D16 help

So this past week bicycle fell off the back of a car and I had no place to go... I centered it and drove over it. Resulting in a finger size hole in my oil pan and a busted drain valve on my air tank.
I'm looking for a little help as I am not sure I want to tackle this job myself. Is it possible to swap the oil pan without having to drop the axle? Any idea what this would run me at a dealer?
Thanks in advance!

W

 

The D16 is a special motor... and quite massive compared to most. I know that the head has to go into the cab via the dog house if it needs to be removed. Thus why I am curious if the axle is an issue to drop the pan or is it a simple job as draining oil and R&I.. and back on the road.

 

The owner of the bicycle never stopped and I couldnt get a plate#
I'm waiting on my insurance company to make up their mind how they plan to handle it.

Dealer is telling me its a 4.5 hour job, so I am assuming I don't have to drop the axle. If that's the case, I may just bite the bullet and replace it myself. Save the hassle with the insurance....