InterpumpPumps & Compressors

Interpump PUMP WW966 R

The Interpump WW966 R is an industrial pump delivering 11 L/min at 250 bar, rated 5.51 kW, and designed for high-pressure applications requiring reliable flow control in manufacturing and processing systems.

SKU 3G-ITP-02252

Also listed as: WW0966000 · WW0966 000

Brand

Interpump

Item

PUMP WW966 R

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

Interpump

Flow Rate

11 L/min

Pressure

250 bar

Power

5.51 kW

Speed

3400 RPM

Weight

8.7 kg

Dimensions

225 mm

Power

7.5 HP

Flow (US)

2.9 GPM

Pressure

25 MPa

Pressure

3600 PSI

Datasheet Content

WW966




TECHNICAL INFORMATION
Flow (L/min)                        11
Flow (US Gpm)                       2,9
Rotation regime (rpm)               3400
Pressure (MPa)                      25
Pressure (bar)                      250
Pressure (psi)                      3600
Power (hp)                          7,5
Power (kW)                          5,51
Overall dimensions L x l x h (mm)   225x223x142,5
Weight (kg)                         8,7




WW966                                               3/21/2026   Page 1 - 8
Copyright INTERPUMP GROUP S.P.A
WW966

     Documents

Male shaft (key)

Hollow shaft (key) Ø25,4 - vers. C




WW966                                3/21/2026   Page 2 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)




WW966                             3/21/2026   Page 3 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)

Pos.     Code           Description                  Qty Notes
KIT156   34015601       KIT 156 CPL.SEAL FOR PIST.D13 1

KIT155   34015501       KIT 155 HEAD RING D. 13      1
KIT154   34015401       KIT 154 INTERM.RING D. 13    1

KIT153   34015301       KIT 153 PACKING D.13         1
KIT152   34015201       KIT 152 PACKING RETAINER     1
                        D.13
KIT124   34012401       KIT 124 VALVE CAPS           1
KIT123   34012301       KIT 123 INTAKE/DELIVERY      1
                        VALVE
KIT23    34002301       KIT 23 OIL SEAL D.20X30X5    1


54       53150022       SIDE CRANKCASE COVER         1
53       90067100       CIRCLIP ZJ30                 1
52       90385900       O-RING 25,07X2,62 (3100)     1
51       90260300       PACKING D.13X23X5,8 L.P.     3
50       98196600       PLUG G1/8X8                  1
49       96751400       WASHER 21,5X27X1,5           1
48       96738000       WASHER 17,5X23X1,5           1
47       98217600       PLUG G1/2X10                 1
46       98210000       PLUG G3/8X13                 1
45       44100251       HEAD RING D. 13              3
44       90260200       PACKING D.13X21X4 H.P.       3
43       90507600       ANTI-EXTRUSION RING          3
                        D.13X17X2
42       44216270       INTERMEDIATE RING D. 13      3
41       44080370       PACKING RETAINER D. 13       3
40       90361200       O-RING 31,47X1,78 (2125)     3
39       99303700       SCREW M 8x16-5739            4
38       96701600       WASHER 8,4                   4
37       50200074       PUMP FOOT                    2
36       90164100       OIL SEAL D.25X62X10          1
33       58040009       PISTON D.13X42               3
32       99169000       SCREW M05X55 SPEC. A2-70     3
31       96690500       WASHER D.5X11.5x0.4          3
                        INOX+FKM58/59/63HT
30       96699000       WASHER D.7.5X23X0.5          3
29       97734000       CONNECTING-ROD PIN           3
                        D.10X29,5
28       98204250       PLUG G1/4"x12                1
27       90358500       O-RING 10,82X1,78 (2043)     1
26       99183700       SCREW M 6x14 UNI 5931        5
25       44160022       REAR CRANKCASE COVER         1




WW966                                                            3/21/2026   Page 4 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)

Pos.   Code             Description                 Qty Notes

24     90392000         O-RING 101,27X2,62 (3400)   1


23     44030022         CONNECTING ROD              3
22     44050266         PISTON GUIDE M5             3
21     91489200         KEY 8(h9)X7X35 UNI 6604/A   1


