Datasheet Content
VHT6646
TECHNICAL INFORMATION
Flow (L/min) 46 / 38
Flow (US Gpm) 12,15 / 10,04
Rotation regime (rpm) 1750 / 1450
Pressure (MPa) 17 / 20
Pressure (bar) 170 / 200
Pressure (psi) 2465 / 2900
Power (hp) 20 / 19,74
Power (kW) 14,70 / 14,51
Overall dimensions L x l x h (mm) 340,5x242,5x177,5
Weight (kg) 18,5
VHT6646 3/21/2026 Page 1 - 8
Copyright INTERPUMP GROUP S.P.A
VHT6646
Documents
Male shaft (key)
Male shaft (key) - vers. ATEX
VHT6646 3/21/2026 Page 2 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)
VHT6646 3/21/2026 Page 3 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)
Pos. Code Description Qty Notes
KIT3 34000301 KIT 3 OIL SEAL D.30X55X7 1
KIT2 34000201 KIT 2 OIL SEAL D. 22X32X5,5 1
KIT378 34037801 1
KIT375 34037501 1
KIT210 34021001 1
52 98209900 PLUG G. 3/8X13 NICKEL 1
51 96738000 WASHER 17,5X23X1,5 1
50 90162500 OIL SEAL 22x32x5 3
49 90912600 BUSHING 22X25X30 3
48 99364400 SCREW M 10x18-5931 4
47 96710600 WASHER 10,2 4
46 47200074 PUMP FOOT 2
45 90236000 3
44 66216470 INTERMEDIATE RING D. 24 3
43 90235000 3
42 90361650 O-RING D. 34.65x1.78 HNBR 3
70SH 2137
41 66081470 3
40 90358500 O-RING 10,82X1,78 (2043) 1
39 98204700 3
38 90164800 OIL SEAL 30x55x7 1
37 47151022 OPEN SIDE COVER (47-66) 1
36 66219566 PISTON BOLT 3
35 90358450 3
34 66040409 PISTON D. 24X54 3
33 96710100 WASHER D. 10X28X0.5 3
32 66050066 PISTON GUIDE - S.S. 3
31 97740500 CONNECTING ROD-PIN D.14X39 3
30 99309900 SCREW M 8x35 UNI 5931 6
29 90358550 O-RING D.10.82x1.78 HNBR 3
70SH 2043
28 98204250 PLUG G1/4"x12 1
27 96770000 WASHER 26,5X32X1,5 1
26 98226900 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
21 91489200 KEY 8(h9)X7X35 UNI 6604/A 1
VHT6646 3/21/2026 Page 4 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)
Pos. Code Description Qty Notes
20 66020435 CRANKSHAFT C.21 - D. 24 1
19 98210600 OIL DIP-STICK G3/8X80 1
18 66010022 CRANKCASE 1
17 91838000 ROLLER BEARING NJ2206EC 2
16 90075600 CIRCLIP D.45 (ZJ45) 1
15 70211801 OIL SIGHT GLASS 1
14 90387700 O-RING 39,34X2,62 (3156) 1
13 90391300 O-RING 67,95X2,62 (3268) 2
12 47151222 SIDE CRANKCASE COVER FOR 1
OIL GAUGE
11 99303900 SCREW M 8x16 UNI 5931 8
10 36726301 6
9 66130341 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 90385750 12
2 99380100 SCREW M10X90 UNI 5931 8.8 8
1 66120841 1
VHT6646 3/21/2026 Page 5 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX
VHT6646 3/21/2026 Page 6 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX
Pos. Code Description Qty Notes
KIT3 34000301 KIT 3 OIL SEAL D.30X55X7 1
KIT2 34000201 KIT 2 OIL SEAL D. 22X32X5,5 1
KIT378 34037801 1
KIT375 34037501 1
KIT210 34021001 1
54 96693950 WASHER 6.4x11.0x0.7 D6798A 1
INOX
53 99180900 SCREW M06X10 5931 A2-70 1
52 98209900 PLUG G. 3/8X13 NICKEL 1
51 96738000 WASHER 17,5X23X1,5 1
50 90162500 OIL SEAL 22x32x5 3
49 90912600 BUSHING 22X25X30 3
48 99364400 SCREW M 10x18-5931 4
47 96710600 WASHER 10,2 4
46 47200074 PUMP FOOT 2
45 90236000 3
44 66216470 INTERMEDIATE RING D. 24 3
43 90235000 3
42 90361650 O-RING D. 34.65x1.78 HNBR 3
70SH 2137
41 66081470 3
40 90358500 O-RING 10,82X1,78 (2043) 1
39 98204700 3
38 90164800 OIL SEAL 30x55x7 1
37 47151022 OPEN SIDE COVER (47-66) 1
36 66219566 PISTON BOLT 3
35 90358450 3
34 66040409 PISTON D. 24X54 3
33 96710100 WASHER D. 10X28X0.5 3
32 66050066 PISTON GUIDE - S.S. 3
31 97740500 CONNECTING ROD-PIN D.14X39 3
30 99309900 SCREW M 8x35 UNI 5931 6
29 90358550 O-RING D.10.82x1.78 HNBR 3
70SH 2043
28 98203600 PLUG G1/4x8 FOR PROBE D.6 1
S.S.
27 96770000 WASHER 26,5X32X1,5 1
26 98226900 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
VHT6646 3/21/2026 Page 7 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX
Pos. Code Description Qty Notes
22 66030001 CONNECTING ROD 3
21 91489200 KEY 8(h9)X7X35 UNI 6604/A 1
20 66020435 CRANKSHAFT C.21 - D. 24 1
19 98210700 OIL DIPSTICK G3/8X64 1
D4+FILTER ATEX
18 66010022 CRANKCASE 1
17 91838000 ROLLER BEARING NJ2206EC 2
16 90075500 STOP RING J45 UNI7437 1
15 70211751 1
14 90387700 O-RING 39,34X2,62 (3156) 1
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 36726301 6
9 66130341 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 90385750 12
2 99380100 SCREW M10X90 UNI 5931 8.8 8
1 66120841 1
VHT6646 3/21/2026 Page 8 - 8
Copyright INTERPUMP GROUP S.P.A
