Honda 20HP V-Twin Engine (GX630-RHQZB3)

Step up to serious power and unmatched reliability with the Honda GX630-RHQZB3 20HP V-Twin Engine. This 688cc 4-stroke OHV V-Twin delivers 20 horsepower of smooth, dependable performance—perfect for commercial equipment and custom builds that demand more muscle. Designed with electric start, full-pressure lubrication, and advanced cooling, the GX630 runs strong, starts easy, and lasts for years.

At Arns Equipment, we proudly ship Honda GX V-Twin engines across Canada, giving you professional power—delivered anywhere you need it.

Key Features & Specifications

• Engine Type: Air-cooled 4-stroke OHV V-Twin

• Displacement: 688cc

• Power Output: 20 HP @ 3,600 RPM

• Torque: 35.6 lb-ft @ 2,500 RPM

• Starting System: Electric start with recoil backup

• Fuel System: Carbureted

• Lubrication: Full-pressure with automotive-style oil filter

• Cooling System: Heavy-duty air cooling

• Crankshaft Orientation: Horizontal

• Dry Weight: Approx. 44 kg (97 lbs)

Common Applications

The Honda GX630-RHQZB3 is one of Canada’s most versatile and durable mid-range V-Twin engines, perfect for:

1. Commercial zero-turn mowers and turf equipment – Reliable, smooth power for professional landscapers.

2. Generators and pressure washers – Steady output for high-demand applications.

3. Go-karts, UTVs, and performance builds – Popular among hobbyists for its torque and dependability.

4. Snow machines and industrial sweepers – Dependable cold-weather performance.

5. Pumps, compressors, and construction equipment – Built to handle long hours and heavy use.

Ships Across Canada from Arns Equipment

Whether you’re in Calgary, Saskatoon, Montreal, or Halifax, Arns Equipment offers Canada-wide shipping on all Honda GX V-Twin engines. As Western Canada’s most trusted OPE dealer, we’re here to get you the right engine—fast, safely, and backed by friendly, reliable service from coast to coast.