Harley-Davidson Model W

Source-listed reference profile. Prices, fees and availability depend on the market, programme, version and source date.

Detailed specifications and information

Name	Harley-Davidson Model W
Country
Introduced
Region
City
Source	Wikidata
Manufacturer	Harley-Davidson Source
Operator
Location
Mass
Height
Width
Length
Retrieved At	2026-11-02
Engine	35.64 cu in (584.0 cc) side valve flat-twin [ 1 ] [ 2 ] Source
Power	6 hp (4.5 kW) [ 1 ] [ 2 ] Source
Brakes	front: none rear: contracting band Source
Transmission	3-speed manual Source
Weight	265 lb (120 kg) [ 2 ] ( dry ) Source
Wheelbase	57 in (1,448 mm) [ 2 ] Source
Fuel Tank	2.75 US gal (10.4 L) [ 2 ] Source
Suspension	[ edit ] Source
Dimensions	Wheelbase: 57 in (1,448 mm) [ 2 ] Source

Prices and specifications may change by market and date.

Section	Label	Value	Source Url
1921 Harley-Davidson Model W	Engine	35.64 cu in (584.0 cc) side valve flat-twin [ 1 ] [ 2 ]	Source
1921 Harley-Davidson Model W	Power	6 hp (4.5 kW) [ 1 ] [ 2 ]	Source
1921 Harley-Davidson Model W	Transmission	3-speed manual	Source
1921 Harley-Davidson Model W	Frame type	tubular steel, single downtube [ 2 ]	Source
1921 Harley-Davidson Model W	Suspension	front: trailing link with single coil spring rear: none, rigid [ 1 ] [ 2 ]	Source
1921 Harley-Davidson Model W	Brakes	front: none rear: contracting band	Source
1921 Harley-Davidson Model W	Tires	26 in × 3 in (660 mm × 76 mm) [ 2 ]	Source
1921 Harley-Davidson Model W	Wheelbase	57 in (1,448 mm) [ 2 ]	Source
1921 Harley-Davidson Model W	Weight	265 lb (120 kg) [ 2 ] ( dry )	Source
1921 Harley-Davidson Model W	Fuel capacity	2.75 US gal (10.4 L) [ 2 ]	Source

Field	Value 1
1921 Harley-Davidson Model W	—
Manufacturer	Harley-Davidson
Also called	Sport Twin
Production	1919 – 1923
Assembly	Milwaukee, WI USA
Engine	35.64 cu in (584.0 cc) side valve flat-twin [ 1 ] [ 2 ]
Bore / stroke	2.75 in × 3.00 in (69.9 mm × 76.2 mm) [ 2 ] [ 3 ]
Compression ratio	3.75:1 [ 2 ]
Power	6 hp (4.5 kW) [ 1 ] [ 2 ]
Ignition type	magneto (W, WF) battery and coil (WJ) [ 2 ]
Transmission	3-speed manual
Frame type	tubular steel, single downtube [ 2 ]
Suspension	front: trailing link with single coil spring rear: none, rigid [ 1 ] [ 2 ]
Brakes	front: none rear: contracting band
Tires	26 in × 3 in (660 mm × 76 mm) [ 2 ]
Wheelbase	57 in (1,448 mm) [ 2 ]
Weight	265 lb (120 kg) [ 2 ] ( dry )
Fuel capacity	2.75 US gal (10.4 L) [ 2 ]
Oil capacity	2 US qt (1.9 L) [ 2 ]

Manufacturer	Harley-Davidson
Last sourced	2026-11-02