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Honda Horizontal OHV Engine — 270cc, GX Series, 1in. x 3 31/64in. Shaft, Model# GX270UT2QAG2

Item# 44373
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Honda Horizontal OHV Engine — 270cc, GX Series, 1in. x 3 31/64in. Shaft, Model# GX270UT2QAG2

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Only $549.99
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  • Precision camshaft design for precise valve timing, optimal valve overlap and better fuel economy
  • OHV design for increased efficiency and optimal power transfer
  • High compression ratio for better fuel efficiency
  • Low vibration from precision-engineered components
  • Ball bearing-supported crankshaft for greater stability
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Product Summary

The Honda 270cc GX Series OHV commercial-grade engine is designed for the most demanding commercial applications. It has is reliable and durable, with an overhead valve design for cooler, fuel-efficient operation, and a cast iron cylinder sleeve for longer service life. Great for construction equipment. Other common applications include pressure washers, air compressors, go-karts, log splitters and chipper/shredders.

What's Included
  •  (1) Engine

Features + Benefits

  • Precision camshaft design for precise valve timing, optimal valve overlap and better fuel economy
  • OHV design for increased efficiency and optimal power transfer
  • High compression ratio for better fuel efficiency
  • Low vibration from precision-engineered components
  • Ball bearing-supported crankshaft for greater stability
  • Large-capacity, multi-chamber exhaust system for a low noise level
  • Sophisticated air intake system
  • Oil Alert for extra engine protection
  • Carburetor filter and chamber coating help protect against fuel impurities
  • Cast iron cylinder sleeve
  • Dual element air filter
  • Simple throttle control
  • Double walled heavy-duty 5.6-qt. tank with in-tank fuel strainer
  • Large automotive-style fuel cap for easy filling
  • Dual oil fills and drains for quick oil changes
  • Easily accessible spark plug
  • Ergonomic recoil design for easy starts
  • Automatic decompression for easy starting
Key Specs
Item# 44373
Brand Honda Engines
Manufacturer's Warranty 3 year limited warranty
Ship Weight 65.0 lbs
Engine Displacement (cc) 270
Start Type Recoil
Application Chipper, shredder, log splitter, compressor
Engine Type GX series OHV commercial-duty
Net Power Output (HP) 8.5 (6.3 kW) at 3,600 RPM
Net Torque (lbs./ft.) 14.1 (19.1 Nm) at 2,500 RPM
Shaft Output Horizontal
Crankshaft Q-type
Shaft Diameter (in.) 1
Shaft Length (in.) 3 31/64
Shaft Keyway (in.) 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch) 7/16-20
Shaft Rotation (From PTO Shaft Side) Counterclockwise
PTO Height (in.) 5 1/4
Bearing Type Ball bearing
Cylinders (qty.) 1
Cylinder Bore Cast iron
Bore x Stroke (in.) 3 x 2.3
Compression Ratio 8.5:1
Cooling System Air cooled
Air Cleaner Type Dual element
Fuel Tank Yes
Fuel Type Gasoline
Fuel Tank Capacity (qt.) 5.6
Fuel Filter Yes
Oil Capacity (qt.) 1.16
Lubrication System Forced splash
Low Oil Alert Yes
Low Oil Shutdown Yes
Ignition System Electronic
Governor System Centrifugal mechanical
Carburetor Float, external vent
Throttle Control Manual
Choke Control Manual
Max. RPM 3,600
Muffler Included Yes
Auto Compression Release Yes
Bolt Circle (in.) 5, 6 1/2
Mounting Base L x W (in.) 7 11/16 x 3 3/16–3 11/16
Dimensions L x W x H (in.) 15 x 16 7/8 x 16 1/8
EPA/CARB Approval (California Air Resource Board) Yes

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Replacement Parts
Call To Order: 1-800-657-0516

Mon - Fri 7:00 AM - 6:00 PM (Central)
Sat 7:00 AM - 3:00 PM (Central)

