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Thanks to all for the advice.

Lacking a simple Buy-and-Install solution, I've decided that rather than trying to home-engineer a belly mower for the Satoh S-373D, to instead purchase a riding lawn mower - otherwise the grass would be over my head before it got mowed.

I am ashamed and chagrined to pay for yet another motor and set of wheels to be maintained, when the Beaver III might have been capable of the job - but since it has "only" 16.5 HP - maybe not.

The new John Deere LA145 "lawn tractor" has 22 HP, but there is no doubt in my mind that I can get more work from the Beaver's 16.5 HP diesel.

I paid about the same for the new lawn tractor as I did for the used Satoh ($2000 vs $2300), but I'm pretty sure the LA145 will not still be doing any useful work when is gets to be as old as the Satoh. In retrospect, considering my total investment for the two machines, it would have been better to get a more modern equivalent of the Beaver for which a belly mower is available. Sadly, the availability of the perfect used machine does not always coincide with the time of greatest need.

Can anyone tell me what this "MMM" means?

auerbach - I've never really looked a belly mower on a compact tractor, I didn't realize the 3 point hitch was used to raise and lower them. Guess my extra hydraulic cylinder was used for something else.

hardwood - not sure what you are talking about. I can leave the blade of my PTO-driven brush hog spinning while the drive gear is in neutral, so I guess it's independent? The PTO engagement lever has 3 speeds and it's own neutral.

murf - maybe someday I'll try to rig something as you've described - I'd enjoy the challenge. With a little luck, maybe I'll have about 8-10 years before the lawn tractor dies.

-gw

Beaver III belly mower
Mitsubishi
Replies 8 Post by runswithsizzers

I have a Satoh Beaver III, S-373D (made by Mitsubishi). This is a 4 wheel drive model. <br>
<br>
My question is about how the front axles are lubricated.<br>
<br>
There are 3 plugs on the front end which appear to be for adding fluid: one on top of the left axle housing, one on the righ.t and a third on the front differential housing. <br>
<br>
What fluid should I use, and how can I tell if enough fluid is present?<br>
<br>
Can anyone recommend a good manual for routine maintenance? I have a very detailed REPAIR manual, but it's not so good for maintenance.<br>
<br>
Thanks,<br>
<br>
-GW

Satoh Beaver front axle fluid
Mitsubishi
Replies 2 Post by runswithsizzers

I have Satoh Beaver III, S-373D, made by Mitsubishi.<br>
<br>
Due to the poor availability and high cost of Mitsubishi replacement mufflers, I have been considering having a generic muffler welded to the mounting plate of my present muffler. However, since I know nothing about muffler requirements for diesel engines, I wonder if it is necessary for the muffler to provide a certain amount of back pressure for the engine to run properly.<br>
<br>
Has anyone tried substituting 3rd party mufflers on a diesel engine, and how did it work out?<br>
<br>
Can anyone recommend a commonly available muffler for a 776 CC, 16 HP, 3 cylinder diesel engine?<br>
<br>
Thanks,<br>
-GW

Mitsubishi Muffler shortage substitutes
Mitsubishi
Replies 2 Post by runswithsizzers