Annovi Reverberi AR135 diaphragm pump and 6:1 reduction gearbox for 3/4 inch shaft engine 
128 lpm 
20 bar (290 psi)
(2 x pieces: AR135 pump and 19.1671 gearbox - assembled )

Annovi Reverberi diaphragm pump
Model AR135
Performance:
128 lpm (33.8 gpm)
15 bar (217 psi) with 5.5 hp
20 bar (290 psi) with 11 hp
550 rpm
Features:
3 diaphragms
60 degrees C max temperature
Self-priming
OK to run dry
Materials:
Alumimium body
Plastic coated cylinder heads
NBR diaphragms
Oil type:
SAE30 engine oil
Pump ports:
1 inch BSP(M) outlet thread
54 mm metric (M) inlet thread
25 mm (1 inch) outlet hose tail
40 mm (1-1/2 inch) inlet hose tail