White Yard Boss GT-1855 Engine


White Yard Boss GT-1855 tractor photo
1980 - 1995
GT Series
Garden tractor
Series map:
GT-1855
18.0hp
Engine options
18HP Briggs & Stratton 693cc 2-cyl gasoline
18HP Vanguard 569cc 2-cyl gasoline
Engine Detail
Briggs & Stratton 421417
gasoline
2-cylinder
air-cooled horizontal-shaft opposed-twin
Original engine for the GT-1855, used on the 995 and 996 model code tractors.
Displacement693 cc
42.3 ci
Bore/Stroke3.44x2.28 inches
87 x 58 mm
Power (gross)18 hp
13.4 kW
Air cleanerdry
Rated RPM3500
Starterelectric
Starter volts12
Engine Detail
Vanguard 350447
gasoline
2-cylinder
air-cooled horizontal-shaft V-Twin
The V-Twin was used during the final production run of the GT-1855 with the 998 model codes.
Displacement569 cc
34.75 ci
Bore/Stroke2.83x2.75 inches
72 x 70 mm
Power (gross)18 hp
13.4 kW
Air cleanerdry
Starterelectric
Starter volts12
White GT-1855 Engine
White GT-1855 engine image
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on March 23, 2025
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