Specifications

15
MODEL MH25/50/51
Performance data shown are the average results based on series of tests of production units and not necessarily
representative of any one unit. Tests were run with oil viscosity 150 SUS at 100°F
MH25/50/51 PUMP PERFORMANCE DATA
Speed RPM 1" G.W. 1 1/4" G.W. 1 1/2" G.W. 1 3/4" G.W. 2" G.W. 2 1/4" G.W. 2 1/2" G.W.
900
GPM 8.5 10.5 13 15 17.5 20 22
LPM 32 39.5 49 57 66 75.5 83.5
1200
GPM 12 15 18 21 24 27 30
LPM 46.5 57 68 79.5 91 102 114
1500
GPM 15 19 23 27 31 35 39
LPM 57 72 87 102 117 132 146
1800
GPM 18 23 27.5 32.5 37.5 42 47
LPM 68 87 104 123 142 159 178
2100
GPM 21.5 27 32.5 38.5 44 48.5 55
LPM 81.5 102 123 146 167 187 208
2400
GPM 25 31 37 44 51 57 63.5
LPM 94.5 117 140 167 193 216 240
MH25/50 MOTOR PERFORMANCE DATA
1" G.W. 1 1/2" G.W. 2" G.W. 2 1/2" G.W.
2000 psi 140 bar 2000 psi 140 bar 2000 psi 140 bar 2000 psi 140 bar
A B A B A B A B
800
10.5 670 15.5 1070 21 1450 26 1850
39.5 7.5 58.5 12.5 79.5 16.5 98.5 21.5
1200
15.5 680 22.5 1075 30.5 1450 37.5 1840
58.5 8 85 12.5 115 16.5 142 21
1600
20 670 30 1045 40 1440 49.5 1750
75.5 7.5 114 12 151 16.5 187 20
2000
25 660 37 1030 49 1415 61.5 1720
94.5 7.5 140 12 185 16.5 233 20
Speed RPM
MH51 MOTOR PERFORMANCE DATA
1" G.W. 1 1/2" G.W. 2" G.W. 2 1/2" G.W.
2500 PS1 175 bar 2500 PSI 175 bar 2500 PSI 175 bar 2250 PSI 175 bar
A B A B A B A B
800
10.5 825 15.5 1310 21 1810 26 2330
39.5 9.5 58.5 15 79.5 21 98.5 27
1200
15.5 850 22.5 1340 30.5 1830 37.5 2340
58.5 10 85 15.5 115 21 142 27
1600
20 830 30 1330 40 1805 49.5 2300
75.5 9.5 114 15.5 151 21 187 26.5
2000
25 800 37 1290 49 1770 61.5 2250
94.5 9 140 15 185 20.5 233 26
Speed RPM
Shaft Style Integral Two Piece
SAE "BB" Spline 9,900 8,000
SAE "BB" Key 6,600 6,600
SAE "B" Spline 6,400 6,400
SAE "B" Key 5,750 5,750
SAE "C" Spline 13,850 8,000
SAE "C" Key 13,000 8,000
Connecting Shaft 8,000
MH50/51 PL CHART
A: Input Flow GPM / LPM
B: Output Torque IN / lbs Nm
GW: Gear Width