20     44020035         CRANKSHAFT C.9.5 (D.24)     1
19     98210300         OIL DIP-STICK G3/8X51       1
18     44010022         CRANKCASE                   1
17     90161400         OIL SEAL 20x30x5            3
16     91833100         BALL BEARING 6305 SKF       2
15     90389800         O-RING 56,82X2,62 (3225)    1
14     53210851         OIL LEVEL GAUGE             1
13     50150074         CRANKCASE COVER             1
12     99180700         SCREW M 6x12 UNI 5739       8
11     36711501         INTAKE/DELIVERY VALVE       6
10     98222600         VALVE CAP M24X1,5X17        6
9      90384700         O-RING 20,29X2,62(3081)     6
8      36202551         VALVE CAGE                  6
7      94737600         SPRING D. 9,4X14,8          6
6      36200176         VALVE PLATE                 6
5      36200366         VALVE SEAT                  6
4      90384100         O-RING 17,12X2,62 (3068)    6
2      99317500         SCREW M 8x60 UNI 5931       8
1      44120641         BRASS HEAD (D. 13)          1




WW966                                                           3/21/2026   Page 5 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Hollow shaft (key) Ø25,4 - vers. C




WW966                                             3/21/2026   Page 6 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Hollow shaft (key) Ø25,4 - vers. C

Pos.     Code           Description                   Qty Notes
KIT23    34002301       KIT 23 OIL SEAL D.20X30X5     1

KIT156   34015601       KIT 156 CPL.SEAL FOR PIST.D13 1

KIT155   34015501       KIT 155 HEAD RING D. 13       1
KIT154   34015401       KIT 154 INTERM.RING D. 13     1

KIT153   34015301       KIT 153 PACKING D.13          1
KIT152   34015201       KIT 152 PACKING RETAINER      1
                        D.13
KIT124   34012401       KIT 124 VALVE CAPS            1
KIT123   34012301       KIT 123 INTAKE/DELIVERY       1
                        VALVE
85       99179000       SCREW M6X6 UNI 5929 12.9      1
81       10051822       FLANGE FOR PETROL ENGINE      1
80       96702000       WASHER 8,4X15X1,5             4
80       96710400       WASHER 10,5X16X1              4
79       99275500       SCREW 5/16"-24X1" ANSI        4
                        B18.2.1
79       99334600       SCREW 3/8"-16X1-1/4"B18.2.1   4
                        G5
64       99191200       SCREW M 6x30 UNI 5931         4
63       96693800       WASHER 6,4X10X0,7             4
62       90169000       OIL SEAL D. 45X62X8           1
59       90409700       O-RING 55,56X3,53 (159)       1
58       91856800       NEEDLE BEARING DHK 4520       1
56       44020965       CRANKSHAFT C.9.5 (1" HOLLOW) 1


55       90063500       CIRCLIP D. 25 UNI 7435        1
54       53150022       SIDE CRANKCASE COVER          1
53       90067100       CIRCLIP ZJ30                  1
52       90385900       O-RING 25,07X2,62 (3100)      1
51       90260300       PACKING D.13X23X5,8 L.P.      3
50       98196600       PLUG G1/8X8                   1
49       96751400       WASHER 21,5X27X1,5            1
48       96738000       WASHER 17,5X23X1,5            1
47       98217600       PLUG G1/2X10                  1
46       98210000       PLUG G3/8X13                  1
45       44100251       HEAD RING D. 13               3
44       90260200       PACKING D.13X21X4 H.P.        3
43       90507600       ANTI-EXTRUSION RING           3
                        D.13X17X2
42       44216270       INTERMEDIATE RING D. 13       3
41       44080370       PACKING RETAINER D. 13        3
40       90361200       O-RING 31,47X1,78 (2125)      3




WW966                                                             3/21/2026   Page 7 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Hollow shaft (key) Ø25,4 - vers. C

