Honda GX100 3 hp Horizontal Commercial Engine
Professionals rely on the GX100 to deliver reliable, easy starting, fuel efficent performance, day in and day out.
- 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
- 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
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GX100QA
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Straight shaft 5/8” x 2-19/64” , 3/16” keyway
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0224
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$916.00
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GX100RTKRG
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Tapered Shaft, Diaphragm Carb, Rammer Repl Engine
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1025
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$1,259.00
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GX100KRM
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Threaded Shaft M12x1.25, Diaphragm Carb, Rammer Repl Engine
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0224
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$960.00
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All prices, descriptions, and specifications subject to change
without notice. Items may not be exactly as illustrated.
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Specifications
| Engine Type | Air-cooled 4-stroke OHC
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| Bore x Stroke | 56 X 40 mm
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| Displacement | 98 cm3
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| Net Power Output* | 2.8 HP (2.1 kW) @ 3,600 rpm
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| Net Torque | 4.2 lb-ft (5.7 Nm) @ 3,600 rpm
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| PTO Shaft Rotation | Counterclockwise (from PTO shaft side)
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| Compression Ratio | 8.5:1
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| Carburetor | Float Type
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| Ignition System | Transistorized magneto
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| Starting System | Recoil
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| Lubrication System | Splash
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| Governor System | Centrifugal Mechanical
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| Air cleaner | Dual element
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| Oil Capacity | 0.42 US qt (0.40l)
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| Fuel Tank Capacity | 0.81 U.S. qt (0.77 liter)
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| Fuel | Unleaded 86 octane or higher
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| Dry Weight | 23.4 lb (10.6 kg)
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| Length (min) | 11.6" (295mm)
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| Width (min) | 12.0" (304mm)
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| Height (min) | 15.8" (402mm)
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