MTH Pumps, C41 • C51 • C61 Series Close-coupled Centrifugal Pump Dimensions

C41 • C51 • C61 Series Centrifugal Pumps

C41 • C51 • C61 Product Information Page

Close Coupled Dimensions

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Three Phase Close Coupled C41 Series

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3 Phase TEFC Motors

71 Frame

80 Frame

Pump Size

(1/3 HP - 1 HP)

(1 1/2 HP - 2HP)

Model

Disch.

Suction

Imp. Ø

C41AB

1/2

3/4

3 1/4

4 3/16

2 9/16

1 3/16

2 5/16

5 1/4

2 13/16

2 3/16

3 9/16

6 3/16

---

C41BC

3/4

3 1/4

4 3/8

2 5/8

1 5/16

2 7/16

5 1/4

2 13/16

2 3/16

3 9/16

6 3/8

---

C41CD

1 1/4

3 1/4

4 9/16

2 3/4

1 1/2

2 9/16

5 1/4

2 13/16

2 3/16

3 9/16

6 9/16

---

C41DE

1 1/4

1 1/2

3 7/16

4 13/16

2 15/16

1 3/4

2 11/16

5 1/4

2 13/16

2 3/16

3 9/16

6 13/16

---

C41EF

1 1/2

3 5/16

5 3/16

2 15/16

2 1/16

2 13/16

5 1/4

2 13/16

2 3/16

3 9/16

7 3/16

6 1/8

5 1/8

3 1/8

2 7/16

3 15/16

7 3/8

All units in inches

Single Phase Close Coupled C41 Series

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Single Phase ODP Motors

48 Frame

56 Frame

Pump Size

(1/3 HP - 1 HP)

(1 1/2 HP - 2HP)

Model

Disch.

Suction

Imp. Ø

C41AB

1/2

3/4

3 1/4

4 3/16

2 9/16

1 3/16

2 5/16

6 1/8

2 1/8

5/16-18

7 3/16

---

C41BC

3/4

3 1/4

4 3/8

2 5/8

1 5/16

2 7/16

6 1/8

2 1/8

5/16-18

7 3/4

---

C41CD

1 1/4

3 1/4

4 9/16

2 3/4

1 1/2

2 9/16

6 1/8

2 1/8

5/16-18

7 9/16

---

C41DE

1 1/4

1 1/2

3 7/16

4 13/16

2 15/16

1 3/4

2 11/16

6 1/8

2 1/8

5/16-18

7 13/16

---

C41EF

1 1/2

3 5/16

5 3/16

2 15/16

2 1/16

2 13/16

6 1/8

2 1/8

5/16-18

8 3/16

6 9/16

3 1/2

2 7/16

5/16-18

8 3/16

All units in inches

Three Phase Close Coupled C51 Series

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Pump Size

3 Phase TEFC Motors

Model

Disch.

Suction

Imp. Ø

Frame

C51AB

1/2

3/4

3 1/2

4 3/8

3 1/16

1 5/16

2 3/4

71 Frame
(1/2 - 3/4 HP)

2 13/16

2 3/16

3 9/16

6 7/16

C51AB

1/2

3/4

3 1/2

4 3/8

3 1/16

1 5/16

2 3/4

80 Frame
(1 - 1 1/2 HP)

6 1/8

5 3/8

8 1/8

2 3/16

3 9/16

6 7/16

C51BC

3/4

3 1/2

4 7/16

3 1/16

1 5/16

2 13/16

80 Frame
(1 - 1 1/2 HP)

5 1/8

3 1/8

2 7/16

3 15/16

6 9/16

C51CD

1 1/4

3 5/8

4 9/16

3 3/16

1 1/2

C51CD

1 1/4

3 5/8

4 9/16

3 3/16

1 1/2

90 Frame
(2HP)

6 11/16

5 7/8

3 9/16

2 3/4

4 15/16

7 3/4

C51DE

1 1/4

1 1/2

3 11/16

4 15/16

3 3/4

1 7/8

3 1/16

80 Frame
(1 - 1 1/2 HP)

5 1/8

3 9/16

2 7/16

3 15/16

7 1/8

C51DE

1 1/4

1 1/2

3 11/16

4 15/16

3 3/4

1 7/8

3 1/16

90 Frame
(2HP)

6 11/16

5 7/8

3 9/16

2 3/4

4 15/16

7 3/4

All units ininches

Single Phase Close Coupled C51 Series

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Single Phase ODP Motors

48 Frame

56 Frame

Pump Size

(1/3 HP - 1 HP)

(1 1/2 HP - 2HP)

Model

Disch.

Suction

Imp. Ø

C51AB

1/2

3/4

3 1/2

4 3/8

3 1/16

1 5/16

2 3/4

6 1/8

2 1/8

5/16-18

7 3/16

---

C51BC

3/4

3 1/2

4 7/16

3 1/16

1 5/16

2 13/16

6 1/8

2 1/8

5/16-18

7 3/4

C51CD

1 1/4

3 5/8

4 9/16

3 3/16

1 1/2

6 1/8

2 1/8

5/16-18

7 9/16

C51DE

1 1/4

1 1/2

3 11/16

4 15/16

3 3/4

1 7/8

3 1/16

6 1/8

2 1/8

5/16-18

7 13/16

---

All units in inches

Three Phase Close Coupled C61 Series

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*Conduit Box location and dimension only applies to 3HP Motors. All other three phase motors have a side mounted conduit box.

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Pump Size

3 Phase TEFC Motors

Model

Disch.

Suction

Imp. Ø

Frame

C61AB

1/2

3/4

3 1/2

4 3/8

3 1/16

1 5/16

2 3/4

80 Frame
(1 1/2 HP)

6 1/8

5 1/8

3 1/8

2 1/2

3 15/16

6 13/16

9 7/16

C61BC

3/4

3 1/2

4 7/16

3 1/16

1 5/16

2 13/16

90 Frame
(2HP - 3HP)

6 11/16

5 7/8

3 9/16

2 3/4

4 15/16

7 3/4

11 5/16

3 5/8

4 9/16

3 3/16

1 1/2

6 11/16

5 7/8

3 9/16

2 3/4

4 15/16

7 3/4

11 5/16

C61CD

1 1/4

3 11/16

4 15/16

3 3/4

1 7/8

3 1/16

6 11/16

5 7/8

3 9/16

2 3/4

4 15/16

7 3/4

11 5/16

All units in inches

Single Phase Close Coupled C61 Series

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	Pump Size								Single Phase ODP Motors
Model	Disch.	Suction	Imp. Ø	DD	DF	X	Y	Z	56 Frame (1 1/2 HP - 2HP)	BA	AG
C61AB	1/2	3/4	5	3 1/2	4 3/8	3 1/16	1 5/16	2 3/4		7 3/16	14 1/8
C61BC	3/4	1	5	3 1/2	4 7/16	3 1/16	1 5/16	2 13/16		7 3/4	13 5/8
All units in inches

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For a copy of the C Series Manual and C Series Parts List, go to the Product Support Page.

Download a printable version of the C Series Product Bulletin in .pdf format.

Download the complete C Series Series Section (curves and dimensions) from the Standard Products Catalog.

Download a printable, metric version of the C Series Catalog Pages (curves and dimensions) in .pdf format.