Catalina 320 Design Changes
Year	Hull #s	Changes	Year includes:
1993		Intro ($60k list)
1 to 18?
1994	30, 154	have Perkins M30, shallow bilge	incls 19 , 154
19? To ???
1995		Started using vinylester layup (better for blisters) (or 1997??)	incls 181, 255
??? To ???	181	has Perkins M30, shallow bilge
	238	Perkins engine
	246	Westerbeke engine
	246	Deeper bilge, better draining (weep holes); 7" more draft (4'10")
			incls 303, 384
1996	303	Westerbeke 29B engine
??? To ???	317	Westerbeke 30B-3
	327	Westerbeke engine
	328	Yanmar 30GM engine
	331	Westerbeke engine
1997		Stern seats bumped out, cupholders added	incls 404, 468
??? To ???	404	Bad vinylester, factory repaired. Total 3 boats
		Bulkhead cutouts eliminated (at approx. 468)
1998		Head redesigned - one mirror eliminated, cabinet smaller, shelf larger, fiddle added	incls 488, 558
??? To ???	488	Yanmar, small aft access panel, battery switch on starboard wall
	492	Yanmar, no escape hatch, old elect panel w/ 1-2-Both switch. At some point, galvanic isolation added.
1999		Change to surface mount galley sink (was undermount); Aft Cabin Escape Hatch (after 492, before 592)	incls 592, 675
??? To ???	621	Has Yanmar Euro 3GM engine, new electrical panel, old instrument pod
	675	Improved Inst. Pod
2000		In-mast Furling option available	incls 687
??? To ???	688	Has dark blue canvas, oval shape ports, molded seats on stern platform, toe rails extended futher back than earlier models, upgraded main traveler (2000 model) Euro Yanmar
	690	Japan Yanmar
	692	Euro Yanmar
	847	Keel recast back to 4'4" draft (using 310 keel)
2001
??? To ???
2002			incls 894
??? To ???
2003		Change to SS prop shafts and dripless packing?	incls 922
??? To ???
2004		Innerspring mattress becomes std equip
??? To ???		Change to Charles chargers?
2005	1035	Yanmar 3YM30
??? To ???
2006	1074	Mfg at FL plant
??? To 1097
		Other notes and tips:
		Some 1993 models had problems with electrical wire chafe
		Poor winterizing causing hot water heater failures
		ProMariner chargers are failing (20-3, 30-3)
		Standing rigging should last 8 yrs in salt water, 20yrs in fresh
		Reroute frig drain to shower sump via a new "Y"
		Reseal emergency rudder access to avoid leaks
		Water valve under aft berth are inconvenient
		Look for Garhauer travelers with the upgrade package
		Preferences:
		Yanmar diesel (smoother below 1000rpm, easier starting)
		PSS seal
		Autoprop (avoid 3 bladed fixed prop)
		Engine Genealogy:
		Perkins M30
		Westerbeke 30B3
		Yanmar 3GM30F (Japan and European), then 3YM series