I'm still on the fence about which tractor to buy. The deere 60 has some things I like better but the 306 Cat has a couple nice things about it.
Cat 306 is #1,000 pounds heaver, on paper has 2 extra HP.
Deer has a larger engine without a Turbo 204CI. Cat only has a 148 CI engine with turbo but I like the idea of a larger engine and no turbo to maintain.
Deere has a 1 & 1/2" wider cab but it is 6" shorter and the extra 6" is in the leg area, Cat has sliding windows on both sides, in addition the cat has a roof window blind and the deere does not.
Deere has A/C and stereo as separate units but with the cat both are ran through the main control monitor. If either quits working will be more expensive to repair.
On the outside the deer has a 1' longer reach, both compared with long arms.
Deer has a better quick connect system, the Cat requires you to spend an extra 2 grand to buy the pin grabber.
Cat has an extra hinged door for access points, I never saw the HYD oil filters on either machine.
Deer battery is easy to get to, Cat battery looks to be a pain is the rear to change.
Both tractors has a REGEN system but on the JD you can opt out and the delay the process if you need to, on the cat you can not.
The Cat gravy, On the Cat with the push of a button you can convert the left joy stick to drive mode and navigate the tractor, really nice feature but with that the sticks and pedals are now just in the way and not needed.
Price wise, with the following.
quick connect stick ends
2 buckets
hyd thumb
3 year 2,000 hour warranty, (1 extra year added without added time)
long stick and extra counterweight
stereo
Deere $68,000 cash price
Cat $74,000 cash price