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Interpump GEARBOX RS500 - D. 1" FOR PUMP WS201 R US - Accessories & Installation
InterpumpAccessories & Installation

Interpump GEARBOX RS500 - D. 1" FOR PUMP WS201 R US

The Interpump GEARBOX RS500 is a 1-inch accessory gearbox designed for the WS201 R US pump. It features an SAE J609-A-B engine flange, accepts a 1-inch (25.4 mm) engine shaft, and has a transmission ratio of 2.2…

SKU 3G-ITP-00024

Also listed as: ZONDA5061 · ZONDA5 061

Brand
Interpump
Item
GEARBOX RS500 - D. 1" FOR PUMP WS201 R US
Part Number
ZONDA5-061
Category
Accessories & Installation
UNSPSC
40151728 — Pump repair kits
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Interpump
Manufacturer Part Number
RS500
for pumps
47
engine flange
SAE J609-A-B
engine shaft in
1
engine shaft mm
25.4
transmission ratio i
2.2
weight without oil kg
4.2
max power transmission hp
25
max power transmission kw
18.5

Technical Documents

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

Product Description

The Interpump GEARBOX RS500 is a 1-inch accessory gearbox designed for the WS201 R US pump. It features an SAE J609-A-B engine flange, accepts a 1-inch (25.4 mm) engine shaft, and has a transmission ratio of 2.2. With a maximum power transmission of 25 hp (18.5 kW) and a weight of 4.2 kg without oil, it supports pumps up to 47 units.

Frequently Asked Questions

What is the Interpump GEARBOX RS500 used for?

The Interpump GEARBOX RS500 is a reduction gearbox designed to couple a pump, such as the WS201 R US, to an engine with an SAE J609-A-B flange. It transmits up to 25 hp (18.5 kW) at a 2.2:1 ratio, making it suitable for industrial pressure-washing and fluid-handling systems in Singapore.

What are the specifications of the Interpump GEARBOX RS500?

The GEARBOX RS500 has a 1-inch (25.4 mm) engine shaft, SAE J609-A-B engine flange, and a transmission ratio of 2.2:1. It weighs 4.2 kg without oil and supports a maximum power transmission of 25 hp (18.5 kW). It is designed for Interpump pumps like the WS201 R US.

Where to buy the Interpump GEARBOX RS500 in Singapore?

You can source the Interpump GEARBOX RS500 through 3G Electric, an established industrial equipment distributor. We handle logistics, customs clearance, and delivery to your facility in Singapore, ensuring you receive genuine Interpump accessories with local technical support.

How to install the Interpump GEARBOX RS500?

Installation requires aligning the gearbox's SAE J609-A-B flange to the engine and securing the 1-inch shaft. Fill with the recommended oil to the dip-stick level, and torque all fasteners per Interpump's manual. For Singapore applications, 3G Electric can provide installation guidance.

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
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Interpump Products

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

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