It is the motor for cooling the radiator as rotating the fan by
  hydraulic power
2 kind of type-with control valve or without control valve
Use the various hydraulic power - 14cc, 19cc, 27cc, 31cc
 

 

 
 
 
OIL (HYDRAULIC FLUID)
1) SPECIES : ISO VG 46 WR OR SIMILAR
2) OIL TEMPERATURE : -20 ℃ ~ 90 ℃
 
MODEL
DISPLACEMENT
(cc/rev)
MAX.SPEED
(rpm)
MIN.SPEED
(rpm)
"A" LENGTH
(mm)
WITHOUT CONTROL VALVE
(14cc)
14
3500
500
63
WITHOUT CONTROL VALVE
(19cc)
19
3300
500
76.3
WITHOUT CONTROL VALVE
(27cc)
27
2800
500
82.2
WITHOUT CONTROL VALVE
(31cc)
31
2500
500
85.2