Max torque of Kubota D-640

[Nutmeg]

I just bought a Kubota D-640 for $100. Only needed a head, so I put my D-722 head on, and it'll have the D-722 injectors. But how much torque do the D-640's have from factory and how much would it have with the D-722 injectors? (The head fits perfectly)

 

[North Idaho Wolfman]

Your going to see little, to no change, in fact you might even get a loss as the ratios are going to be wrong.

 

[Nutmeg]

Your going to see little, to no change, in fact you might even get a loss as the ratios are going to be wrong.

Yea, oversize injectors. I'm trying to figure out how much torque the 640 has from factory. I'm trying to figure that out so I know how it'll work in my tractor that I'm swapping it into. ;-)

 

[North Idaho Wolfman]

I don't know the torque value, but I can tell you your dealing with a motor with 5 less HP per listed specs.