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Thread: RS HTS 1800 Diff oil fill location

  1. #1
    250+ Posts rhino65's Avatar
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    Default RS HTS 1800 Diff oil fill location

    I found the drain plug but on my new HTS 1800 there is an oval shaped hole in trailer hitch bracket with another hex plug lightly sprayed with red paint about 3" above drain plug. I assume this is fill plug? Seems to easy to access according to an old thread I read on here. Any help be appreciated.

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    I have seen many differentials in my days, the one marked RED is more than likely the fill hole, typically a drain hole is lower on the carrier

    I hope this helps
    Nuff Said," Were Burnin Daylight, Lets Ride"(Sober 37 years)
    Current ride : 2021 FREEWHEELER M8, oldest ride 1960 FL

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    Thanks Jack. That's what I figured. My last trike was A CSC. Fill was a hex plug on side very easy to get to.

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    10+ Posts Grandpot's Avatar
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    Default Think about it

    Just a thought. If the lower hole is not all the way at the bottom, is it really a drain?

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    I'm reading this with "open" eyes & ears

    Ronnie

    2/9/24

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    250+ Posts rhino65's Avatar
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    Bottom hex bolt is drain. Got 22 oz. out of it. Called RS on refilling. They said to fill till runs out fill hole. Ive read that some of these diffs are a bear to get to fill plug. Mine is new kit with a slot cut in hitch bracket to gain EASY access to fill plug.

    I know, being new it didn't need changed (3200 miles on it) but wanted to see what was all involved.

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    2250+ Posts Burnerboy's Avatar
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    When it warms up a bit in my garage (18* degrees) as we speak, I'm going out to check my gear oil, fill and drain locations as well, thanks for the reminder and as long as i'm under there, I will also shoot a couple of pumps of grease, into those grease zerks as well...

    I'm going to give Roadsmith a call, and ask them what weight gear fluid I need, as well as the location of the fill & drain plugs.....

    My TRIKE installer will rape the live'n hel# out of me ($$$) (and I honestly don't trust him) what's so ever..... I made the mistake bringing my TRIKE to him, to do repairs that I could of honestly do myself, and I found that he ripped me off big time... My Trike was in for new back tires and I thought what the heck, I'll have him change my oil (something that I have been doing for years myself) BUT before I did it (I put a magic marker line on the back of my oil filter ...............Well sure enough, he charged me ($$$) for the oil change ..BUT DID NOT REPLACE THAT FILTER/I STILL HAD THE M/MARKER line... I questioned him and he said that he did indeed change the filter and oil....... HE LIED!! I'll never bring anything to him again, this was the second time he claimed to fix something and never did anything...........His lost!!!

    Ronnie

    2/20/24

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    250+ Posts rhino65's Avatar
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    Quote Originally Posted by Burnerboy View Post
    When it warms up a bit in my garage (18* degrees) as we speak, I'm going out to check my gear oil, fill and drain locations as well, thanks for the reminder and as long as i'm under there, I will also shoot a couple of pumps of grease, into those grease zerks as well...

    I'm going to give Roadsmith a call, and ask them what weight gear fluid I need, as well as the location of the fill & drain plugs.....

    My TRIKE installer will rape the live'n hel# out of me ($$$) (and I honestly don't trust him) what's so ever..... I made the mistake bringing my TRIKE to him, to do repairs that I could of honestly do myself, and I found that he ripped me off big time... My Trike was in for new back tires and I thought what the heck, I'll have him change my oil (something that I have been doing for years myself) BUT before I did it (I put a magic marker line on the back of my oil filter ...............Well sure enough, he charged me ($$$) for the oil change ..BUT DID NOT REPLACE THAT FILTER/I STILL HAD THE M/MARKER line... I questioned him and he said that he did indeed change the filter and oil....... HE LIED!! I'll never bring anything to him again, this was the second time he claimed to fix something and never did anything...........His lost!!!

    Ronnie
    I can't remember for life of me the name of guy I talked to at RS but very nice. Thought it was kinda odd he asked me color of diff case. Caught me off guard a bit. I know I paused a few seconds to think. Lol. Just figured they were all grey.

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    Quote Originally Posted by Burnerboy View Post
    When it warms up a bit in my garage (18* degrees) as we speak, I'm going out to check my gear oil, fill and drain locations as well, thanks for the reminder and as long as i'm under there, I will also shoot a couple of pumps of grease, into those grease zerks as well...

    I'm going to give Roadsmith a call, and ask them what weight gear fluid I need, as well as the location of the fill & drain plugs.....

    My TRIKE installer will rape the live'n hel# out of me ($$$) (and I honestly don't trust him) what's so ever..... I made the mistake bringing my TRIKE to him, to do repairs that I could of honestly do myself, and I found that he ripped me off big time... My Trike was in for new back tires and I thought what the heck, I'll have him change my oil (something that I have been doing for years myself) BUT before I did it (I put a magic marker line on the back of my oil filter ...............Well sure enough, he charged me ($$$) for the oil change ..BUT DID NOT REPLACE THAT FILTER/I STILL HAD THE M/MARKER line... I questioned him and he said that he did indeed change the filter and oil....... HE LIED!! I'll never bring anything to him again, this was the second time he claimed to fix something and never did anything...........His lost!!!

    Ronnie

    I can't remember for life of me the name of guy I talked to at RS but very nice. Thought it was kinda odd he asked me color of diff case. Caught me off guard a bit. I know I paused a few seconds to think. Lol. Just figured they were all grey.
    Differential Fluid = 80/90 hypoid gear oilUnder normal driving conditions you should check the differentialfluid by removing the fill/inspection plug.If your differential is black the fluid level should be one inch belowthe fill hole. If your differential is silver, it should be filled to the top fill plug

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    Quote Originally Posted by rhino65 View Post
    Bottom hex bolt is drain. Got 22 oz. out of it. Called RS on refilling. They said to fill till runs out fill hole. Ive read that some of these diffs are a bear to get to fill plug. Mine is new kit with a slot cut in hitch bracket to gain EASY access to fill plug.

    I know, being new it didn't need changed (3200 miles on it) but wanted to see what was all involved.
    Thanks for the update. Sounds like they improved the system. Mine is a 2006 and requires a little ceremony, but it isn't difficult.

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    2250+ Posts Burnerboy's Avatar
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    Quote Originally Posted by tourman View Post
    Differential Fluid = 80/90 hypoid gear oilUnder normal driving conditions you should check the differentialfluid by removing the fill/inspection plug.If your differential is black the fluid level should be one inch belowthe fill hole. If your differential is silver, it should be filled to the top fill plug
    Thank you sir, (good info to know) here, again once it warms up just a bit, I'm going to crawl under the TRIKE, and check out the gear plugs, and replace that oil.. My TRIKE is all ready up on jacks so all I have to do is to get down (THAT'S THE HARD PART ..lol) AND look for the pluggs..........................

    JUST A REMINDER TO ALL THAT IS PLANNING ON DOING THIS JOB YOURSELF: Besure to place a wiretie on your front break lever, so your trike will not move while your under there...OR place a block in front of front tire (or "both") just to be certain...

    Ronnie

    2/25/24

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