10-18-2010 ® Mega Corp., Inc. All Rights Reserved

MEGA CORP.®

700 Osuna Rd. N.E. • Albuquerque, NM 87113 • 1-800-345-8889 • 505-345-2661 • Fax 505-345-6190www.megacorpinc.com

Specifications

Heavy duty cast iron frame Built to last! Drilled and tapped lift points Ease of installation and maintenanceJack points Ease of disassembly/Ease of maintenanceStandard corrosion resistant stainless steel impeller Long life in bad water Easily replaceable packing mount and volute case Allows standard cast iron pump to easily be converted

to corrosion resistant pumpHeavy duty drive shaft Built to last! Heavy duty bearings Built to last! Keyed impeller mounting Ease of maintenanceSuper duty motor coupling Built to last! Direct mount hydraulic motor mount Perfect motor alignment. Ease of maintenanceVolute case available in Cast iron and Stainless Steel Can be converted to corrosion resistant without

replacing entire pumpGraphite impregnated rope packing More tolerant of being run dry than mechanical seal

Ease of maintenanceEasily removable packing follower Ease of maintenanceLantern ring If no leaking around packing is desired

fEAtuRES bENEfitS

Performance Curves

SPECiALtY HAuLAGE SOLutiONS fOR CONStRuCtiON AND MiNiNG

Mega M4 Water Pump Assembly

Mega M4 Water PumpStandard- 304991

Mega M4 Water Pump Corrosion Resistance-304992

Mega M4 Water Pump12 inch Trimmed Impeller-3050741

(Also available in stainless steel.)

Mega M4 Water Pump AssemblyThe Mega M4 pump is a high performance open centrifugal pump specially designed for mining and construction water tankers. With a large 6 inch intake and 4 inch outlet this pump will deliver up to 120 psi water pressure and over 1000 gpm. The Mega pump is designed for high durability and ease of maintenance in severe service applications.

Choose A Motor1 Choose A Mega Water Pump

Oil flow Rate (GPM)

Part No.(Splined Shaft)

Part No. (Keyed)

Gear Width

302072 30037 1.00 1972 2254 2535

302073 30038 1.25 1805 2030 2256 2481 2707

302074 30039 1.50 1878 2066 2254 2441 2659

302075 30040 1.75 1933 2094 2255 2416 2577 2738

302076 30041 2.00 1972 2113 2254 2395 2535 2676

302077 30042 2.25 1879 2004 2130 2255 2380 2505 2631 2756

302078 30043 2.50 1916 2028 2141 2254 2366 2479 2592 2704

302079 30044 2.75 1845 1947 2050 2152 2255 2357 2460 2562 2665

302080 30045 3.00 1972 2066 2160 2254 2348 2335 2441 2629 2723

35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145

DesireD rPM range (1900-2100) with tractor engine at high iDle (Full throttle)

Mega Gear type M75 Series Hydraulic Motors

1.5 inch (#24 hose) Split flange Connections

Choose A Motor2 Hydraulic Motor Gear Size Determination

Gear Width formulaGear Width= W - 1 inch

W

Motor-Cross Over

Part Number037825

M4 Dimensions3

For More Information Call: 1-800-345-8889 or 505-345-2661 • Hours of Operation 7:00am-5:00pm MSTwww.megacorpinc.com

*in. Measurements are indicated in inches.**mm Measurements are indicated in metrics.

9.01 in.*229 mm**

9.38 in.238 mm 22.73 in.

577 mm

12.01 in.305 mm 7.50 in.

191 mm

8.75 in.222 mm

6.00 in.152 mm

5.50 in.140 mm

9.51 in.242 mm9.88 in.

