Sounds like it could be a possibility of three things (or possible more). The one I'd look at first is the Pilot control joystick. A total of 6 hoses run to it. Internally you could have a bad valve/seal leak. Normally you will see oil seeping from the small plunger/valves that work from the...
From your original post you said it was knocking so the main bearing was shot causing the rod to break. That probably happened from slamming around on the rod journal, intern breaking going through the block. It's a shame you had to buy a new engine. I've welded a few blocks stitching the hole...
I've worked on many of these skid steers ASV and Caterpillar, and have done complete engine overhauls on many of these 3024C Cat engines (Also same as Perkins 404C-22) The early RC60 head gaskets were a fibrous gasket and known to blow between cylinders or blow into the water jacket between the...
The fuel tank comes out through the top. Best bet is to pull the ROPS. Its fairly simple, but it all depends on your mechanical skills too. You'll need a forklift (what I used) to lift off, or chain fall will work. It was to awkward for two guys to lift. I've had the tank out of mine numerous...
I did a complete rebuild on my RC-50 engine and found that they are the same as many ford shibaura type engines. Look on eBay for SBA131406360 same deal I put in my Cat 3024c/Perkins 404c. There $60 bucks each... Been working great for 150 plus hours so far....