Datasheet Content
WS1040
TECHNICAL INFORMATION
Flow (L/min) 40
Flow (US Gpm) 10,56
Rotation regime (rpm) 1450
Pressure (MPa) 10
Pressure (bar) 100
Pressure (psi) 1450
Power (hp) 10.4
Power (kW) 7,65
Overall dimensions L x l x h (mm) 327x236x180
Weight (kg) 15
WS1040 3/21/2026 Page 1 - 8
Copyright INTERPUMP GROUP S.P.A
WS1040
Documents
Male shaft (key)
Male shaft (key) - vers. ATEX
WS1040 3/21/2026 Page 2 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)
WS1040 3/21/2026 Page 3 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)
Pos. Code Description Qty Notes
KIT6 34000601 KIT 6 PISTON BOLT 1
KIT3 34000301 KIT 3 OIL SEAL D.30X55X7 1
KIT248 34024801 KIT 248 PACKING D.28 1
KIT247 34024701 KIT 247 CPL. SEAL D.28 1
KIT2 34000201 KIT 2 OIL SEAL D. 22X32X5,5 1
KIT169 34016901 KIT 169 INTAKE/DEL.VALVE (66) 1
54 96738000 WASHER 17,5X23X1,5 1
53 98210000 PLUG G3/8X13 1
52 96770000 WASHER 26,5X32X1,5 1
51 98226800 PLUG G3/4X16 1
50 66101651 HEAD RING D.28 H.P. 3
49 90275380 PACKING D.28X36X6/3.7 H.P. 3
48 90517200 ANTI-EXTRUSION RING 3
D.28X38X2
47 66220070 INTERMEDIATE RING D.28 3
46 90275300 PACKING D.28X36X6.5 L.P. 3
45 66082570 PACKING RETAINER D.28 3
44 90362000 O-RING D.37.82X1.78 (2150) 3
43 99364400 SCREW M 10x18-5931 4
42 96710600 WASHER 10,2 4
41 47200074 PUMP FOOT 2
40 90164800 OIL SEAL 30x55x7 1
40 97567800 SHIM D.74,5X104X0,1 1
39 97568000 SHIM D.74.5X104X0.3 1
38 47151022 OPEN SIDE COVER (47-66) 1
37 47219566 PISTON SCREW 3
36 96728000 WASHER 14X18,5X0,5 3
35 90506700 ANTI-EXTRUSION RING 3
34 47040909 PISTONE D.28x50 3
33 96728600 WASHER 14X28X0,5 3
32 47225570 SPACER D.14X20.5X2.5 3
31 90055700 CIRCLIP D.12 UNI 7435 6
30 97738000 CONNECTING-ROD PIN 3
D.13X35,5
29 47221301 OIL SIGHT GLASS ASSY G3/4 1
28 98204250 PLUG G1/4"x12 1
27 90358500 O-RING 10,82X1,78 (2043) 4
26 99188400 SCREW M 6x20 UNI 5931 5
25 47160622 CRANKCASE COVER 1
WS1040 3/21/2026 Page 4 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)
Pos. Code Description Qty Notes
24 99309900 SCREW M 8x35 UNI 5931 6
23 47030001 CONNECTING ROD 3
22 47050466 PISTON GUIDE - S.S. 3
21 91489200 KEY 8(h9)X7X35 UNI 6604/A 1
20 47021735 CRANKSHAFT C.16 S.p.f. U.S. 1
19 90392200 O-RING D.133.02X 2,62(3525) 1
18 47010822 CRANKCASE 1
17 98210600 OIL DIP-STICK G3/8X80 1
16 90912600 BUSHING 22X25X30 3
15 90162500 OIL SEAL 22x32x5 3
14 91837500 TAPER BEARING 2
13 90391300 O-RING 67,95X2,62 (3268) 2
12 47151122 CLOSED SIDE COVER (47-66) 1
11 99303900 SCREW M 8x16 UNI 5931 8
10 36712701 INTAKE/DEL.VALVE ASSY(66) 6
9 98230000 PLUG M32X1,5X17,5 6
8 90386400 O-RING D.28.25x2.62 90sh(3112) 6
7 36203551 VALVE CAGE 6
6 94738800 SPRING Dm. 10x18.5 6
5 36203476 SPHERICAL VALVE 6
4 36203366 VALVE SEAT 6
3 90385700 O-RING 23,81X2,62 (132) 6