251 mm

7.00 in.178 mm

4.50 in.114 mm

34

32

31

10

11

13

18

19 16

15

19

23

21

22

2026

27

1425

29

17

35

36

19

30

30

33

37

12

2428

ITEM PART NO. DESCRIPTION QTYSPARE PARTS

304991 Mega M4 Pump Assembly-Standard

304992 MEGA M4 Pump Assembly-Corrosion Resistant

305074 MEGA M4 Pump Assembly-Trimmed Impeller 12 inch

1 305097 Bracket, M4 Pump 1

2 305628 Shaft, Carbon Steel, M4 Pump 1 X

2S 305629 Shaft, Stainless Steel, M4 Corrosion Resistant 1 X

3 305632 Set Screw, M4 Pump 1 X

4 305627 Nut Impeller, M4 Pump 1 X

5 305100 Water Slinger, M4 Pump 1 X

6 304960 Seal, Grease, Impeller Side, M4 Pump 1 X

7 305096 Sleeve, Wear, Shaft, M4 Pump 1 X

8 304956 Bearing, Impeller Side M4 Pump 1 X

9 305106 Key, Impeller, M4 Pump 2 X

10 305108 Bearing, Drive Side, M4 Pump 1 X

11 305631 Washer, Tab, Bearing Retainer, M4 Pump 1 X

12 305630 Nut, Shaft, M4 Pump 1 X

13 305101 Key, Shaft Drive End, M4 Pump 1 X

14 305113 Seal, Grease, Drive Side, M4 1 X

15 305102 Coupling, Shaft to Motor, M4 Pump 1 X

16 305107 Set Screw, Coupling, M4 Pump 2 X

17 305099 Mount, Hydraulic Motor, M4 Pump 1

18 350149 Bolt, 3/8 inch x 2 inch GR 8, Motor Mount, 4

19 304968 Grease Fitting, 1/8 inch, NPT 3 X

ITEM PART NO. DESCRIPTION QTYSPARE PARTS

20 305094 Packing Mount, Standard, M4 Pump 1

20S 305118 Packing Mount, Stainless Steel, M4 Corrosion Resistant 1

21 305091 Wear Ring, Packing Mount, M4 Pump 1 X

22 305111 Seal, O-Ring, Volute, M4 Pump 1 X

23 305340 Bolt, Packing Mount, M4 Pump 8 X

24 305626 Cap Screw Nyltite Seals, M4 Pump 8 X

25 305114 Packing 3/8 inch, Set of 5 Rings, M4 Pump 1 X

26 305112 Lantern Ring, M4 Pump 1 X

27 305105 Stud, Packing Gland, M4 Pump 2 X

28 305288 Nut, Packing Gland Flanged, M4 Pump 2 X

29 305098 Packing Gland (Pair), M4 Pump 1 X

30 305075 Impeller 13 inch Diameter, Stainless Steel, M4 Pump 1

30S 040666 Impeller 12 inch Diameter, Stainless Steel, M4 Trimmed Impeller 1

31 305090 Volute Case, Standard Cast Iron, M4 Pump 1

31S 305115 Volute Case, Stainless Steel, M4 Corrosion Resistant 1

32 305092 Wear Ring, Volute, M4 Pump 1 X

33 350232 Bolt, ½ inch X 1 ¾ inch GR 8, Volute Case, M4 Pump 8

34 350852 Plug, Volute, M4 Pump 3 X

35 302527 Inlet Flange Gasket, 6 inch, M4 Pump 1 X

36 012930 Outlet Gasket, 4 inch, M4 Pump 1 X

37 300460 Petcock Drain, M4 Pump 1

38 305402 Packing Kit, M4 Pump 1 X

39 305403 Shaft Kit, Standard, M4 Pump 1 X

39S 305405 Shaft Kit, Stainless Steel, M4 Corrosion Resistant 1 X

40 305404 Impeller Kit, Standard & Corrosion Resistant M4 Pump 1 X

Shaft Kititems: 2-16, 22-26

Packing Kititems: 25, 26

impeller Kititems: 3, 4, 9, 21, 22, 30, 32

2s2

97 5

6

8

4

3

1

20s

30S

31S

39

38

40

39S