Boats on which these windlasses were standard equipment:
• Catalina 34 (the larger VW800 was optional after 2001)
• Catalina 350
• Catalina 36 (very early boats may have been equipped with the smaller 500 series windlass)
• Catalina 380
• Catalina 387
• Catalina 390
• Catalina 400
• Catalina 42 (very early boats may have been equipped with the smaller 600 or 700 series windlass* see note Warnings & Notes #3)
• Catalina 470

• Width, overall including mounting bracket: 100mm (about 3-15/16")
• Height, overall including studs: 102mm (about 4")
• Depth, overall including mounting bracket: 67mm (about 2-5/8")
• Bracket details:
    Fasteners size: 5mm (#10) not included
    Fastener spacing, center to center: 85mm (about 3-3/8")

May be appropriate for other sizes as well, key being that the windlass motor is a series wound motor with three electrical connections on the motor.