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HONDA GX630RH-QZB3 Engine, 20.8 hp, Electric Start, 1 in Keyed Shaft - Honda Engines
HONDAHonda Engines

HONDA GX630RH-QZB3 Engine, 20.8 hp, Electric Start, 1 in Keyed Shaft

The HONDA GX630 Series engine (MPN GX630RH-QZB3) is a 20.8 hp gasoline engine with 35.6 lb-ft gross torque, featuring an electric start and a 1-inch keyed shaft. This engine is supplied without a muffler.

SKU 3G-OTH-381183

Also listed as: GX630RHQZB3 · GX630RH QZB3

Brand
HONDA
Item
GX630RH-QZB3 Engine, 20.8 hp, Electric Start, 1 in Keyed Shaft
Part Number
GX630RH-QZB3
Category
Honda Engines
Available to Order
Also known as:GX630RH-QZB3HONDA
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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

HONDA
Manufacturer Part Number
GX630RH-QZB3
Type
35.6 lb-ft Gross Torque, Key
Muffler
No
Horsepower
20.8 hp
Start Type
Electric
Shaft Diameter
1 in
Shaft Configuration
Key

Technical Documents

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

Product Description

The HONDA GX630 Series engine (MPN GX630RH-QZB3) is a 20.8 hp gasoline engine with 35.6 lb-ft gross torque, featuring an electric start and a 1-inch keyed shaft. This engine is supplied without a muffler.

Frequently Asked Questions

What is the HONDA GX630RH-QZB3 engine used for?

The HONDA GX630RH-QZB3 is a 20.8 hp gasoline engine with 35.6 lb-ft gross torque, designed for industrial equipment such as generators, pumps, and construction machinery. Its electric start and 1-inch keyed shaft enable reliable power in demanding applications.

What are the specifications of the HONDA GX630RH-QZB3 engine?

The HONDA GX630RH-QZB3 delivers 20.8 hp and 35.6 lb-ft gross torque. It features an electric start, a 1-inch keyed shaft, and is supplied without a muffler. The manufacturer part number is GX630RH-QZB3, part of the GX630 Series.

Where to buy the HONDA GX630RH-QZB3 engine worldwide?

3G Electric supplies the HONDA GX630RH-QZB3 engine to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct 20.8 hp engine with electric start and 1-inch keyed shaft for your industrial application.

How to install the HONDA GX630RH-QZB3 engine?

Install the HONDA GX630RH-QZB3 by mounting it securely on a flat surface, aligning the 1-inch keyed shaft with your equipment's coupling. Connect the electric start system to a 12 V battery per Honda's manual. Ensure proper ventilation as this engine is supplied without a muffler.

Used in

Common applications for HONDA
Construction site power — Honda EM5000XAN2 conventional generator for 120/240V AC tools and lighting
Industrial pump dewatering — Honda WT30XK4A trash pump for removing debris-laden water from excavation sites
Equipment power source — Honda GX340 engine for powering compressors, welders, or hydraulic units
Backup power for facilities — Honda EG4000LAN2 generator for emergency lighting and critical loads
Remote job site power — Honda EU2200TAN4 inverter generator for sensitive electronics and small tools
Engine replacement — Honda GX270 engine for repowering industrial machinery with 8.4 hp output
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HONDA Products

3G Electric supplies HONDA honda engines. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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