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Bolens HT-20D

Bolens HT-20D tractor
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The Bolens HT-20D is a garden tractor produced from 1980 to 1981 as part of the Large Frame Series. It features a 19.9 horsepower Wisconsin WD2-860 863cc 2-cylinder air-cooled diesel engine, hydrostatic Eaton 11 transmission with infinite forward and reverse speeds, and two-wheel drive with manual steering and disc brakes. The tractor has an open operator station and offers an independent mid PTO with a manual idler clutch. Dimensions include a 52 inch wheelbase, 76 inch length, 38 inch width, 45 inch height, and a weight of 1110 lbs. It rides on 18x8.50-8 front tires and 26x12-12 rear tires. Electrical system includes a 12 volt battery with a 9 amp alternator (35 amp optional). Attachments available include a 54 inch mid-mount mower deck, front-mount snowblowers (42 inch single-stage and 48 inch two-stage), and a 54 inch front-mount hydraulic-lift blade.
Bolens HT-20Dgarden tractorWisconsin WD2-860 enginehydrostatic transmissionmower decksnowblowerbladetractor specs
Power-
Founded-
ModelHT-20D

Technical Specifications

Detailed specifications and technical data for Bolens HT-20D

Engine

Type:diesel
Model:Wisconsin WD2-860
Notes:The Wisconsin WD2 engine is a rebranded Ducati 2IS22. The engine horsepower was derated in the United States to avoid testing at Nebraska. Export versions were rated at 22 horsepower.
Power:19.9 hp (14.8 kW)
Cooling:air-cooled horizontal-shaft inline
Starter:electric
Cylinders:2-cylinder
Fuel tank:5 gal (18.9 L)
Rated RPM:3000
Bore/Stroke:3.307x3.071 inches (84 x 78 mm)
Displacement:863 cc (52.7 ci)
Oil capacity:2.7 qts (2.6 L)
Starter volts:12

Electrical

Ground:negative
Battery volts:12
Charging amps:9 (35 optional)
Charging system:alternator

Mechanical

Drive:Two-wheel drive
Brakes:Disc brakes
Steering:Manual steering
Operator station:Open operator station

Production

Years:1980 - 1981
Series:Large Frame Series
Built in:Port Washington, Wisconsin, USA
Category:Garden tractor

Attachments

Blade:54" front-mount hydraulic-lift (Bolens 18054)
Snowblower:42" single-stage front-mount (Bolens 18103), 48" two-stage front-mount (Bolens 18148)
54" mid-mount mower deck:54 inches (137 cm) cutting width, mid-mount Bolens, 3-blade

Transmission

Type:shaft-driven hydrostatic
Gears:infinite forward and reverse (2-range)
Model:Eaton 11
General:hydrostatic

Tractor hitch

Rear Type:0 Optional

Dimensions & Tires

Width:38 inches (96 cm)
Height:45 inches (114 cm)
Length:76 inches (193 cm)
Weight:1110 lbs (503 kg)
Rear tire:26x12-12
Wheelbase:52 inches (132 cm)
Front tire:18x8.50-8
Ground clearance:8.5 inches (21 cm)

Power Take-off (PTO)

Clutch:manual idler
Mid PTO:independent