Briggs & Stratton 11.5HP Lawnmower Engine (Intek EX1150 Series) With Fuel Ta
Brand: Briggs & Stratton
SKU: 21R877-0056
Size: Vertical Shaft
$1,180.00
Availability: Available
| Electric Start | 12V key-start system with a backup recoil starter for dependable starting in all conditions. |
|---|---|
| Dura-Bore Cast Iron Sleeve | Cast iron cylinder liner reduces wear and extends engine life significantly over aluminium-bore alternatives. |
| Overhead Valve (OHV) | OHV design runs cooler and more efficiently than side-valve engines, improving fuel economy and performance. |
| Dual Clean Air Filter | High-capacity dual-element premium air filtration keeps contaminants out for longer service intervals. |
| Super Quiet Muffler | Included super-quiet muffler reduces operating noise for a more comfortable mowing experience. |
| Ready to Install | