old goat Posted March 20, 2011 Share Posted March 20, 2011 I have a 1983 Toyota Dolyphin model 700. I have tried searching but can not find out what each tank holds. I think the fresh watep is 21 gal. but nothing else and need to know as we are planing to boondock. Quote Link to comment Share on other sites More sharing options...
Derek up North Posted March 20, 2011 Share Posted March 20, 2011 I just checked in the brochures and unfortunately they only say 'dual waste holding tanks'. I guess you'll just have to crawl underneath and measure them. (231 cubic inches = 1 gallon) Quote Link to comment Share on other sites More sharing options...
toyboxII Posted March 20, 2011 Share Posted March 20, 2011 Hi--we have owned three toyhomes and they all were about the same as far as capacity goes. Fresh water was about 20 gallons and each waste tank held about 10 gallons. May I suggest you fill each tank and drain the tanks (one at a time) into a container and measure the contents? Quote Link to comment Share on other sites More sharing options...
old goat Posted March 20, 2011 Author Share Posted March 20, 2011 Hi--we have owned three toyhomes and they all were about the same as far as capacity goes. Fresh water was about 20 gallons and each waste tank held about 10 gallons. May I suggest you fill each tank and drain the tanks (one at a time) into a container and measure the contents? Thanks for the reply. Need to get under the rv to fix the monitor systen so will measure them. It would be easier to measure the water going in and than water out. Thanks to you both. A while back saw a list that gave the tank sizes for each model but can not locate it now. Quote Link to comment Share on other sites More sharing options...
Derek up North Posted March 20, 2011 Share Posted March 20, 2011 This from the Yahoo Group:- "When we bought our '86 Dolphin I filled each tank, then drained it into a 3Gal bucket and counted bucketfulls. Turned out Gray was 18Gal, Black was 24Gal and Fresh was 24Gal. So I discarded the Gray Tank and plumbed Gray water into the Black Tank...Now when it is time to fill Fresh, it is time to dump Black." Quote Link to comment Share on other sites More sharing options...
WME Posted March 21, 2011 Share Posted March 21, 2011 Thanks for the reply. It would be easier to measure the water going in and than water out. Thanks to you both. MUCH easier. FWIW my 86 Escaper has 12 gal black and gray tanks Quote Link to comment Share on other sites More sharing options...
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