Your Cart

Honda GX630RH-QZB3 General Purpose Engine

Honda GX630RH-QZB3 General Purpose Engine
Honda GX630RH-QZB3 General Purpose Engine
  • Availability: In Stock
  • Model: GX630RH-QZB3 General Purpose Engine
  • MPN: GX630RH-QZB3
Product Views: 3312
California Proposition 65 Warning
WARNING: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to

Honda V-twin engines offer higher horsepower, improved adaptability, quiet operation, and greater fuel efficency. Not to mention a 3 year warranty.


  • Pressure washers
  • Commercial lawn and garden equipment
  • Tillers / cultivators
  • Generators
  • Forestry equipment
  • Construction / industrial equipment
  • Agricultural equipment
  • Small vehicles
  • Water pumps



Engine TypeAir-cooled 4-stroke OHV
Bore x Stroke78 X 72 mm
Displacement688 cm3
Net Power Output*20.8 hp (15.5 kW) @ 3,600 rpm
Net Torque35.6 lbs ft (48.3 Nm) @ 2,500 rpm
PTO Shaft RotationCounterclockwise (from PTO shaft side)
Compression Ratio9.3:1
Lamp/Charge coil options2.7A, 17A, 26A
CarburetorHorizontal type, two barrel butterfly valve, internal vent
Ignition SystemDigital CDI with variable ignition timing
Starting SystemElectric
Lubrication SystemForced lubrication
Governor SystemMechanical
Air cleanerDual element
Oil Capacity2.1 US qt (2.0l)
FuelUnleaded 86 octane or higher
Dry Weight96.8 lb (44 kg)
Length (min)15.9" (405 mm)
Width (min)16.1" (410 mm)
Height (min)17.2" ( 438 mm)
PTO Shaft Options
V typeTapered shaft
T typeStraight shaft
B typeStraight shaft
S typeStraight shaft (metric)
D typeStraight shaft
Power sourceGas

Write a review

Please login or register to review