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Article

General Purpose Engine

Engine - GX120T2 QD

Honda’s GX series engines are legendary for superior reliability and performance. And there’s no doubt about it: the GX120 lives up to the legend. Lower noise levels, lower vibration, and lower emissions – without sacrificing power output or performance.

- Honda OHV commercial grade engine
- 2.9kW (4HP)/3600 rpm and 118 cm³ Displacement
- Fuel efficiency
- 1 year warranty

Common Applications

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

Specifications

Engine type 4-stroke, overhead valve, single cylinder, inclined by 25°
Displacement (cm3) 118 cm³
Bore and stroke 62.0 x 42.0 mm
Compression ratio 8.5 :1
Gross power (SAE J1995) 2.9kW (4HP)/3600 rpm
Net Power (SAE J1349)* 2.6kW (3.5 HP)/3600 rpm
Max. Net Torque (SAE J1349)* 7.3 N.m (0.74 kgf.m, 5.4 lbf.ft)/2500 min-1 rpm
Fuel tank capacity 2.0 Liters Gasoline Oktan 86 or higher
Ignition system Transistorized Magneto ignition
Spark plug BPR6ES, (NGK) W20EPR-U (DENSO)
Starting system Recoil starter
Air cleaner Semi dry type
Oil Capacity 0.56 Liters SAE 10W-30 (API SE or Later)
Recommended oil SAE 10W-30 (API Service Class SE or later)
Dimensions 305 x 346 x 329 mm
Dry Weight 13 kg

* The power rating of the engine indicated in this document is the net power output tested on a production engine for the engine model and measured in accordance with SAE J1349 at 4,500, 4,000 or 3,600 rpm (Engine Net Power) and at 3,000 or 2,500 rpm (Engine Max. Net Torque).
Mass production engines may vary from this value . Actual power output for the engine to be mounted on the manufacture of the final machine will vary depending on many factors , including the operating speed of the engine in application , environmental conditions , maintenance and other variables .