Datasheet Content
WK6
TECHNICAL INFORMATION
Flow (L/min) 62
Flow (US Gpm) 16,4
Rotation regime (rpm) 1000
Pressure (MPa) 10
Pressure (bar) 100
Pressure (psi) 1450
Power (hp) 16,1
Power (kW) 11,84
Overall dimensions L x l x h (mm) 405x340,5x253,5
Weight (kg) 35
WK6 3/21/2026 Page 1 - 46
Copyright INTERPUMP GROUP S.P.A
WK6
Documents
Male shaft (key) - GAS
Male shaft (key) - NPT
Male shaft (key) - GAS + flange A - GAS
Hollow shaft (spline) + SAE B flange - GAS
Hollow shaft (spline) + SAE B flange - NPT
Hy-Pack version - GAS + gear motor 70cc
Hy-Pack version - GAS + piston motor 47cc
Hy-Pack version - GAS + gear motor 62cc
Hy-Pack version - GAS + piston motor 64cc
Hy-Pack versione - GAS + gear motor 48cc
Male shaft (key) - GAS - ATEX
WK6 3/21/2026 Page 2 - 46
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS
WK6 3/21/2026 Page 3 - 46
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS
Pos. Code Description Qty Notes
KIT2253 34225301 KIT 2253 CPL.SEAL D.32 1
KIT2248 34224801 KIT 2248 PACKING D. 32 1
KIT2246 34224601 KIT 2246 INTAKE/DELIVERY 1
VALVE
KIT2158 34215801 KIT 2158*CONROD BUSHINGS 1
+0,50
KIT2157 34215701 KIT 2157*CONROD BUSHINGS 1
+0,25
KIT2156 34215601 KIT 2156*CONROD BUSHING 1
75 99426600 VITE TE M12X25-UNI5739 ZINC. 1
74 71223074 STAFFA DI SOLLEVAMENTO 1
61 90352800 O-RING D. 29.00x1.50 NBR 70SH 3
60 99192500 SCREW M06X35 5931 A2-70 6
59 70050266 PISTON GUIDE ROD 3
58 99485000 SCREW M14X40 UNI5931 12.9 8
DACR.
57 70225015 INLET VALVE COVER KT 1
56 70126615 MANIFOL FOR PISTON D.32 KT 1
S
55 99381600 SCREW M10X110 UNI5931 8.8 4
54 36720801 INTAKE/DELIVERY VALVE KT 6
SER.
53 90517850 ANELLO ANTIEST. 31.0x40.0x1.7 6
(S.66)
52 36204866 VALVE SEAT (70HT) 6
51 36211766 SPHERICAL VALVE 6
50 94745000 SPRING D. 16X27,5 6
49 36204751 VALVE CAGE (70HT) 6
48 90518000 ANTI-EXTR.RING 6
D.32.4X36.5X1.5
47 90386500 O-RING 29,82X2,62 (3118) 12
46 70225370 VALVE PLUG 6
45 99429500 SCREW M12X35 UNI5931 12.31 8
DACR.
44 70225115 OUTLET VALVE COVER KT 1
43 72100051 HEAD RING D.32 3
42 90278800 PACKING D.32X44 3
41 90278400 RESTOP RING D. 32x44x5,5/3 3
40 70225270 INTERMEDIATE RING D.32 3
39 90278000 PACKING D.32x40x5,5 L.P 3
38 70082270 PACKING RETAINER D.32 3
WK6 3/21/2026 Page 4 - 46
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS
Pos. Code Description Qty Notes
37 90362600 O-RING D. 50,52X1,78 (2200) 3
36 70222551 CRANKCASE PLUG 6
35 71225951 PLUG CAP 3
34 70030501 CONNECTING ROD COMPLETE 3
33 70606801 PISTON GUIDE ASSY 3
32 90922500 LOWER HALF CONROD BUSHING 3
+0.50 (BIG END) S.70
32 90922400 LOWER HALF CONROD BUSHING 3
+0.25 (BIG END) S.70
32 90922300 LOWER HALF CONROD BUSHING 3
(BIG END) S.70
31 90922200 UPPER HALF CONROD BUSHING 3
+0.5 (BIG END) S.70
31 90922100 UPPER HALF CONROD BUSHING 3
+0.25 (BIG END) S.70
31 90922000 UPPER HALF CONROD BUSHING 3
(BIG END) S.70
30 90910000 CONROD BUSHING (SMALL END) 3
S.70
29 97742000 GUDGEON PIN D.18X36 3
28 70050115 PISTON GUIDE T.N. 3
27 70224136 PISTON BOLT 3
26 90358400 O-RING D.10,82X1,78(2043)90SH 3
25 70041309 PISTON D. 32X63 3
24 96709900 WASHER D.10X45 3
23 90167700 OIL SEAL D.36X47X7 3
22 90166800 OIL SEAL D.35X52X7 1
21 70150022 BEARING COVER (PTO SIDE) 1
20 91490000 KEY 8h9X7X70 UNI 6604/A 1
19 70020635 CRANKSHAFT C.26 1
18 99312300 CONN.ROD BOLT M8X1X42 6
17 98200500 PLUG D. 15 5
16 90394200 OR D.190.17X2.62 NBR 70SH 1
15 70160622 CRANKCASE COVER KT 1
14 90360400 O-RING 25,12X1,78 (2100) 1
13 72210695 DIP STICK TUBE 1
12 98211500 OIL DIPSTICK D.21,5X70 1
11 98210050 PLUG G3/8x13 TE22 1
10 90383300 O-RING 13,95X2,62 (3056) 1
WK6 3/21/2026 Page 5 - 46
