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  1. H

    Dozer

    I would ask what size dozer you ran before the D6R? I have run D6R's for many years and find that compared to any smaller Cat dozers the blade response has never been what I would call quick. It seems the hydraulic pump used to operate the blade is a shared pump with another circuit, maybe...
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    case 58sm question

    I would bet you left the ride control engaged.
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    Cat d 5 h lgp

    Change the trans filter first and clean the metal screen. I know when mine needs to be changed it sometimes won't go the first time I engage it. I hope that does the trick because it only gets expensive after that. Nick
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    1987 Hitachi UH123 cranking starting issue

    The relays below the throttle handle are easy to access. Remove plate under throttle. 10mm I think, push seat back and you can see them. They look like horn relays, try swapping them around. Nick
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    D5H LGP trans. temp

    I have a D5lgp since new and it always runs at 210. I checked radiator, trans filters, and changed fluid, always same. Runs fine. Nick
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    1987 Hitachi UH123 cranking starting issue

    There is a battery relay behind the battery box that also went bad on me some time ago that caused a no start. Check it out. I have a service manuel and parts book with electrical info if you need info. I'm sure the machines are similar except for size. I have an original 123 sales pamphlet, the...
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    1987 Hitachi UH123 cranking starting issue

    I have a Hitachi 143 and had a no start problem last year. I finally narrowed it down to a pair of relays behind the panel under the throttle control. I tapped the relays while turning the key and it started. I took relay apart and cleaned and bent the contacts so they closed tighter and it...
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    Differences between a Cat 951 and a Cat 955

    TC & Rusted, after checking the serial number plate on the engine which shares the same # as the machine I guess what I've always thought was a 3304 is in fact the D330C. I have a spin on oil filter that I converted along with the updated lift kickout, I have a fully enclosed rops cab which is...
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    Differences between a Cat 951 and a Cat 955

    TC, as I remember, the D330 has a spring tension on the fan belt, also the head is very different with all those rubber inserts with the brass centers where the head mates with block. I've had the engine in my 955H with that engine apart a few times. Nick
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    Differences between a Cat 951 and a Cat 955

    Your right TC, it seems I did mistakenly say the 951C was 6 3/4. My 951B was an 86J949 made in USA with the 3304. My older 955H had the D330 which was also in the early 955K 61H serial #. Interesting that all the 951's where you are only came with D330. I wonder if it also was in earlier 951B's...
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    Differences between a Cat 951 and a Cat 955

    TC, I have my 951 since new and it has the 3304, just rebuilt it so no mistake there. It came with the 6 3/4pitch and I changed the sprocket to use the 6.91 pitch, allowed my to use the track group from my 955K minus 2 links, I also changed the return to dig valve to the 951 C design. The 951C...
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    Differences between a Cat 951 and a Cat 955

    Yes, your 13X has an 8" pitch, the 951C has 6 3/4" pitch. They also have different width track pads. Your machine is 15" the 951 is 14". I have used 15" pads on my 951 even though cat they don't fit, they are close but work fine. Feel free to ask anything else that has you scratching your...
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    Differences between a Cat 951 and a Cat 955

    The hydraulic cylinders are not the same, bucket on 951 smaller, bellcranks different. The hydraulic pump is actually not even connected the same way, 951 is attached to engine, 955 is mounted to the torque converter. Hope this was of some help. Nick
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    Differences between a Cat 951 and a Cat 955

    I have a 951B and it has the 3304. I also have a 955K also with 3304. Difference is, the 955k is turbo charged, probably different size valves in head, possible different or at least set up different injection pump. I can tell you that undercarriage parts are same until you get into the later...
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    Cat 955K - Any common problems or things to look for

    I remember having a different fan blade for the 955H for winter use. I would unbolt the regular fan and install fan with reverse blade set up.
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    Cat 955K - Any common problems or things to look for

    If your 55k is a 67 then your serial # must begin with 61H. If that's the case then you have the D330 engine which didn't last long in the 55K and L series machines. It was replaced by the 3304 which was a much better engine. The later 3304's had the reversible fan from the factory, it held up...
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    Hitachi UH14 / UH143

    If you go to a john deere dealer have them look up the seals for a 792. That is the same machine as the 143 except for the engine. I'm sure you can still order them. I have a parts book if you want to know the part numbers.
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    Cat 955K - Any common problems or things to look for

    Your fan is attached to the water pump shaft?
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    Hitachi UH14 / UH143

    JGS, what controller are you referring to? Hydraulic control valves that operate boom,stick,bucket,swing?
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    Hitachi UH14 / UH143

    The UH143LC/UH12LC-7 weighs in at 64,000lbs. the UH171/UH172/UH14LC-2 weighs 91,000lbs. The UH143 is a 1.2 cu/m or 1.75 cu/yd. The UH172/UH14 is a 1.40 cu/m or 2.00 cu/yd. I have a UH143 and changed out the smaller bucket many years ago to a 2 cu/yd bucket from a UH181. The 143 handles that...
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