Bolens lawn tractors

Bolens HT-20

The Bolens HT-20 is a garden tractor produced from 1973 to 1978 as part of the Large Frame Series. It was built in Port Washington, Wisconsin, USA, and carried model codes 2086 and 2087. Powered by a 19.5 hp Kohler K532 868cc 2-cylinder gasoline engine, it features a shaft-driven hydrostatic Sundstrand 15 transmission with infinite forward and reverse gears. The tractor has a wheelbase of 52 inches, weighs 1090 lbs, and uses two-wheel drive with manual steering and disc brakes. It offers an open operator station and optional sleeve hitch. The HT-20 supports various attachments including a 54" mid-mount mower deck, snowblower, blade, front-end loader, and backhoe, making it versatile for garden and lawn tasks.
Power-
Founded-
ModelHT-20

Technical Specifications

Detailed specifications and technical data for Bolens HT-20

Engine
Typegasoline
Starterelectric
Cylinders2-cylinder
Fuel tank5 gal (18.9 L)
Point gap0.020 inches (0.508 mm)
Rated RPM3450
Air cleanerdry
Bore/Stroke3.375x3.00 inches (86 x 76 mm)
Displacement868 cc (53 ci)
Engine modelKohler K532
Oil capacity4 qts (3.8 L)
Configurationair-cooled horizontal-shaft opposed-twin
Power (gross)19.5 hp (14.5 kW)
Sparkplug gap0.025 inches (0.635 mm)
Starter volts12
Oil change interval50 h
Overview
SeriesLarge Frame Series
Built inPort Washington, Wisconsin, USA
CategoryGarden tractor
Model codes2086 and 2087
Production years1973 - 1978
Dimensions
Width38 inches (min) (96 cm), 47 inches (max) (119 cm)
Height45 inches (114 cm)
Length75 inches (190 cm)
Rear tire26-12.00x12
Wheelbase52 inches (132 cm)
Front tire18-8.50x8
Shipping weight1090 lbs (494 kg)
Ground clearance8.5 inches (21 cm)
Electrical
Groundnegative
Battery AH45
Battery volts12
Charging amps15
Charging systemalternator
Mechanical
DriveTwo-wheel drive
BrakesDisc brakes
Steeringmanual
Operator stationOpen operator station
Attachments
Blade54" front-mount hydraulic-angle (54 inches width, 137 cm)
BackhoeBrantly C Backhoe
Snowblower42" single-stage front-mount (42 inches width, 106 cm), 48" dual-stage front-mount (48 inches width, 121 cm)
Front-end loaderJohnson 14 Loader, 500 lbs lift (226 kg), 45° dump, 20 inches reach (50 cm), 76 inches height (193 cm), 54 inches clearance (137 cm), 71 inches clearance (180 cm), weight 370 lbs (167 kg), bucket width 38 inches (96 cm) and 48 inches (121 cm), loader type B185
54" mid-mount mower deck54 inches (137 cm) cutting width, mid-mount Bolens, shaft drive
Transmission
Typeshaft-driven hydrostatic
Gearsinfinite forward and reverse
Oil typeATF F
Oil capacity10 qts (9.5 L)
Transmission modelSundstrand 15
Oil change interval200 h
Tractor hitch
Typesleeve hitch Optional
Rear Type0 Optional
Power Take-off (PTO)
Clutchmechanical
Front PTO Type2000