Kubota B1830 Workshop Manual page 363

B1830,B2230,B2530,B3030, WSM
2. HYDRAULIC PUMP
The hydraulic pump is composed of the casing (1),
side plate (4), and two spur gears (drive gear (3) and
driven gear (2)) that are in mesh.
Hydraulic pump is driven by the fuel camshaft.
Maximum displacement is as follows.
Hydraulic Pump (for 3-points Hitch)
Displacement
B1830 20.5 L/min.
B2230 5.4 U.S.gals/min.
B2530 4.5 Imp.gals/min.
19.7 L/min.
B3030 5.2 U.S.gals/min.
4.3 Imp.gals/min.
Hydraulic Pump (for Power Steering)
Displacement
B1830 15.4 L/min.
B2230 4.1 U.S.gals/min.
B2530 3.4 Imp.gals/min.
14.8 L/min.
B3030 3.9 U.S.gals/min.
3.3 Imp.gals/min.
(1) Casing
(2) Driven Gear
(3) Drive Gear
(4) Side Plate
8-M2
HYDRAULIC SYSTEM
Engine speed Condition
-1
At 2700 min
at no load
(rpm)
-1
At 2600 min
at no load
(rpm)
Engine speed Condition
-1
At 2700 min
at no load
(rpm)
-1
At 2600 min
at no load
(rpm)
(5) Hydraulic Pump
(for 3-Points Hitch)
(6) Hydraulic Pump
(for Power Steering)
9Y1210003HYM0002US0
KiSC issued 05, 2012 A