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Honda Horizontal OHV Engine with 6:1 Gear Reduction for Cement Mixers — 389cc, GX Series, 1in. x 3 5/32in. Shaft, Model# GX340UT2HA2

Item# 60651
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Honda Horizontal OHV Engine with 6:1 Gear Reduction for Cement Mixers — 389cc, GX Series, 1in. x 3 5/32in. Shaft, Model# GX340UT2HA2

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Was $869.99
Sale $829.99

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  • Automatic decompression for easy starting
  • Heavy-duty ball bearing supported crankshaft
  • Double walled heavy-duty tank with in tank fuel strainer
  • 50-state compliant engine
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Product Summary

The Honda 389cc GX Series OHV commercial-grade engine is designed for the most demanding commercial applications. It has set an industry standard for reliability and durability. Overhead Valve design offers cooler, fuel-efficient operation and cast iron cylinder sleeve provides longer service life. The GX is reliable, easy starting and quiet running. Meets EPA and CARB emission levels standards. This legendary engine has earned the reputation as the preferred engine for construction equipment. Common application: cement mixers.

What's Included
  • (1) Engine, Model# GX340UT2HA2

Features + Benefits

  • Automatic decompression for easy starting
  • Heavy-duty ball bearing supported crankshaft
  • Double walled heavy-duty tank with in tank fuel strainer
  • 50-state compliant engine
Key Specs
Item# 60651
Brand Honda Engines
Manufacturer's Warranty 3 year limited warranty
Ship Weight 95.0 lbs
Engine Displacement (cc) 389
Start Type Recoil
Application Cement mixer
Engine Type GX series OHV commercial-duty
Net Power Output (HP) 10.7 (8.0 kW) at 3,600 RPM
Net Torque (lbs./ft.) 19.5 (26.4 Nm) at 2,500 RPM
Shaft Output Horizontal
Crankshaft H type
Shaft Diameter (in.) 1
Shaft Length (in.) 3 15/64
Shaft Keyway (in.) 1/4
Shaft Rotation (From PTO Shaft Side) Counterclockwise
Gear Reduction H type 6:1
PTO Height (in.) 5 1/4
Cylinders (qty.) 1
Cylinder Bore Cast iron
Bore x Stroke (in.) 3.2 x 2.5
Compression Ratio 8.2:1
Cooling System Air cooled
Air Cleaner Type Dual element
Fuel Tank Standard (White)
Fuel Type Gasoline
Fuel Tank Capacity (qt.) 6.4
Fuel Filter Fuel tank filler neck strainer
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
Choke Control Manual
Max. RPM 3,600
Muffler Included Standard, exhaust pipe protector, spark arrestor, deflector
Auto Compression Release Yes
Bolt Circle (in.) 5
Mounting Base L x W (in.) 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
EPA/CARB Approval (California Air Resource Board) Yes

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

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Sat 7:00 AM - 3:00 PM (Central)

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Honda Horizontal OHV Engine with 6:1 Gear Reduction for Cement Mixers — 389cc, GX Series, 1in. x 3 5/32in. Shaft, Model# GX340UT2HA2 The price is $829.99.
Honda Horizontal OHV Engine with 6:1 Gear Reduction for Cement Mixers — 389cc, GX Series, 1in. x 3 5/32in. Shaft, Model# GX340UT2HA2
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Hide Similarities
Engine Displacement (cc)
270 389 389 389 389
Start Type
Recoil Recoil Electric w/recoil backup Recoil Electric w/recoil backup
Application Chipper, shredder, log splitter, compressor Pressure washer, compressor Pressure washer, compressor Cement mixer Pressure washer, compressor, log splitter, chipper/shredder
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 11.7 (8.7 kW) at 3,600 RPM 11.7 (8.7 kW) at 3,600 RPM 10.7 (8.0 kW) at 3,600 RPM 10.7 (8.0 kW) at 3,600 RPM
Net Torque (lbs./ft.) 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 19.5 (26.4 Nm) at 2,500 RPM
Shaft Output
Horizontal Horizontal Horizontal Horizontal Horizontal
Crankshaft Q-type Q-type Q-type H type Q-type
Shaft Diameter (in.) 1 1 1 1 1
Shaft Length (in.) 3 31/64 3 31/64 3 31/64 3 15/64 3 31/64
Shaft Keyway (in.)
- 1/4 1/4 1/4 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch) 3/8–24 3/8–24 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
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 3.5 x 2.5 3.5 x 2.5 3.2 x 2.5 3.2 x 2.5
Compression Ratio
8.5:1 8.2:1 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 - Standard (White) Standard (White) Standard (White) Standard (White)
Fuel Type Gasoline Gasoline Gasoline Gasoline Gasoline
Fuel Tank Capacity (qt.)
5.6 6.4 6.4 6.4 6.4
Fuel Filter
Fuel tank filler neck strainer Fuel tank filler neck strainer 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) 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 - 10
Muffler Included
- Silent Silent, exhaust pipe protector, deflector Standard, exhaust pipe protector, spark arrestor, deflector Standard, exhaust pipe protector, 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
Mounting Base L x W (in.)
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 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 7/8 x 17 11/16 x 17 3/8 15 7/8 x 17 11/16 x 17 3/8 15 x 16 7/8 x 16 1/8 15 x 16 7/8 x 16 1/8
EPA/CARB Approval (California Air Resource Board)
Yes Yes Yes Yes Yes