Honda GX120 4 hp Horizontal Commercial Engine

Completely redesigned for 2011, the new GX120 offers lower noise levels, lower vibration, and lower emissions – without sacrificing power output or performance.

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  • And the new GX120 essentially matches the dimensions of the previous model, so no modifications to existing equipment designs are necessary.
  • Fuel Efficient, High Output Operation
  • Smooth Performance
  • Exceptionally Quiet
  • Proven Reliability
  • Easy to Use and Maintain
  • Easy Starting

Common Applications

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

Financing available for major purchases! (Items with serial numbers)

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Contact your Sales Rep for Fleet Pricing
GX120HX 6:1 Reduction, Straight shaft 3/4” x 1-7/8”, 3/16” keyway, Oil Alert 0224 $1,025.00
GX120QX Straight shaft 3/4” x 2-1/2”, 3/16” keyway, Oil Alert 0224 $686.00
GX120SHQ Straight shaft 18mm x 50mm, 5mm keyway 0224 $773.00
GX120TX Threaded shaft 5/8”-18UNF x 2-19/64”, Oil Alert 0224 $811.00

All prices, descriptions, and specifications subject to change without notice. Items may not be exactly as illustrated.

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Specifications

Engine TypeAir-cooled 4-stroke OHV
Bore x Stroke60 X 42 mm
Displacement118 cm3
Net Power Output*3.5 HP (2.6 kW) @ 3,600 rpm
Net Torque5.4 lb-ft (7.3 Nm) @ 2,500 rpm
PTO Shaft RotationCounterclockwise (from PTO shaft side)
Compression Ratio8.5:1
Lamp/Charge coil options25W, 50W
CarburetorButterfly
Ignition SystemTransistorized magneto
Starting SystemRecoil
Lubrication SystemSplash
Governor SystemMechanical
Air cleanerDual Element
Oil Capacity0.59 US qt. (0.56 L)
Fuel Tank Capacity2.1 U.S. qts (2.0 liters)
FuelUnleaded 86 octane or higher
Dry Weight29 lbs. (13.0 kg)
Length (min)11.7” (297 mm)
Width (min)13.6” (346 mm)
Height (min)13.0” (329 mm)

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