173 cc 6 HP OHV Vertical Shaft Gas Engine - Certified for California
The WEN 173cc Vertical Shaft Gas Engine is a tough and reliable replacement engine designed for use in walk behind mowers. The powerful 173cc displacement delivers enough power and torque for heavy duty applications. This engine is EPA and CARB certified and can be used in all the states. This engine is backed by a 2 year warranty. For lawn mower use only.
Replacement for 6 HP vertical shaft engine.
56173 specifications
| Displacement | 173cc |
| Max. Output | 3.2 KW/3600RPM |
| Max. Torque | 9 N·m/2500RPM |
| Engine Type | Vertical Single Cylinder 4 stroke OHV |
| Meets EPA phase III and CARB compliant |
| Cooling System | Forced air cooled |
| Fuel | Type | 87+ octane unleaded gasoline |
| Capacity | 0.3 Gallon |
| Engine Oil | Type SAE | 10W-30 above 32° F |
| 5W-30 at 32° F or below |
| Capacity | 0.6 Quart |
| Lubrication System | Forced Splash |
| Run Time @ 50% Load with full tank | 40 minutes |
| Sound Level at 22 feet | 104 dB |
| Bore x Stroke | 70 mm x 45 mm |
| Compression Ratio | 8.5:1 |
| Rotation viewed from PTO (power takeoff - the output shaft) | Counterclockwise |
| Shaft | Shaft | 7/8″ x 3.16″ |
| Keyway | 3/16″ (4.76 mm) |
| End Tapped | 3/8″ - 24 UNF |
| Spark Plug | Type | NGK: BP-6ES, Torch: F6TC/F7RTC |
| Gap | 0.7-0.8 mm |
| Valve Clearance | Intake | 0.10-0.15 mm |
| Exhaust | 0.15-0.20 mm |
| Idle Speed | 1,800 ± 50 RPM |
| Dimensions | 17.9x15x16.5 inches |
| Weight | 33 lbs |
