I made the mistake of buying too small of a tractor, ( jd 4310). I went from an older Massey 235 with no frills to the newer cut style tractor. I am going to take the hit and trade in the jd 4310 for either a tc 45 or jd 4320. Haven't pinned down either dealer on a firm price yet. I don't know much about the nh 3 cyl. diesel. The deere is a turbo 4 cyl. My old Massey has the 3 cyl perkins that has plenty of power so no. of cyls. is not a deal breaker. Who makes the NH diesel?