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Hide Similarities
Engine Displacement (cc)
270 270 389 389 389
Start Type
Recoil Recoil Recoil Electric w/recoil backup Recoil
Application Chipper, shredder, log splitter, compressor Chipper, shredder, log splitter, compressor Pressure washer, compressor Pressure washer, compressor Cement mixer
Engine Type GX series OHV commercial-duty GX series OHV commercial-duty GX series OHV commercial-duty GX series OHV commercial-duty GX series OHV commercial-duty
Net Power Output (HP) 8.5 (6.3 kW) at 3,600 RPM 8.5 (6.3 kW) at 3,600 RPM 11.7 (8.7 kW) at 3,600 RPM 11.7 (8.7 kW) at 3,600 RPM 11.7 (8.7 kW) at 3,600 RPM
Net Torque (lbs./ft.) 14.1 (19.1 Nm) at 2,500 RPM 14.1 (19.1 Nm) at 2,500 RPM 19.5 (26.4 Nm) at 2,500 RPM 19.5 (26.4 Nm) at 2,500 RPM 19.5 (26.4 Nm) at 2,500 RPM
Shaft Output
Horizontal Horizontal Horizontal Horizontal Horizontal
Crankshaft Q-type Q-type Q-type Q-type H type
Shaft Diameter (in.) 1 1 1 1 1
Shaft Length (in.) 3 31/64 3 31/64 3 31/64 3 31/64 3 15/64
Shaft Keyway (in.) - 1/4 1/4 1/4 -
Shaft End Tapped (Diameter (in.)/Threads per inch) 3/8–24 7/16-20 3/8–24 3/8–24 -
Shaft Rotation (From PTO Shaft Side) Counterclockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Gear Reduction
- - - - H type 6:1
PTO Height (in.)
5 1/4 5 1/4 5 1/4 5 1/4 5 1/4
Bearing Type - Ball bearing - - -
Cylinders (qty.)
1 1 1 1 1
Cylinder Bore
Cast iron Cast iron Cast iron Cast iron Cast iron
Bore x Stroke (in.)
3.0 x 2.3 3 x 2.3 3.5 x 2.5 3.5 x 2.5 3.5 x 2.5
Compression Ratio
8.5:1 8.5:1 8.2:1 8.2:1 8.2:1
Cooling System
Air cooled Air cooled Air cooled Air cooled Air cooled
Air Cleaner Type
Dual element Dual element Dual element Dual element Dual element
Fuel Tank - Yes Standard (White) Standard (White) Standard (White)
Fuel Type Gasoline Gasoline Gasoline Gasoline Gasoline
Fuel Tank Capacity (qt.)
5.6 5.6 6.4 6.4 6.4
Fuel Filter
Fuel tank filler neck strainer Yes Fuel tank filler neck strainer Fuel tank filler neck strainer Fuel tank filler neck strainer
Oil Capacity (qt.)
1.16 1.16 1.16 1.16 1.16
Lubrication System
Forced splash Forced splash Forced splash Forced splash Forced splash
Low Oil Alert
Yes Yes Yes Yes Yes
Low Oil Shutdown
- Yes Yes Yes Yes
Ignition System
Electronic Electronic Electronic Electronic Electronic
Governor System
Centrifugal mechanical Centrifugal mechanical Centrifugal mechanical Centrifugal mechanical Centrifugal mechanical
Carburetor
Float, external vent Float, external vent Float, external vent Float, external vent Float, external vent
Throttle Control
Remote (wire) Manual Remote (wire) Remote (wire) Manual
Choke Control
Manual Manual Manual Manual Manual
Max. RPM
3,600 3,600 3,600 3,600 3,600
Charging System Amps - - - 10 -
Muffler Included
- Yes Silent Silent, exhaust pipe protector, deflector Standard, exhaust pipe protector, spark arrestor, deflector
Auto Compression Release
- Yes Yes Yes Yes
Bolt Circle (in.)
5, 6 1/2 5, 6 1/2 5, 6 1/2 5, 6 1/2 5, 6 1/2
Mounting Base L x W (in.)
7 11/16 x 3 3/16–3 11/16 7 11/16 x 3 3/16–3 11/16 7 11/16 x 3 25/64–4 1/16 7 11/16 x 3 25/64–4 1/16 7 11/16 x 3 25/64–4 1/16
Dimensions L x W x H (in.)
15 x 16 7/8 x 16 1/8 15 x 16 7/8 x 16 1/8 15 7/8 x 17 11/16 x 17 3/8 15 7/8 x 17 11/16 x 17 3/8 15 7/8 x 17 11/16 x 17 3/8
EPA/CARB Approval (California Air Resource Board)
Yes Yes Yes Yes Yes