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Bobcat Skidsteer Forums
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diesel fuel for a 1990s 843
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<blockquote data-quote="Tigerhaze" data-source="post: 52155" data-attributes="member: 6436"><p>The only difference nowadays between highway and offroad diesel is the dye and the tax difference. Nowadays all highway diesel and most offroad diesel is ultra low sulfur diesel (ULSD). Because the sulfur is removed to less than 15ppm, additives are supposed to be added at the refinery to make up for loss of lubricity from the sulfur. However testing has indicated that the amount varies and can be insufficient for older diesel engines.</p><p>Home heating oil can come in #1 (kerosene), #2, #4, and #6. Number 4 and 6 is for commerical heating units and is too viscous to use in an engine. #1 is the most prevalent heating oil because it is less viscous and has antigelling properties. However #1 has less BTUs than #2. My understanding is that home heating oil also does not receive the lubrication additives at the refinery that engine diesel does to replace the sulfur, so you would need to add a lubricant.</p><p>There are lots of lubricants that can be used, but the best is soy biodiesel. 2-cycle TCW-3 can work well on older diesel engines (prior to 2007). It is also helpful to add this to ULSD diesel as well since indirect injected engines relied on the sulfur for pump lubrication as you indicated, and the refinery doesn't add much.</p><p>There are some pretty good discussions about this on another equipment website I frequent but out of respect for this site will not link to it unless the admins/moderators approve.</p></blockquote><p></p>
[QUOTE="Tigerhaze, post: 52155, member: 6436"] The only difference nowadays between highway and offroad diesel is the dye and the tax difference. Nowadays all highway diesel and most offroad diesel is ultra low sulfur diesel (ULSD). Because the sulfur is removed to less than 15ppm, additives are supposed to be added at the refinery to make up for loss of lubricity from the sulfur. However testing has indicated that the amount varies and can be insufficient for older diesel engines. Home heating oil can come in #1 (kerosene), #2, #4, and #6. Number 4 and 6 is for commerical heating units and is too viscous to use in an engine. #1 is the most prevalent heating oil because it is less viscous and has antigelling properties. However #1 has less BTUs than #2. My understanding is that home heating oil also does not receive the lubrication additives at the refinery that engine diesel does to replace the sulfur, so you would need to add a lubricant. There are lots of lubricants that can be used, but the best is soy biodiesel. 2-cycle TCW-3 can work well on older diesel engines (prior to 2007). It is also helpful to add this to ULSD diesel as well since indirect injected engines relied on the sulfur for pump lubrication as you indicated, and the refinery doesn't add much. There are some pretty good discussions about this on another equipment website I frequent but out of respect for this site will not link to it unless the admins/moderators approve. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
diesel fuel for a 1990s 843
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