Liebherr LH30VO Axial Piston Hydraulic Pump LH30VO045 high-quality piston pump

Normal size

028

045

085

100

Nominal pressure [pN] [bar]

280

280

280

280

Maximum pressure [pmax] [bar]

320

320

320

320

Displacement volume

Vg max

inch3
(cm3)

1.75
(28.7)

2.84
(46.5)

5.25
(86.1)

6.32
(103.5)

Vg min

inch3
(cm3)

0

0

0

0

volume flow at Vg max and nmax

qv max

us.liq.gal/min
(1/min)

25.02
(94.7)

36.85
(139.5)

54.58
(206.6)

65.62
(248.4)

Min. speed at Vg max and pabs = 14.5 psi
(1 bar) at the suction port

n min

rpm

100*

100*

100*

100*

Max. speed at Vg max and pabs = 14.5 psi
(1 bar) at the suction port

n max

rpm

3,300

3,000

2,500

2,400

Drive torque at Vg max and Δp = 4,061 psi
(280 bar)

M max

lbf ft
(Nm)

94.3
(127.9)

152.8
(207.2)

283.0

(383.7)

340.1
(461.1)

Drive power at qv max and Δp = 4,061 psi
(280 bar)

P max

kW
(hp)

59.3
(44.2)

87.3
(65.1)

134.6
(100.4)

155.4
(115.9)

Driving gear moment of inertia

JTW

lb·ft2
(kg m2)

0.0475
(0.002)

0.0949
(0.004)

0.2302
(0.0097)

0.3037
(0.0128)

Maximum angular acceleration

a

rad/s2

7,300

5,400

3,900

3,500

Weight without through-drive (approx.)

m

ib
(kg)

35.27
(16)

46.30
(21)

85.98
(39)

89.29
(40.5)

Weight with through-drive (approx.)

m

ib
(kg)

39.68
(18)

52.91
(24)

94.80
(43)

98.55
(44.7)

Torsional stiffness

Driving shaft code “A1”

lbf ft/rad
(Nm/rad)

14,604
(19,800)

17,406
(23,600)

–

–

Driving shaft code “A2”

15,931
(21,600)

20,357
(27,600)

–

–

Driving shaft code “A3”

□

23,602
(32,000)

–

–

Driving shaft code “A4”

□

24,044
(32,600)

–

–

Driving shaft code “A5”

–

–

51,482
(69,800)

57,087
(77,400)

Driving shaft code “A6”

–

–

59,521
(80,700)

67,339
(91,300)

Driving shaft code “A9”

–

–

75,157
(101,900)

86,516
(117,300)

Driving shaft code “A10”

–

–

76,190
(103,300)

92,269
(125,100)