Honda Horizontal Engine 21.5 Net HP 688cc 12V ES 20 Amp 1-1/8" x 3-1/2" #GX660-TDW

12 volt electric start, 20 amp alternator.

No Keyswitch, remote throttle/choke controls.
1-1/8" x 3-1/2" keyed shaft, tapped 7/16".

OHV, full pressure lube w/ oil filter,

low oil level device, heavy duty industrial engine

3 year warranty.

Universal bolt pattern for easy repowering.

Model GX660-TDW. 

98 lbs dry weight

Requires the following muffler choices (not included with engine):

VHRM6, VHLM6, or VHSM6.

Specifications
Engine Type	Air-cooled, 4-Stroke, OHV
Bore x Stroke	3.1" x 2.8" (78 x 72 mm)
Displacement	42 cu in (688 cm3)
Compression Ratio	9.3 : 1
Net Horsepower*	21.5 hp (16.0 kW)
Net Torque*	35.6 lbs ft (48.3 Nm)
PTO Shaft Rotation	Counterclockwise (from PTO shaft side)
Ignition System	Digital CDI with variable ignition timing
Starting System	Shift Type
Carburetor	2-barrel, fuel cut solenoid, inner vent
Lubrication System	Full Pressure
Connecting Rod	Forged Steel
Governor System	Mechanical
Air Cleaner	Dual Element Type/Cylindrical
Exhaust Emissions	Certified for use in all 50 states
Evaporative Emissions	Low permeation hose and purge joint provided
Oil Capacity	2.0 US qt (1.9 L)
Oil Filter	Automotive Spin-On Style
Dimensions (L x W x H)	15.9" (405 mm) x 16.1" (410 mm) x 17.2" ( 438 mm)
Dry Weight	98 lbs (44.4 kg)
* The power rating of the engine indicated in this document is the net power output tested on a production engine for the engine model and measured in accordance with SAE J1349 at 3600 rpm . Mass production engines may vary from this value. Actual power output for the engine installed in the final machine will vary depending on numerous factors, including the operating speed of the engine in application, environmental conditions, maintenance and other variables.