2 99322000 SCREW M8X75 UNI5931 12.9 8
1 47123341 TESTATA POMPA D.28 1
WS1040 3/21/2026 Page 5 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX
WS1040 3/21/2026 Page 6 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX
Pos. Code Description Qty Notes
KIT6 34000601 KIT 6 PISTON BOLT 1
KIT3 34000301 KIT 3 OIL SEAL D.30X55X7 1
KIT248 34024801 KIT 248 PACKING D.28 1
KIT247 34024701 KIT 247 CPL. SEAL D.28 1
KIT2 34000201 KIT 2 OIL SEAL D. 22X32X5,5 1
KIT169 34016901 KIT 169 INTAKE/DEL.VALVE (66) 1
60 99180900 SCREW M06X10 5931 A2-70 1
59 96693950 WASHER 6.4x11.0x0.7 D6798A 1
INOX
57 90387700 O-RING 39,34X2,62 (3156) 1
56 70211751 1
55 90075500 STOP RING J45 UNI7437 1
54 96738000 WASHER 17,5X23X1,5 1
53 98210000 PLUG G3/8X13 1
52 96770000 WASHER 26,5X32X1,5 1
51 98226800 PLUG G3/4X16 1
50 66101651 HEAD RING D.28 H.P. 3
49 90275380 PACKING D.28X36X6/3.7 H.P. 3
48 90517200 ANTI-EXTRUSION RING 3
D.28X38X2
47 66220070 INTERMEDIATE RING D.28 3
46 90275300 PACKING D.28X36X6.5 L.P. 3
45 66082570 PACKING RETAINER D.28 3
44 90362000 O-RING D.37.82X1.78 (2150) 3
43 99364400 SCREW M 10x18-5931 4
42 96710600 WASHER 10,2 4
41 47200074 PUMP FOOT 2
40 90164800 OIL SEAL 30x55x7 1
40 97567800 SHIM D.74,5X104X0,1 1
39 97568000 SHIM D.74.5X104X0.3 1
38 47151022 OPEN SIDE COVER (47-66) 1
37 47219566 PISTON SCREW 3
36 96728000 WASHER 14X18,5X0,5 3
35 90506700 ANTI-EXTRUSION RING 3
34 47040909 PISTONE D.28x50 3
33 96728600 WASHER 14X28X0,5 3
32 47225570 SPACER D.14X20.5X2.5 3
31 90055700 CIRCLIP D.12 UNI 7435 6
30 97738000 CONNECTING-ROD PIN 3
D.13X35,5
WS1040 3/21/2026 Page 7 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX
Pos. Code Description Qty Notes
29 98226600 PLUG G3/4X16 S.S. 1
28 98203600 PLUG G1/4x8 FOR PROBE D.6 1
S.S.
27 90358500 O-RING 10,82X1,78 (2043) 4
26 99188400 SCREW M 6x20 UNI 5931 5
25 47160622 CRANKCASE COVER 1
24 99309900 SCREW M 8x35 UNI 5931 6
23 47030001 CONNECTING ROD 3
22 47050466 PISTON GUIDE - S.S. 3
21 91489200 KEY 8(h9)X7X35 UNI 6604/A 1
20 47021735 CRANKSHAFT C.16 S.p.f. U.S. 1
19 90392200 O-RING D.133.02X 2,62(3525) 1
18 47010822 CRANKCASE 1
17 98210700 OIL DIPSTICK G3/8X64 1
D4+FILTER ATEX
16 90912600 BUSHING 22X25X30 3
15 90162500 OIL SEAL 22x32x5 3
14 91837500 TAPER BEARING 2
13 90391300 O-RING 67,95X2,62 (3268) 2
12 47151322 SIDE CRANKCASE COVER (ATEX) 1
11 99303900 SCREW M 8x16 UNI 5931 8
10 36712701 INTAKE/DEL.VALVE ASSY(66) 6
9 98230000 PLUG M32X1,5X17,5 6
8 90386400 O-RING D.28.25x2.62 90sh(3112) 6
7 36203551 VALVE CAGE 6
6 94738800 SPRING Dm. 10x18.5 6
5 36203476 SPHERICAL VALVE 6
4 36203366 VALVE SEAT 6
3 90385700 O-RING 23,81X2,62 (132) 6
2 99322000 SCREW M8X75 UNI5931 12.9 8
1 47123341 TESTATA POMPA D.28 1
WS1040 3/21/2026 Page 8 - 8
Copyright INTERPUMP GROUP S.P.A
