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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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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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

Where can I buy the Interpump RS500 gearbox worldwide?

3G Electric is an authorized distributor of Interpump gearboxes. We source the RS500 (1" SAE J609-A-B) and arrange worldwide delivery with full logistics support. Contact us for lead time and pricing on part ZONDA5-061.

What is the transmission ratio and power rating of the RS500 gearbox?

The Interpump RS500 delivers a 2.2:1 transmission ratio and handles up to 25 HP (18.5 kW) power transmission. Engine shaft diameter is 25.4 mm SAE J609-A-B flange. Weight is 4.2 kg without oil.

Is the RS500 gearbox compatible with the WS201 R pump?

Yes, the Interpump RS500 gearbox (1" bore) is designed for the WS201 R pump. Verify your pump's engine flange matches SAE J609-A-B and shaft diameter is 25.4 mm before ordering.

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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