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Lawn Tractor · 1957Unverified
Bolens 21HD Super Ride-A-Matic
Bolens 21HD Super Ride-A-Matic — Ride-A-Matic Series · 7 hp. Reference specifications; pending source verification.
The Bolens 21HD Super Ride-A-Matic is a lawn tractor with a power rating of approximately 7 hp, categorising it as a lighter model within its class. It was produced in 1957. The machine features a 1-cylinder petrol air-cooled engine and two-wheel drive with a continuously variable transmission. It has an operating weight of 208 kg and is suitable for working on areas up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
7 hp
Weight
208 kg
Catalogue coverage
Variants represented
2
Richest spec table
44 rows
Recorded power
7 hp
Recorded weight
208 kg
Transmissions
6-speed CVT
Production years
1957-1957
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
Original price was $474 in 1957Reference
Two-wheel driveReference
Manual steeringReference
Mechanical band brakesReference
Open operator station.Reference
Engine
6.5HP Kohler 277cc 1-cyl gasolineReference
Fuel tank3.8 LReference
Kohler K161Reference
gasolineReference
1-cylinderReference
air-cooledReference
Displacement16.94 ciReference
Bore/Stroke73 x 64 mmReference
Power4.8 kWReference
Starter typemanual recoilReference
Starter typeelectricReference
Transmission
6-speed CVTReference
TransmissionVersa-maticReference
Typebelt-driven CVTReference
Gears6 forward and 1 reverseReference
Variable-geometry drive pulley with six positions on the control lever. Interchangeable drive sprockets provides high and low ranges.Reference
Dimensions
Wheelbase105 cmReference
Weight208 kgReference
Front tire4.00x8Reference
Rear tire6-12Reference
Lawn/turf front4.00x8Reference
Lawn/turf rear6-12Reference
Length156 cmReference
Width77 cmReference
Height93 cmReference
Shipping weight208 kgReference
Front tread64 cmReference
Rear tread62 cmReference
Bolens 21HD attachments
36" mid-mount mower deckReference
snowblowerReference
bladeReference
Attachment overview
36" mid-mount mower deckReference
SnowblowerReference
BladeReference
36" Mower deck
Typemid-mount BolensReference
Cutting width91 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.
