Datasheet Content
W1555
TECHNICAL INFORMATION
Flow (L/min) 55
Flow (US Gpm) 14,50
Rotation regime (rpm) 1450
Pressure (MPa) 15
Pressure (bar) 150
Pressure (psi) 2175
Power (hp) 22
Power (kW) 16,17
Overall dimensions L x l x h (mm) 340,5x242,5x189,5
Weight (kg) 18,5
W1555 3/21/2026 Page 1 - 11
Copyright INTERPUMP GROUP S.P.A
W1555
Documents
Male shaft (spline) - vers. J
Hollow shaft (key - 7/8") - predisposition for Hy-Pack
Hy-Pack version - GAS + gear motor 37cc
W1555 3/21/2026 Page 2 - 11
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (spline) - vers. J
W1555 3/21/2026 Page 3 - 11
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (spline) - vers. J
Pos. Code Description Qty Notes
KIT248 34024801 KIT 248 PACKING D.28 1
KIT247 34024701 KIT 247 CPL. SEAL D.28 1
KIT169 34016901 KIT 169 INTAKE/DEL.VALVE (66) 1
KIT2 34000201 KIT 2 OIL SEAL D. 22X32X5,5 1
66 90085000 CIRCLIP D. 62 UNI 7437 1
65 90206500 PLUG FOR BORE D.17 - TTN19 1
64 96728200 WASHER 15.0x24.0x2.5 U1749 2
63 99484800 SCREW M14x40 5739 8.8 ZINC 2
871034154
62 10097301 1
61 99306900 SCREW M 8x25 UNI 5931 8
60 70227034 VITE M6X12 CON INCAVO 1
COMPLETA
59 92202500 NUT M6 UNI 5588 6S 1
58 71228971 ANELLO PER ALBERO D.40 1
H.PACK
54 90169000 OIL SEAL D. 45X62X8 1
53 66150274 SIDE COVER 1
52 44211801 SPACER+OIL LEVEL GAUGE 1
51 98204300 PLUG G1/4X10 3
50 98226800 PLUG G3/4X16 1
49 96770000 WASHER 26,5X32X1,5 1
48 96738000 WASHER 17,5X23X1,5 1
47 90162500 OIL SEAL 22x32x5 3
46 90912600 BUSHING 22X25X30 3
45 99364400 SCREW M 10x18-5931 4
44 96710600 WASHER 10,2 4
43 47200074 PUMP FOOT 2
42 90275400 PACKING D.28X38X10 H.P. 3
41 66220070 INTERMEDIATE RING D.28 3
40 90275300 PACKING D.28X36X6.5 L.P. 3
39 90362000 O-RING D.37.82X1.78 (2150) 3
38 66082570 PACKING RETAINER D.28 3
37 98210000 PLUG G3/8X13 1
36 90409700 O-RING 55,56X3,53 (159) 1
35 59150022 SIDE CRANKCASE COVER 1
34 66219566 PISTON BOLT 3
33 90358400 O-RING D.10,82X1,78(2043)90SH 3
W1555 3/21/2026 Page 4 - 11
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (spline) - vers. J
Pos. Code Description Qty Notes
32 66041009 PISTON D.28X54 3
31 96710100 WASHER D. 10X28X0.5 3
30 66050066 PISTON GUIDE - S.S. 3
29 97740500 CONNECTING ROD-PIN D.14X39 3
28 99309900 SCREW M 8x35 UNI 5931 6
27 90358500 O-RING 10,82X1,78 (2043) 4
26 98204250 PLUG G1/4"x12 1
25 99188400 SCREW M 6x20 UNI 5931 4
24 66160022 REAR COVER 1
23 90392200 O-RING D.133.02X 2,62(3525) 1
22 66030001 CONNECTING ROD 3
20 66021665 1
19 98210600 OIL DIP-STICK G3/8X80 1
18 66010022 CRANKCASE 1
17 91858700 1
16 91837600 ROLLER BEARING NUP206ECP 1
15 90066700 CIRCLIP D. 30 UNI 7435 1
13 90391300 O-RING 67,95X2,62 (3268) 2
10 36712701 INTAKE/DEL.VALVE ASSY(66) 6
9 66130041 VALVE CAP M32x1.5x29.5 6
8 90516500 ANTI-EXTR.RING D.24.7x29x1.5 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) 12
2 99380100 SCREW M10X90 UNI 5931 8.8 8
1 66124641 MANIFOLD FOR PISTON D.28 1
W1555 3/21/2026 Page 5 - 11
Copyright INTERPUMP GROUP S.P.A
Illustration Hollow shaft (key - 7/8") - predisposition for Hy-Pack
W1555 3/21/2026 Page 6 - 11
Copyright INTERPUMP GROUP S.P.A
Illustration Hollow shaft (key - 7/8") - predisposition for Hy-Pack
Pos. Code Description Qty Notes
KIT2 34000201 KIT 2 OIL SEAL D. 22X32X5,5 1
KIT248 34024801 KIT 248 PACKING D.28 1
KIT247 34024701 KIT 247 CPL. SEAL D.28 1
KIT169 34016901 KIT 169 INTAKE/DEL.VALVE (66) 1
71 70227034 VITE M6X12 CON INCAVO 1
COMPLETA
70 92202500 NUT M6 UNI 5588 6S 1
69 99306900 SCREW M 8x25 UNI 5931 8
68 90169000 OIL SEAL D. 45X62X8 1
