tomtaylor1 72 Posted October 25, 2020 Share Posted October 25, 2020 Hi All,after how many hours of running does the engine oil need to be changed. Thank you Tom Link to post Share on other sites
Crossy 27,196 Posted October 25, 2020 Share Posted October 25, 2020 Is this a vehicle or fixed application? The manual is always a good bet, Google is your friend. EDIT looks like it's a boat, the manual is still the best bet. 2 Link to post Share on other sites
Crossy 27,196 Posted October 25, 2020 Share Posted October 25, 2020 From this page https://www.westmarine.com/WestAdvisor/Diesel-Engine-Maintenance Quote The typical interval is every 100 hours, but this varies from as few as 50 to as many as 200 hours (small engines like my 1.6 Liter Yanmar take only a small quantity of oil, and need more frequent oil changes, in this case, every 50 hours). Let us know which engine your boat has. Have a Volvo Penta and do it right and you don't have to change the oil for 1,000 hours. https://www.volvopenta.us/brand/en-us/news/2015/oct/vpenta-doubles-the-service-interval.html Link to post Share on other sites
Jitar 660 Posted October 25, 2020 Share Posted October 25, 2020 Depends on the engine and operating conditions. Cat traditionally recommend 250hr for construction equipment in normal conditions. This has been extended to 400 or 500 hrs for newer models. Link to post Share on other sites
teacherclaire 1,859 Posted October 25, 2020 Share Posted October 25, 2020 How often you have to change the oil of a Diesel engine depends on if it's a hot climate, if you drive long distances or city traffic. I change mine with a filter every 5,000 km, and I already have more than 300,000 km on the clock. The engine, Mitsu L 200 still runs like a Swiss clockwork. Once the color turns black, it's time for a change. Link to post Share on other sites
tomtaylor1 72 Posted October 30, 2020 Author Share Posted October 30, 2020 Hi, the engine is a Yanmar Turbo Diesel 4 Cylinder, 45 HP. This engine is on my boat in Pattaya. I have not been able to find out to much info on this engine, the boat is quite old, imported from Japan. Thank you Tom Link to post Share on other sites
alacrity 200 Posted October 30, 2020 Share Posted October 30, 2020 250 hours or 1 year and change the filter. There is a handbook. Page 101. 1 Link to post Share on other sites
Crossy 27,196 Posted November 1, 2020 Share Posted November 1, 2020 Is this your engine? https://www.yanmar.com/media/global/com/product/marinepleasure/sailBoatPropulsion/operationmanual/JH-CR_OPM_0AJHC-M00011.pdf Link to post Share on other sites
tomtaylor1 72 Posted November 7, 2020 Author Share Posted November 7, 2020 Hi, thank you, for the information, The Engine is 4JM-TZ-02564 Serial 0-0028A FZ20 Model. Regards Tom Link to post Share on other sites
Techno Viking 1,293 Posted November 7, 2020 Share Posted November 7, 2020 On 10/25/2020 at 5:02 PM, teacherclaire said: Once the color turns black, it's time for a change. So basically the moment the engine starts for the first time after an oil change you change it again ? Link to post Share on other sites
canthai55 4,810 Posted November 7, 2020 Share Posted November 7, 2020 250 hours on dino oil - 350 hours on full syn Link to post Share on other sites
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