Changing oil in your Class A diesel motorhome is easy. Avoid the high labor rates at RV Dealerships and truck repair shops. Below are links to the filter tools I used. The Fumoto valve is installed in all my vehicles.
GEARWRENCH Wide Oil Filter Wrench 4-1/8" to 4-1/2", Heavy-Duty:
www.amazon.com/gp/product/B005P3HPUA/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Lisle 60200 Heavy Duty Strap Filter Wrench:
www.amazon.com/gp/product/B007QVB71C/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
Fumoto USA:
www.fumotousa.com/
Fumoto F-104N
www.amazon.com/gp/product/B003VC97N0/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1