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99% likely the connecting rod is broken and the stump poked a hole in the block. Don't start it again. The broken out pieces they could be brazed back in place - but that would come WAY down the road after finding and fixing what caused the rod to fail - and what else inside the engine needs...

As a first step, I'd try to turn the engine over by hand. L35's have a wet clutch so it wouldn't work to just put it in gear and turn a jacked up rear tire. Without using the starter, the engine could be turned using a wrench on the pto from the back end. The pto only drives in one direction...

For Kubota L305 and L345 parts mainetractors.net may be a source. Currently they don't list a L305 block but they do show one for an L345 (4cyl). Edit: - As I finished the post above I realized the L345's engine is 4 cylinders and is very different from the L305's 3-cylinder so the one in...

Thanks, I should have checked the dates. Do you know what they found? Thanks for setting me straight - Dick B.

From your description, it sounds like the one-way clutch in the transmission might be installed backward. It might be able to mount either way and was put in backward at some point. The Kubota parts drawing shows the one-way clutch 030. There is a used one at Wenger's (at a pretty big price)...

The Woods RM550 is a scaled-down version of the RM990 (which I've had 5 of). If the mower is bogging your tractor down to the point of stalling, a possible cause is a bad bearing somewhere. First check the main gearbox on top to make sure it has oil - its bottom seal can leak and eventually...

The hoses can get looking pretty bad, but they're ok to use until they start springing leaks. The local auto parts store with a hose bench is ok for a quick single hose but is pretty pricey. Surplus Center can be cheap but usually doesn't have the right end fittings. My go-to for hoses is...

Great tractor - and welcome to OTT ! It's always nice to see someone "discovering" an L3 Kubota model - the L3750 is a very good machine ('84 thru '90) and is one of the models that helped K rise in the compact tractor market. They had high build quality and many are still going strong...

Sorry to hear of the unlucky event. The big beautiful doors on your B2650 have slightly CURVED glass - which makes them very strong (and expensive). I checked Broken Tractor and John Conaty - lots of tractor glass but no listings for B2650. I believe Kubota is the only source. My...

I've been thinking more about your L4150 you've described above as "stuck in gear". Is this true? Is the shift lever really "stuck" ? Or can it be moved by hand to neutral ? I edited Post #13 above to include ways to move the machine even if it's stuck in gear and can't be shifted out of...

From the new facts, the second sentence in the original post doesn't quite add up. It should maybe say the clutch doesn't disengage? That would line up with "stuck in gear", and with Wolfman's point that the shift fork could be broken (failing to disengage the clutch). It might be possible...

The clutch pedal moving with no effect actually sounds like the machine is in neutral. The L4150 has a Hi-Lo range lever on the left side - any chance it got moved to neutral? Some L4150's had a manual reverser (shuttle) lever on the left side too - which would also have a neutral. Hope my...

My L345 main fuse was blown and I was surprised to find that the glow plug circuit had ZERO resistance! Isolating them I found one actually shorted to ground. I haven't taken it out yet, waiting get a new one. But the question is - how can a glow plug fail other than to just burn open? I've...

Dan is right - BOTH sides of the piston are pressurized when dumping the bucket. To allow good curl control, the system uses the larger area on top of the piston to overpower the bottom area to "push" it down, safely controlling the load. Dick B.

I'll add a couple points - the two diagrams above don't really show how Kubota 5-cylinder engines are built. The drawing below is from my L5450 WSM which has the F2803 version of the 5-cylinder layout. Notice that at the back cylinder (No 5) the crank has thrust bearings on each side of the...

My friend has 45k bushel orchards that need spraying often this time of year to control fungus and bugs. When pulling a 2-ton sprayer, you don't get a second chance to put it in 4wd. You're stuck and there's a lot of money in the tank - the materials degrade in water, so waiting for a tow costs...

Turfs can be more tolerant. Other factors that affect the scrubbing one way or the other also include inflation pressure and whether you're driving it on paved surfaces or not. Maybe just get in the habit of using 4wd only when needed ?

I've posted about this in some posts here (see link below). The term "mechanical ratio" is sometimes used to describe 4wd tractor traction differences front-to rear. There's another formal term called TRANSFERENCE RATIO which compares front and rear gearing, showing the differences in axle...

I edited my post now that I see how the blades are attached. Sure looks like the center bar had a ton of residual stress from being cold bent to shape. Mild steel would stand it but whatever this is has to be annealed before that much bending. Heat treating can be good, but only AFTER all the...

Sorry to hear about this - especially after all the work you've done on it. I agree with Wolfman - running an HST even for just a few minutes without everything inside being immersed in oil will quickly damage the many polished surfaces it relies on to function. Once they're scratched/scored...