Heavy Equipment Service manuals

So another hobby of mine is owning and using heavy equipment on my property.
I have quite a few pieces of mass destruction. All operational and fun.
Any one have a good place to purchase service manuals and parts manuals other than the dealer for excavators, bull dozier, pay loaders?

I just bought a John Deere 450E dozer and it arrived with out the service manuals I was promised with the deal. So I went to the farm where the machine came from and the office burned down 2 nights before. I original owner is taking off cost of the manuals from the purchase price. The manuals were worth about $1000 but are now ash sadly.

When I bought my last Excavator Hitachi EX-120-2 I bought the manuals online via down load. they were Russian manuals converted into English. They did a great job but those few hard to translate English words can really throw a monkey ranch into it. LOL!
Joe