Pos.   Code             Description                 Qty Notes

39     99303700         SCREW M 8x16-5739           4
38     96701600         WASHER 8,4                  4
37     50200074         PUMP FOOT                   2
33     58040009         PISTON D.13X42              3
32     99169000         SCREW M05X55 SPEC. A2-70    3
31     96690500         WASHER D.5X11.5x0.4         3
                        INOX+FKM58/59/63HT
30     96699000         WASHER D.7.5X23X0.5         3
29     97734000         CONNECTING-ROD PIN          3
                        D.10X29,5
28     98204250         PLUG G1/4"x12               1
27     90358500         O-RING 10,82X1,78 (2043)    1
26     99183700         SCREW M 6x14 UNI 5931       5
25     44160022         REAR CRANKCASE COVER        1
24     90392000         O-RING 101,27X2,62 (3400)   1


23     44030022         CONNECTING ROD              3
22     44050266         PISTON GUIDE M5             3
19     98210300         OIL DIP-STICK G3/8X51       1
18     44010022         CRANKCASE                   1
17     90161400         OIL SEAL 20x30x5            3
16     91833100         BALL BEARING 6305 SKF       1
15     90389800         O-RING 56,82X2,62 (3225)    1
14     53210851         OIL LEVEL GAUGE             1
12     99180700         SCREW M 6x12 UNI 5739       4
11     36711501         INTAKE/DELIVERY VALVE       6
10     98222600         VALVE CAP M24X1,5X17        6
9      90384700         O-RING 20,29X2,62(3081)     6
8      36202551         VALVE CAGE                  6
7      94737600         SPRING D. 9,4X14,8          6
6      36200176         VALVE PLATE                 6
5      36200366         VALVE SEAT                  6
4      90384100         O-RING 17,12X2,62 (3068)    6
2      99317500         SCREW M 8x60 UNI 5931       8
1      44120641         BRASS HEAD (D. 13)          1




WW966                                                           3/21/2026   Page 8 - 8
Copyright INTERPUMP GROUP S.P.A

Technical Documents

(1)

Technical Data Sheet

PDF Document

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Interpump Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the Interpump WW966 R pump used for?

The Interpump WW966 R is an industrial pump designed for high-pressure applications requiring reliable flow control. It delivers 11 L/min at 250 bar and is rated at 5.51 kW, making it suitable for manufacturing and processing systems in industries such as water jetting, cleaning, and hydraulic power units.

What are the specifications of the Interpump WW966 R pump?

The Interpump WW966 R pump delivers 11 L/min at 250 bar (25 MPa, 3600 psi) and operates at 3400 rpm. It is rated at 5.51 kW (7.5 hp) and weighs 8.7 kg. Overall dimensions are 225 x 223 x 142.5 mm. The pump features a male shaft with key and a hollow shaft option (Ø25.4 mm).

Where to buy the Interpump WW966 R pump in Singapore?

3G Electric, established in 1990, sources and delivers the Interpump WW966 R pump to Singapore. We handle logistics, customs clearance, and local technical support for industrial buyers. Contact us for availability and lead time on this high-pressure pump for manufacturing and processing applications.

How to maintain the Interpump WW966 R pump?

Regular maintenance of the Interpump WW966 R pump includes inspecting and replacing seals, packings, and valves as per the manufacturer's kit list (e.g., KIT156 seal kit, KIT123 intake/delivery valve). Check oil level via the dip-stick and replace oil seals (D.20x30x5) periodically. Always follow Interpump's guidelines for piston and ring replacement.

Used in

Common applications for Interpump

Shipyard hull cleaning and surface prep — HT100 and W951 paired with dual-lance guns for dockyard service

Petrochemical heat-exchanger descaling — WS-series stainless pumps for neutral-pH cleaning chemistry

Outdoor HVAC condenser mist cooling — ZP180 pumps on rooftop chiller decks

Textile fibre-finishing — W170 and W270 for mist-jet application across drying lines

Municipal water treatment — W951 motor pumps for high-pressure disinfection chemical injection

Spare Parts & Repair Kits

Official WW966 parts list — 126 parts, 59 available in catalog

Official Parts List

WW966 — Male shaft (key) exploded diagram

Repair Kits — Order These for Routine Maintenance

KIT23

KIT 23 OIL SEAL D.20X30X5

34002301×1Available

Interpump PUMP WW966 R

Local availability & support — Singapore

Technical Specifications

Datasheet Content

Technical Documents

Need installation or engineering help?

Ask a question

Product Description

Frequently Asked Questions

Used in

Spare Parts & Repair Kits

Recommended Spare Parts

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