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - GAS
Pos. Code Description Qty Notes
9 99185400 SCREW M6X16 UNI 5931 8.8 Z. 20
8 70150122 BEARING COVER (OIL GLASS 1
SIDE)
7 90387700 O-RING 39,34X2,62 (3156) 1
6 70211801 OIL SIGHT GLASS 1
5 90075600 CIRCLIP D.45 (ZJ45) 1
4 70220381 SHIM 0.25 MM. 1
4 70220081 SHIM 0.1 MM. 1
3 90391500 O-RING D. 80.6X2.62 (3318) 2
2 91847700 TAPER ROLLER BEARING 2
33207/Q
1 70010022 CRANKCASE 1
WK6 3/21/2026 Page 6 - 46
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - NPT
WK6 3/21/2026 Page 7 - 46
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - NPT
Pos. Code Description Qty Notes
KIT2253 34225301 KIT 2253 CPL.SEAL D.32 1
KIT2248 34224801 KIT 2248 PACKING D. 32 1
KIT2246 34224601 KIT 2246 INTAKE/DELIVERY 1
VALVE
KIT2158 34215801 KIT 2158*CONROD BUSHINGS 1
+0,50
KIT2157 34215701 KIT 2157*CONROD BUSHINGS 1
+0,25
KIT2156 34215601 KIT 2156*CONROD BUSHING 1
75 99426600 VITE TE M12X25-UNI5739 ZINC. 1
74 71223074 STAFFA DI SOLLEVAMENTO 1
61 90352800 O-RING D. 29.00x1.50 NBR 70SH 3
60 99192500 SCREW M06X35 5931 A2-70 6
59 70050266 PISTON GUIDE ROD 3
58 99485000 SCREW M14X40 UNI5931 12.9 8
DACR.
57 70225015 INLET VALVE COVER KT 1
56 70126915 MANIFOLD FOR PIST.D.32 NPT 1
55 99381600 SCREW M10X110 UNI5931 8.8 4
54 36720801 INTAKE/DELIVERY VALVE KT 6
SER.
53 90517850 ANELLO ANTIEST. 31.0x40.0x1.7 6
(S.66)
52 36204866 VALVE SEAT (70HT) 6
51 36211766 SPHERICAL VALVE 6
50 94745000 SPRING D. 16X27,5 6
49 36204751 VALVE CAGE (70HT) 6
48 90518000 ANTI-EXTR.RING 6
D.32.4X36.5X1.5
47 90386500 O-RING 29,82X2,62 (3118) 12
46 70225370 VALVE PLUG 6
45 99429500 SCREW M12X35 UNI5931 12.31 8
DACR.
44 70225115 OUTLET VALVE COVER KT 1
43 72100051 HEAD RING D.32 3
42 90278800 PACKING D.32X44 3
41 90278400 RESTOP RING D. 32x44x5,5/3 3
40 70225270 INTERMEDIATE RING D.32 3
39 90278000 PACKING D.32x40x5,5 L.P 3
38 70082270 PACKING RETAINER D.32 3
WK6 3/21/2026 Page 8 - 46
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - NPT
Pos. Code Description Qty Notes
37 90362600 O-RING D. 50,52X1,78 (2200) 3
36 70222551 CRANKCASE PLUG 6
35 71225951 PLUG CAP 3
34 70030501 CONNECTING ROD COMPLETE 3
33 70606801 PISTON GUIDE ASSY 3
32 90922500 LOWER HALF CONROD BUSHING 3
+0.50 (BIG END) S.70
32 90922400 LOWER HALF CONROD BUSHING 3
+0.25 (BIG END) S.70
32 90922300 LOWER HALF CONROD BUSHING 3
(BIG END) S.70
31 90922200 UPPER HALF CONROD BUSHING 3
+0.5 (BIG END) S.70
31 90922100 UPPER HALF CONROD BUSHING 3
+0.25 (BIG END) S.70
31 90922000 UPPER HALF CONROD BUSHING 3
(BIG END) S.70
30 90910000 CONROD BUSHING (SMALL END) 3
S.70
29 97742000 GUDGEON PIN D.18X36 3
28 70050115 PISTON GUIDE T.N. 3
27 70224136 PISTON BOLT 3
26 90358400 O-RING D.10,82X1,78(2043)90SH 3
25 70041309 PISTON D. 32X63 3
24 96709900 WASHER D.10X45 3
23 90167700 OIL SEAL D.36X47X7 3
22 90166800 OIL SEAL D.35X52X7 1
21 70150022 BEARING COVER (PTO SIDE) 1
20 91490000 KEY 8h9X7X70 UNI 6604/A 1
19 70020635 CRANKSHAFT C.26 1
18 99312300 CONN.ROD BOLT M8X1X42 6
17 98200500 PLUG D. 15 5
16 90394200 OR D.190.17X2.62 NBR 70SH 1
15 70160622 CRANKCASE COVER KT 1
14 90360400 O-RING 25,12X1,78 (2100) 1
13 72210695 DIP STICK TUBE 1
12 98211500 OIL DIPSTICK D.21,5X70 1
11 98210050 PLUG G3/8x13 TE22 1
10 90383300 O-RING 13,95X2,62 (3056) 1
WK6 3/21/2026 Page 9 - 46
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - NPT
Pos. Code Description Qty Notes
9 99185400 SCREW M6X16 UNI 5931 8.8 Z. 20
8 70150122 BEARING COVER (OIL GLASS 1
SIDE)
7 90387700 O-RING 39,34X2,62 (3156) 1
6 70211801 OIL SIGHT GLASS 1
5 90075600 CIRCLIP D.45 (ZJ45) 1
4 70220381 SHIM 0.25 MM. 1
4 70220081…