General Boat Info
ModelSignature 8521
ModelViper 18
Model Year2012
Model Year2008
Measurements / Dimensions
Beam - Meters2.59
Beam - Meters2.44
Beam - Inches102
Beam - Inches96
Weight - Detail2,100 lbs
Weight - Detail1,763 lbs
Weight - kg952.54
Weight - kg799.68
Weight - lbs.21
Weight - lbs.1763
Length - Feet22.83
Length - Feet18
Length overall - Detail22 ft. 10 in
Length overall - Detail18 ft. 0 in
Length overall - Meters6.96
Length overall - Meters5.49
Length overall - Inches274
Length overall - Inches216
Body / Hull
Hull materialAluminum
Hull materialFiberglass
Hull typePontoon
Hull typeDeep Vee
Engine and Drivetrain
Engine makeMercury
Engine makenot available
Engine model50 ELPT EFI
Engine modelnot available
Fuel tank capacity - Detail30 gal
Fuel tank capacity - Detail39 gal
Fuel tank capacity - Liters113.56
Fuel tank capacity - Liters147.63
Fuel tank capacity - Gal3
Fuel tank capacity - Gal39
Engine max150 hp
Engine max175 hp
Max no of enginesnot available
Max no of engines1
Drive typenot available
Drive typeOutboard
Operational Info
Maximum capacity2,200 lbs
Maximum capacity1,950 lbs
Maximum people11
Maximum people6