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Lawn Tractor · 1980Unverified
Bolens HT-20D
Bolens HT-20D — Large Frame Series · 20 hp. Reference specifications; pending source verification.
The Bolens HT-20D is a lawn tractor with a rated output of 20 hp, positioning it among the higher-powered machines in its class. Production of the HT-20D spanned the years 1980 to 1981. The HT-20D is equipped with a 2-cylinder diesel air-cooled engine, which drives two-wheel drive via a hydrostatic transmission. The listed weight of the HT-20D is 503 kg and it is suited to tasks covering approximately 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
20 hp
Weight
503 kg
Catalogue coverage
Variants represented
2
Richest spec table
52 rows
Recorded power
20 hp
Recorded weight
503 kg
Transmissions
hydrostatic
Production years
1980-1981
Verified variants
0
No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.
Hover a source tag to verify
Overview
ManufacturerBolensReference
Garden tractorReference
Built in Port Washington, Wisconsin, USAReference
Two-wheel driveReference
Manual steeringReference
Disc brakesReference
Open operator stationReference
Engine
19.9HP Wisconsin 863cc 2-cyl dieselReference
Fuel tank18.9 LReference
Wisconsin WD2-860Reference
dieselReference
2-cylinderReference
air-cooled horizontal-shaft inlineReference
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.Reference
Displacement52.7 ciReference
Bore/Stroke84 x 78 mmReference
Power14.8 kWReference
Rated RPM3000Reference
StarterelectricReference
Starter volts12Reference
Oil capacity2.6 LReference
Transmission
hydrostaticReference
TransmissionEaton 11Reference
Typeshaft-driven hydrostaticReference
Gearsinfinite forward and reverse (2-range)Reference
PTO & Hydraulics
Rear Type0Reference
Mid PTOindependentReference
Clutchmanual idlerReference
Dimensions
Wheelbase132 cmReference
Weight503 kgReference
Front tire18x8.50-8Reference
Rear tire26x12-12Reference
Lawn/turf front18x8.50-8Reference
Lawn/turf rear26x12-12Reference
Length193 cmReference
Width96 cmReference
Height114 cmReference
Ground clearance21 cmReference
Bolens HT-20D attachments
54" mid-mount mower deckReference
snowblowerReference
bladeReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps9Reference
Charging amps35 (optional)Reference
Battery volts12Reference
Attachment overview
54" mid-mount mower deckReference
SnowblowerReference
BladeReference
54" Mower deck
Typemid-mount BolensReference
Type3-bladeReference
Cutting width137 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
