O'Day 28

• Fuel 18 gal
  “Fuel 18 U.S. Gallons” — owner's manual, sbo.sailboatowners.com
  The O'Day (Bangor Punta) owner's manual for the O'Day 28 gives 18 US gal on its dimensions and capacities page. Sailing-school and charter sources, and an owner describing an 18-gal tank, agree.
• Water 25 gal
  “Water 25 U.S. Gallons” — owner's manual, sbo.sailboatowners.com
  The owner's manual capacities page gives 25 US gal; the 6-gal water heater is listed separately and not added.
• Holding 15 gal
  “The holding tank has a capacity of 15 gallons.” — search excerpt, goodoldboat.com · “a holding tank of approx. 13 gallons capacity” — search excerpt, forums.sailboatowners.com · “Head Holding Tank 15 U.S. Gallons” — owner's manual, sbo.sailboatowners.com
  The owner's manual capacities page gives 15 US gal, matching Good Old Boat. A forum owner's figure of about 13 gal was a rough measurement.
• Water heater AC + engine · factory option
  “Pressure Hot & Cold Water with Shower 825.00 (option, O'Day 28 and O'Day 30)” — builder (1984 models (price list effective Aug 1,), sbo.sailboatowners.com · “If your O'Day yacht is equipped with the optional water heater, it will be installed to operate off both the engine cool” — owner's manual, sbo.sailboatowners.com · “WATER HEATER 1500 WATT ELEMENT (MAX) (O'Day Yachts drawing 28-3037)” — owner's manual (1980), sbo.sailboatowners.com
  Bangor Punta's 1984-model price list prices pressure hot and cold water with shower as an option, and an O'Day 28 dealer sheet lists it too. The O'Day yacht owner's manual calls the heater optional, heated by engine coolant and a 110 V element (1500 W max on the O'Day 28 110 V drawing). No capacity is given in the pages seen.

Tanks are often replaced or added on older boats — check the tank labels or a survey for yours.

• Bow thruster unknown
  The builder's 1984 suggested retail price list (options only; the standard list is not included) has no thruster option.
• Stern thruster not fitted
  Our earlier figure of none had no source. The builder's 1984 suggested retail price list (options only; the standard list is not included) has no thruster option.
• Steering tiller
  “Tiller Extension - Adjustable Length (option); Compass - Pedestal Mount (Available with wheel steering option only)” — builder (1984), sbo.sailboatowners.com · “Wheel Steering - 28" wheel, brake, and engine controls mounted on pedestal (option, O'Day 28 and O'Day 30)” — builder (1984), sbo.sailboatowners.com · “Parts List / Edson Pedestal Steering Assembly (Edson EB-204 sheet enclosed in the builder manual; cables and chain to qu” — owner's manual, sbo.sailboatowners.com
  A tiller was standard; the 1984 builder price list offers pedestal wheel steering (28-in wheel, brake, engine controls) as an option. The Bangor Punta O'Day 28 manual includes Edson's pedestal-steerer parts sheet (chain and cable to a quadrant), so the optional wheel appears to be an Edson pedestal cable system; no brand is given for the tiller.

Thrusters and steering are often replaced — check the units on your boat before ordering parts.