Honda Engine 4HP

Honda Engine 4HP


Product Description:

Honda GX Series engines are designed for the most demanding commercial applications. Originally developed in 1983, the legendary Honda GX engine has earned the reputation as the #1 most preferred engine for construction and rental equipment.


  • Honda OHV Commercial‐grade engine
  • Horizontal shaft
  • Automatic decompression/Oil Alert
  • EPA/CARB compliant
  • 2 Year Commercial Warranty


  • Edgers
  • Pumps
  • Reel‐type lawn mowers
  • Agricultural equipment
  • Greens mowers
  • Small construction equipment Rammers (compaction equipment)


  • GX120K1 QD (#5296051200)
  • GX120T1 LD (#5296051210)
  • GX120T1 QD (#5296051215)

Model GX120
Engine Type Air-cooled, 4-stroke, OHV, singlecylinder
Bore x Stroke 60 x 42 mm
Displacement 118 cc
Compression Ratio 8.5 : 1
Net Horse Power Output* 2.6kw (3.5hp) at 3,600 rpm
Net Torque 7.3 Nm (5.4 lbs ft) at 2,500 rpm
PTO Shaft Rotation Counterclockwise (from PTO shaft side)
Ignition System Transistorized magneto ignition
Starting System Recoil or Electric Starter
Carburetor Horizontal type butterfly valve
Lubrication System Forced Splash
Governor System Centrifugal Mechanical
Air Cleaner Dual Element Type (opt Cyclone type)
Oil Capacity 0.6 l (0.63 US qt, 0.53 Imp qt)
Fuel Tank Capacity (liter) 2.0l (2.1 US qt)
Dimensions (L x W x H) 305mm (12.0 in) x 341mm (13.4 in) x 318mm (12.5 in)
Dry Weight 13.0 kg (28.7 lbs)
Honda Generator