................... 4-cycle two cylinder horizontal-shaft air-cooled gasoline
Number of Cylinders ...................... 2
Displacement, cu.in (cc) ...................... 53.1 (868)
Engine Bore, in (mm) ...................... 3.38 (86.0)
Engine Stroke, in (mm) ...................... 3.00 (76.0)
Maximum Engine Power, hp (kW) ...................... 19.5 (14.5)
Rated Engine Speed, rpm ...................... 3600
Idle Speed, rpm ...................... 1300
Fuel System ...................... Carburetor
Carburetor Type ...................... Sidedraft
Fuel Pump ...................... Mechanical type
Governor ...................... Centrifugal flyweight type
Lubrication System ...................... Positive pressure oil pump
Oil Filter Type ...................... Full flow
Air Cleaner ...................... Dry element
Ignition System ...................... Battery
Spark Plug ...................... Champion RH-10
Spark Plug Gap, in (mm) ...................... 0.025 (0.63)
Intake Valve Clearance, in (mm) ...................... 0.008-0.010 (0.20-0.25)
Exhaust Valve Clearance, in (mm) ...................... 0.017-0.020 (0.43-0.51)
Fuel Tank Capacity, gal (L) ...................... 5.0 (19.0)
Oil Capacity, qts (L) ...................... 3.2 (3.0)

Electrical System

Electrical System Rating, Volts ...................... 12
Charging System ...................... Alternator 15A
Starter Type ...................... Electric
Number of Batteries ...................... 1
Battery Voltage, Volts ...................... 12
Battery, AH ...................... 45
Electric Ground ...................... Negative

Power Take Off

PTO Operational Type ...................... Independent
PTO Clutch ...................... Mechanical
PTO Speed, rpm ...................... 2000

Bolens HT20 Transmission

Transmission Model ...................... Sundstrand 15
Transmission Type ...................... Shaft-driven 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 ...................... 18x8.50-8
Rear Tire Size ...................... 26x12.00-12

Dimensions and Weight

Wheelbase, in (mm) ...................... 52 (1320)
Length, in (mm) ...................... 75 (1900)
Height, in (mm) ...................... 45 (1140)
Overall Width, in (mm) ...................... 47 (1190)
Ground Clearance, in (mm) ...................... 8.5 (215)
Weight, lb (kg) ...................... 1090 (494)

Bolens HT20 Attachments

54" Mower Deck

Mower Deck Type ...................... Mid-mount
Number of Blades ...................... 3
Cutting Width, in (mm) ...................... 54 (1370)
Lift System ...................... Mechanical

48" Snowblower

Snowblower Type ...................... Front-mount, two-stage
Clearing Width, in (mm) ...................... 48 (1215)
Lift System ...................... Mechanical

Front Blade

Blade Type ...................... Front-mount
Width, in (mm) ...................... 54 (1370)
Lift System ...................... Mechanical
Angle ...................... Manual