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Honda Horizontal Engine — 160cc, 3/4in. x 2 7/16in. Shaft, Model# GC160AQHAF
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Honda Horizontal Engine — 160cc, 3/4in. x 2 7/16in. Shaft, Model# GC160AQHAF

Item# 605999

Was $239.99
Sale $199.99

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Manufacturer's Warranty: 24 months parts / 24 months labor

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Product Summary

Honda 160cc premium residential, horizontal shaft engine features overhead cam technology. The GC series are incredibly quiet and utilize the world's first internal timing belt. Honda has taken their technology one step further with the development of the GC Series, a line of rugged powerful and economical overhead cam engines designed specifically for home-use and recreational applications. Fixed throttle. U.S.A. Not for sale in California.

What's Included

    (1) Engine, Model# GC160AQHAF

Key Specs

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Item#605999
Ship Weight30.0 lbs
Engine Displacement (cc)160
Start TypeRecoil
ApplicationPressure washer, log splitter
Engine TypeGC series OHC premium residential-duty
Rated Power (HP)4.6
Torque (ft./lbs.)6.9 @ 2,500 RPM
Shaft OutputHorizontal
CrankshaftQ-type
Shaft Diameter (in.)3/4
Shaft Length (in.)2 7/16
Shaft Keyway (in.)3/16
Shaft Rotation (From PTO Shaft Side)Counterclockwise
PTO Height (in.)4 11/64
Bearing TypeStandard
Cylinders (qty.)1
Cylinder BoreAluminum alloy
Bore x Stroke (in.)2.5 x 2.0
Compression Ratio8.5:1
Cooling SystemAir cooled
Air Cleaner TypeDry (paper) type
Fuel TankStandard
Fuel TypeGasoline
Fuel Tank Capacity (qt.)1.9
Fuel PumpYes
Oil Capacity (qt.)0.61
Lubrication SystemForced splash
Ignition SystemElectronic
Governor SystemCentrifugal mechanical
CarburetorFloat
Throttle ControlFixed
Max. RPM3,600
Muffler IncludedYes
Bolt Circle (in.)3 5/8
Mounting Base L x W (in.)6 3/8 x 2 15/16–3 5/32
Dimensions L x W x H (in.)13 5/16 x 14 1/2 x 13
EPA/CARB Approval (California Air Resource Board)Yes

Additional Information

Dimensions and Performance Curve

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Extended Warranty

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Service Protection Plus

Manufacturer Warranty:
24 months parts / 24 months labor

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Honda Horizontal Engine — 160cc, 3/4in. x 2 7/16in. Shaft, Model# GC160AQHAF The price is $199.99.
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Hide Similarities
Engine Displacement (cc)
160 163 200 163 270
Start Type
Recoil Recoil Recoil Recoil Recoil
Application Pressure washer, log splitter Pressure washer, compressor, log splitter, chipper/shredder Pressure washer, compressor, log splitter Cement mixer Chipper, shredder, pressure washer, compressor
Engine Type GC series OHC premium residential-duty GX series OHV–commercial duty GX series OHV–commercial duty GX series OHV–commercial duty GX series OHV–commercial duty
Rated Power (HP)
4.6 4.8 - 4.8 7.1
Torque (ft./lbs.)
6.9 @ 2,500 RPM 7.60 at 2,500 RPM 9.10 at 2,500 RPM 7.60 at 2,500 RPM 11.30 @ 2,500 RPM
Shaft Output
Horizontal Horizontal Horizontal Horizontal Horizontal
Crankshaft Q-type Q-type Q-type H type Q-type
Shaft Diameter (in.) 3/4 3/4 3/4 3/4 1
Shaft Length (in.) 2 7/16 2 7/16 2 7/16 2 3/32 3 31/64
Shaft Keyway (in.)
3/16 3/16 4.78mm x 4.78mm x 38mm 1/4 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch) - 5/16–24 - - 7/16–20
Shaft Rotation (From PTO Shaft Side) Counterclockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Gear Reduction - - - H type 6:1 -
PTO Height (in.)
4 11/64 4 11/64 4 11/64 4 11/64 5 1/4
Bearing Type Standard Ball - - -
Cylinders (qty.)
1 1 1 1 1
Cylinder Bore
Aluminum alloy Cast iron Cast iron Cast iron Cast iron
Bore x Stroke (in.)
2.5 x 2.0 2.7 x 1.8 2.7 x 2.1 2.7 x 1.8 2.9 x 2.3
Compression Ratio
8.5:1 8.5:1 8.5:1 8.5:1 8.2:1
Cooling System
Air cooled Air cooled Air cooled Air cooled Air cooled
Air Cleaner Type
Dry (paper) type Dual element Dual element Dual element Dual element
Fuel Tank Standard Standard (White) Standard Standard (White) Standard (White)
Fuel Type Gasoline Gasoline Gasoline Gasoline Gasoline
Fuel Tank Capacity (qt.)
1.9 3.3 3.3 3.3 5.6
Fuel Pump Yes - - - -
Fuel Filter
- - - - Fuel tank filler neck strainer
Oil Capacity (qt.)
0.61 0.63 0.63 0.63 1.16
Lubrication System
Forced splash Forced splash Forced splash Forced splash Forced splash
Low Oil Alert
- - 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 Float, external vent Float Float, external vent Float, external vent
Throttle Control
Fixed Remote (wire) Remote (cable) Remote (wire) Remote (wire)
Choke Control
- Manual Manual Manual Manual
Max. RPM
3,600 3,600 3,600 3,600 3,600
Muffler Included
Yes Yes, (standard) Standard, spark arrester Yes, (standard) Standard, exhaust pipe protector, spark arrestor, deflector
Auto Compression Release
- Yes Yes Yes Yes
Bolt Circle (in.)
3 5/8 3 5/8 3 5/8 3 5/8 5, 6 1/2
Mounting Base L x W (in.)
6 3/8 x 2 15/16–3 5/32 6 3/8 x 3 5/32 to 3 11/32 6 3/8 x 3 5/32 to 3 11/32 6 3/8 x 3 5/32 to 3 11/32 7 11/16 x 3 3/16 to 3 11/16
Dimensions L x W x H (in.)
13 5/16 x 14 1/2 x 13 12 x 13 3/8 x 12 1/2 12 5/8 x 14 13/16 x 13 3/16 12 x 13 3/8 x 12 1/2 15 x 16 7/8 x 16 1/8
EPA/CARB Approval (California Air Resource Board)
Yes Yes Yes Yes Yes