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Interpump PUMP W4018 R - Pumps & Compressors
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InterpumpPumps & Compressors

Interpump PUMP W4018 R

The Interpump W4018 R is a 20 hp industrial pump delivering 18 L/min at 400 bar, designed for high-pressure hydraulic applications. Operating at 1450 rpm with a compact footprint of 351.5 mm length, it serves…

SKU 3G-ITP-01743

Also listed as: W04018000 · W04018 000

Brand
Interpump
Item
PUMP W4018 R
Category
Pumps & Compressors
UNSPSC
40151527 — Plunger pumps
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Technical Specifications

Interpump
Flow Rate
18 L/min
Pressure
400 bar
Power
14.7 kW
Speed
1450 RPM
Weight
19.5 kg
Dimensions
351.5 mm
Power
20 HP
Flow (US)
4.75 GPM
Pressure
40 MPa
Pressure
5800 PSI
View Full Spec Sheet

Technical Documents

(1)
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Interpump Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Interpump W4018 R is a 20 hp industrial pump delivering 18 L/min at 400 bar, designed for high-pressure hydraulic applications. Operating at 1450 rpm with a compact footprint of 351.5 mm length, it serves heavy-duty industrial systems requiring sustained pressure and reliable flow control.

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 W4018 parts list — 137 parts, 47 available in catalog

Official Parts List
Exploded Diagram — Male shaft (key)View full size
W4018 — Male shaft (key)

Repair Kits — Order These for Routine Maintenance

KIT2
KIT 2 OIL SEAL D. 22X32X5,5
34000201×1Available
View
KIT3
KIT 3 OIL SEAL D.30X55X7
34000301×1Available
View
KIT150
KIT 150 INTAKE/DEL.VALVE
34015001×1Available
View

Individual Components

PosCodeDescriptionQty
6
INTAKE/DELIVERY VALVE
36712101×6Available
View
7
O-RING 17,12X2,62 (3068)
90384100×6Available
View
8
VALVE SEAT
36200366×6Available
View
9
SPHERICAL VALVE
36203266×6Available
View
10
SPRING D. 9,4X14,8
94737600×6Available
View
11
VALVE CAGE
36202551×6Available
View
12
ANTI-EXTRUSION RING
90511500×3Available
View
13
O-RING 17,86X2,62 (123)
90384300×3Available
View
15
O-RING 23,81X2,62 (132)
90385700×6Available
View
17
ANTI-EXTR.RING D.24.7x29x1.5
90516500×3Available
View
19
SCREW M 8x16 UNI 5931
99303900×8Available
View
20
View
21
O-RING 67,95X2,62 (3268)
90391300×2Available
View
22
O-RING 39,34X2,62 (3156)
90387700×1Available
View
23
OIL SIGHT GLASS
70211801×1Available
View
24
CIRCLIP D.45 (ZJ45)
90075600×1Available
View
25
ROLLER BEARING NJ2206EC
91838000×2Available
View
26
CRANKCASE
66010022×1Available
View
27
OIL DIP-STICK G3/8X80 W4018
98210600×1Available
View
28
CRANKSHAFT C.21 - D. 24
66020435×1Available
View

Need multiple parts? Request a bundled quote

47 parts available in our catalog — get a single quote with volume pricing

Request Bundle Quote
Genuine manufacturer parts Expert technical support Worldwide shipping

Official W4018 parts list — Industrial Pumps (66 Series)

Recommended Spare Parts

PLUG G3/8X13

Accessories

PLUG G3/8X13

98210000

WASHER 21,5X27X1,5

Accessories

WASHER 21,5X27X1,5

96751400

KEY 8(h9)X7X35 UNI 6604/A

Accessories

KEY 8(h9)X7X35 UNI 6604/A

91489200

Spare Parts

PISTON GUIDE - S.S.

66050066

O-RING 10,82X1,78 (2043)

Spare Parts

O-RING 10,82X1,78 (2043)

90358500

PLUG G1/2X10

Accessories

PLUG G1/2X10

98217600

Accessories

PLUG G1/4X10

98204300

CONNECTING ROD-PIN D.14X39

Spare Parts

CONNECTING ROD-PIN D.14X39

97740500

OIL DIP-STICK G3/8X80

Spare Parts

OIL DIP-STICK G3/8X80

98210600

KIT 3 OIL SEAL D.30X55X7

Spare Parts

KIT 3 OIL SEAL D.30X55X7

34000301

CRANKSHAFT C.19 - DUAL PTO

Spare Parts

CRANKSHAFT C.19 - DUAL PTO

66021035

Valves

INTAKE/DELIVERY VALVE

36712101

View full cross-reference for Interpump 3G-ITP-01743

Interpump Products

3G Electric supplies Interpump pumps & compressors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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