"With experience born on the raceways and roadways and a dedication to innovation, there's plenty of reasons to insist on the new Honda GX660 V-Twin engine. There's superior engine design, with a 90 configuration that reduces vibration and allows a compact footprint. There's superior construction, with a forged steel crankshaft and an integrated cylinder head. Fewer parts means better durability. There's a digital CDI ignition coil that ensures improved fuel economy and lowered emissions. There's even improved air cleaning, meaning that you can wait 5 times longer between filter changes. Honda even gives their engines a 3-year limited warranty. The image shown is not reflective of the actual item shipped. There is no control panel as shown in the image. Engine Displacement cc 688, Bore x Stroke in. 3.1 x 2.8, Shaft End Tapped Diameter in./Threads per inch 7/16-20, UNF2B, Flywheel Brake No, Shaft Rotation From PTO Shaft Side Counterclockwise, Shaft Keyway in. 1/4, Key size 6.3mm x 70mm, Cylinder Bore Integrated, PTO Height in. 5 1/4, Torque ft./lbs. 35.2, Lubrication System Full pressure, Governor System Mechanical, Engine Type GX series OHV V-Twin commercial-duty, Shaft Output Horizontal, Cylinders qty. 2, Charging System Amps 20, Carburetor 2-barrel, fuel cut solenoid, inner vent, Crankshaft T type, Fuel Pump Boost type, Ignition System Electonic, Digital CDI w/variable ignition timing, Bolt Circle in. 5, 6 1/2, 7 3/4, Rated Power HP 21, Cooling System Air cooled, Mounting Base L x W in. 7 11/16 x 3 25/64 to 4 21/32, Muffler Included Not included, Shaft Diameter in. 1 1/8, Shaft Length in. 3.55, Throttle Control Remote wire, Dimensions L x W x H in. 15 7/8 x 16 1/8 x 17 3/16, Max. RPM 3,600, Compression Ratio 9.31, Air Cleaner Type Dual element/Cylindrical, Start Type Electric, shift type, EPA/CARB Approval California Air Resource Board Yes, Oil Capacity qt. 2, Application Lawn tractor, mower, utility vehicle, concrete saw, pressure washer, chipper/shredder, trencher, vibratory roller, ride-on cement trowel, Fuel Tank Not included, Choke Control Remote wire, Fuel Type Gasoline. 688cc air-cooled, 4-stroke OHV engine 50-state compliant engine"
Average Customer Rating:
(1 Review) 1
Rating Summary(1 review)
1 of 1(100%)would recommend this product to a friend.
Customer Reviews for "Honda V-Twin Horizontal OHV Engine with Electric Start - 688cc, GX Series, 1 1/8in. x 3.55in. Shaft, Model# GX660RTDW"
Review 1 for "Honda V-Twin Horizontal OHV Engine with Electric Start - 688cc, GX Series, 1 1/8in. x 3.55in. Shaft, Model# GX660RTDW"
Very Strong Motor
September 17, 2013
from Windsor, NY
"Bought this motor over a year ago. Easy electric start. Used it to replace large utility tractor motor. I bought the JD muffler system to match. Very strong HP and power of a big V-Twin."
Describe Yourself: Home Handyman
1out of1found this review helpful.
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