Honda GX120 – 4HP 118cc Horizontal Engine

$203.00
In Stock

Optimize your small industrial equipment with the 4HP 118cc Honda GX120 Engine, featuring a commercial-grade horizontal shaft and OHV design for consistent high-torque performance.

  • Power: 4.0 Net HP 118cc
  • Design: Professional OHV Single Cylinder
  • Durability: Cast Iron Cylinder Sleeve
  • Shaft: Precision Ground Horizontal Shaft
  • Warranty: Three Year Commercial Warranty
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SKU: GX120
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Description

Honda GX120 QX2 Horizontal Engine

Honda GX120 QX2 (GX120UT2QX2) horizontal OHV engine is 120cc and puts out 3.5 net HP. This Honda GX has a 3/4″ x 2-7/16″ crankshaft. The engine has a recoil starter, a standard muffler with spark arrestor and oil alert system.

BRAND Honda
MODEL NUMBER GX120-QX2
REPLACES MODELS GX120UT1QX2, GX120UT2QX2, GX120QX2, GX120 QX2
WARRANTY 3 Year Consumer & Commercial
SHIPPING WEIGHT 35
DISPLACEMENT 118cc
STARTER TYPE Recoil
CRANKSHAFT ORIENTATION Horizontal
CRANKSHAFT TYPE Straight
FUEL SYSTEM Gasoline
GEAR REDUCTION No
CRANKSHAFT DIMENSIONS 3/4″ x 2-7/16″
CRANKSHAFT DIAMETER 3/4″
CRANKSHAFT LENGTH 2-7/16″
CRANKSHAFT END TAPPED SIZE 5/16 – 24
CRANKSHAFT KEYWAY WIDTH 3/16″
CRANKSHAFT ROTATION DIRECTION (FROM PTO SIDE) Counterclockwise
CYLINDERS 1
CYLINDER BORE TYPE Cast Iron
AIR CLEANER TYPE Dual Element
FUEL PUMP No
OIL COOLER No
OIL CAPACITY 19
LOW OIL ALERT No
LOW OIL SHUTDOWN Yes
IGNITION SYSTEM Transistorized Magneto
CARBURETOR TYPE Float
CHOKE CONTROL Manual
BOLT CIRCLE 3 – 5/8
PTO HEIGHT 4 – 11/64

Honda GX120 - 4HP 118cc Specs

BrandHonda
Full Model CodeGX120UT3
Country of OriginThailand
Engine Series/FamilyGX Series (Commercial Grade)
Engine TypeAir-cooled 4-stroke OHV cylinder, 25° inclined
Displacement118 cc
Net Power Output3.5 HP (2.6 kW) @ 3,600 rpm
Max. Net Torque7.3 Nm (5.4 lbs-ft) @ 2,500 rpm
Bore x Stroke60 x 42 mm
Compression Ratio8.5:1
Cooling SystemForced Air
Ignition SystemTransistorized Magneto
Starting SystemRecoil Starter (Electric Start Optional)
Fuel Tank Capacity2.0 Liters
Fuel Consumption1.0 L/h @ 3,600 rpm
Oil Capacity & Grade0.56 L (SAE 10W-30)
PTO Shaft RotationCounterclockwise (from PTO side)
Dry Weight13.0 kg (28.7 lbs)
Dimensions297 x 346 x 329 mm
ApplicationPressure washers, commercial lawn & garden equipment, tillers, generators, and construction/industrial equipment.

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