Annovi Reverberi AR713 BlueFlex diaphragm pump 
Honda GX390 11 hp engine electric start 
VDR 50 I control unit
50 bar (725 psi)
76 lpm (20 gpm) 

Annovi Reverberi AR713 diaphragm pump
3 x diaphragms
Performance:
76 lpm (20 gpm)
40 bar (580 psi)
550 rpm
7.3 hp requirement
Features:
3 diaphragms
60 degrees C max temperature
Self-priming
OK to run dry
Materials:
Anodized aluminium body
BlueFlex long life diaphragms - up to 80% longer life than rubber diaphragms
Pump ports:
3/4 inch BSP(M) outlet port
40 mm inlet hose tail
Pump oil type:
SAE 30 engine oil

Honda GX390 engine
4-stroke
Air cooled  
OHV
389 cc
Performance:
11.7 hp (8.7 kW) @ 3600 rpm
19.5 ft-lb (26.4 Nm) @ 2500 rpm
Capacities:
1.1 litre (1.16 US qt) crankcase oil capacity
6.1 litre (6.4 US qts) fuel tank capacity
Engine oil type:
Honda factory approved 10W/30 engine oil