depending on ho many RPM`s the pump has to run at i would look into direct drive with lovejoy / tri jaw couplers TSC should have those readily available in the hydraulic section, my 1023`s are factory direct driven and i was looking 2067 gast that had no motor and thats how i planned to couple it to a 2 hp marathon electric motor.
2x6 leader WSE with AUF, hood,preheater
waterguy RO
leader 16 gal custom water jacketed canner
10 in short stack wes fab filter press
540 taps on tubing with vac & always adding
2- benders running 25" hg from GAST vac pumps
few stainless bulk tanks
1978 chevy 1 ton 4x4 dually
IH T340 dozer with 6-way blade