• Thank you for visiting HeavyEquipmentForums.com! Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. We welcome you to register using the "Register" icon at the top of the page. We'd appreciate any help you can offer in spreading the word of our new site. The more members that join, the bigger resource for all to enjoy. Thank you!

Search results

  1. S

    CAT 303.5 Refurbish Picture Thread

    I'm the owner/operator of a CAT 303.5 that I use in my small excavation business (basement waterproofing, gravel driveways, concrete slab prep, land clearing, ditching, utility trenching, and more). I also use it on my 40 acre wooded lot that I am developing to eventually build a home on. The...
  2. S

    Toric ring feels impossible to get in

    I'm doing a reseal on a cat 303.5 mini excavator final drive motor. The toric ring is extremely tight to go in. With two people using the wire between the faceplate and toric ring to press it in we are unable to get it to seat in. If trying the method of working the toric ring in using a blunt...
  3. S

    Replacement Seat

    Just looked up the cost of a replacement seat for my CAT 303.5 mini excavator ... $1500! Anyone replaced it with another seat of decent quality? I'm sure I can find one for a few hundred and make it work. If anyone has purchased a specific seat and found it comfortable let me know. Thanks
  4. S

    engine smoke after choking engine out

    cat 303.5c cr dmy00326 So I had a bit of an ordeal today, sprung a bit of a hydraulic leak on the thumb hose that flexes a lot. Went to shut down the machine and my fuel shutoff solenoid is intermittent so of course when i went to shut off the machine it didn't work this time. backup plan is a...
  5. S

    cat 303.5c cr hydraulic leak

    hi there, see attached picture: i thought it was a fuel leak from the filter area but found it dripping from the large 90 degree fitting picture in the middle/top of the pic. Is this a simple tighten and or o-ring replacement repair? Not afraid to wrench on it just don't know exactly what I'm...
  6. S

    case 1835 broken cable link part

    Hello, I have been working on my case 1835 sorting out some control linkage and parking brake issues. I finally got the updated staple for the parking brake cylinder to get my parking brake operational. I got everything all buttoned up and went to do my adjustments on the linkage and I broke one...
  7. S

    cat 303.5 turbo VNT adjustment

    Hey there, I have a new to me 2006 cat 303.5c serial dmy00326 and it has the mitsubishi s3q2-t turbo diesel engine in it. I've been going over the whole machine and getting it up to snuff and it's been a bit of an adventure. I noticed that the vane lever on the turbo was pretty sticky and the...
Top