The D8 14A uses the #48C1-up s/n hydraulic system
The 3T s/n 23647 uses the #46C1-up s/n hydraulic system
Both use 100gpm pumps at that s/n but they are a different pump part number.
They are both very similar systems.
Your 14A8667 is a 1958 model.
Thanks Old Magnet
Richard
100gpm??? is this correct.
tctractors
yes it is.