67 66150274 SIDE COVER 1
66 44211801 SPACER+OIL LEVEL GAUGE 1
65 90085000 CIRCLIP D. 62 UNI 7437 1
64 90409700 O-RING 55,56X3,53 (159) 1
63 59150022 SIDE CRANKCASE COVER 1
62 90066700 CIRCLIP D. 30 UNI 7435 1
61 91837600 ROLLER BEARING NUP206ECP 1
60 71228971 ANELLO PER ALBERO D.40 1
H.PACK
59 90206500 PLUG FOR BORE D.17 - TTN19 1
58 96728200 WASHER 15.0x24.0x2.5 U1749 2
57 99484800 SCREW M14x40 5739 8.8 ZINC 2
871034154
56 91858700 1
55 10087222 1
51 98204300 PLUG G1/4X10 3
50 98226800 PLUG G3/4X16 1
49 96770000 WASHER 26,5X32X1,5 1
48 96738000 WASHER 17,5X23X1,5 1
47 90162500 OIL SEAL 22x32x5 3
46 90912600 BUSHING 22X25X30 3
45 99364400 SCREW M 10x18-5931 4
44 96710600 WASHER 10,2 4
43 47200074 PUMP FOOT 2
42 90275400 PACKING D.28X38X10 H.P. 3
41 66220070 INTERMEDIATE RING D.28 3
40 90275300 PACKING D.28X36X6.5 L.P. 3
39 90362000 O-RING D.37.82X1.78 (2150) 3
38 66082570 PACKING RETAINER D.28 3
37 98210000 PLUG G3/8X13 1
W1555 3/21/2026 Page 7 - 11
Copyright INTERPUMP GROUP S.P.A
Illustration Hollow shaft (key - 7/8") - predisposition for Hy-Pack
Pos. Code Description Qty Notes
34 66219566 PISTON BOLT 3
33 90358400 O-RING D.10,82X1,78(2043)90SH 3
32 66041009 PISTON D.28X54 3
31 96710100 WASHER D. 10X28X0.5 3
30 66050066 PISTON GUIDE - S.S. 3
29 97740500 CONNECTING ROD-PIN D.14X39 3
28 99309900 SCREW M 8x35 UNI 5931 6
27 90358500 O-RING 10,82X1,78 (2043) 4
26 98204250 PLUG G1/4"x12 1
25 99188400 SCREW M 6x20 UNI 5931 4
24 66160022 REAR COVER 1
23 90392200 O-RING D.133.02X 2,62(3525) 1
22 66030001 CONNECTING ROD 3
19 98210600 OIL DIP-STICK G3/8X80 1
18 66010022 CRANKCASE 1
17 66021365 1
13 90391300 O-RING 67,95X2,62 (3268) 2
10 36712701 INTAKE/DEL.VALVE ASSY(66) 6
9 66130041 VALVE CAP M32x1.5x29.5 6
8 90516500 ANTI-EXTR.RING D.24.7x29x1.5 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) 12
2 99380100 SCREW M10X90 UNI 5931 8.8 8
1 66124641 MANIFOLD FOR PISTON D.28 1
W1555 3/21/2026 Page 8 - 11
Copyright INTERPUMP GROUP S.P.A
Illustration Hy-Pack version - GAS + gear motor 37cc
W1555 3/21/2026 Page 9 - 11
Copyright INTERPUMP GROUP S.P.A
Illustration Hy-Pack version - GAS + gear motor 37cc
Pos. Code Description Qty Notes
KIT2 34000201 KIT 2 OIL SEAL D. 22X32X5,5 1
KIT248 34024801 KIT 248 PACKING D.28 1
KIT247 34024701 KIT 247 CPL. SEAL D.28 1
KIT169 34016901 KIT 169 INTAKE/DEL.VALVE (66) 1
73 95108000 1
71 70227034 VITE M6X12 CON INCAVO 1
COMPLETA
70 92202500 NUT M6 UNI 5588 6S 1
69 99306900 SCREW M 8x25 UNI 5931 8
68 90169000 OIL SEAL D. 45X62X8 1
67 66150274 SIDE COVER 1
66 44211801 SPACER+OIL LEVEL GAUGE 1
65 90085000 CIRCLIP D. 62 UNI 7437 1
64 90409700 O-RING 55,56X3,53 (159) 1
63 59150022 SIDE CRANKCASE COVER 1
62 90066700 CIRCLIP D. 30 UNI 7435 1
61 91837600 ROLLER BEARING NUP206ECP 1
60 71228971 ANELLO PER ALBERO D.40 1
H.PACK
59 90206500 PLUG FOR BORE D.17 - TTN19 1
58 96728200 WASHER 15.0x24.0x2.5 U1749 2
57 99484800 SCREW M14x40 5739 8.8 ZINC 2
871034154
56 91858700 1
55 10087222 1
51 98204300 PLUG G1/4X10 3
50 98226800 PLUG G3/4X16 1
49 96770000 WASHER 26,5X32X1,5 1
48 96738000 WASHER 17,5X23X1,5 1
47 90162500 OIL SEAL 22x32x5 3
46 90912600 BUSHING 22X25X30 3
45 99364400 SCREW M 10x18-5931 4
44 96710600 WASHER 10,2 4
43 47200074 PUMP FOOT 2
42 90275400 PACKING D.28X38X10 H.P. 3
41 66220070 INTERMEDIATE RING D.28 3
40 90275300 PACKING D.28X36X6.5 L.P. 3
39 90362000 O-RING D.37.82X1.78 (2150) 3
38 66082570 PACKING RETAINER D.28 3
W1555 3/21/2026 Page 10 - 11
Copyright INTERPUMP GROUP S.P.A
Illustration…
