Lawn Tractor · 1961Unverified
Allis Chalmers B-1
Allis Chalmers B-1 — B Series · 7 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
7 hp
Weight
272 kg
Hover a source tag to verify
Overview
DistributorAllis ChalmersReference
ManufacturerSimplicityReference
Garden tractorReference
Built in Port Washington, Wisconsin, USAReference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
7.25HP Briggs & Stratton 304cc 1-cyl gasolineReference
Fuel tank5.7 LReference
Briggs & Stratton 19DReference
gasolineReference
1-cylinderReference
air-cooled horizontal-shaftReference
Displacement18.55 ciReference
Bore/Stroke76 x 67 mmReference
Power5.4 kWReference
Air cleaneroil bathReference
Rated RPM3600Reference
StarterelectricReference
Starter volts12Reference
Oil capacity1.4 LReference
Transmission
3-speed gearReference
Typeshaft-driven gearReference
Gears3 forward and 1 reverseReference
PTO & Hydraulics
Rear PTOliveReference
Mid PTOliveReference
Front PTOliveReference
Dimensions
Wheelbase111 cmReference
Weight272 kgReference
Front tire4.80x8Reference
Rear tire6.00x12Reference
Lawn/turf front4.80x8Reference
Lawn/turf rear6.00x12Reference
Length172 cmReference
Width86 cmReference
Height94 cmReference
Shipping weight272 kgReference
Ground clearance15 cmReference
Allis Chalmers B-1 attachments
42" mid-mount mower deckReference
Links
Allis-Chalmers B-1: information, photos and old advertising literature at SimpleTractors.comReference
Electrical
GroundnegativeReference
Battery volts12Reference
42" Mower deck
Typemid-mount Allis-ChalmersReference
Cutting width106 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.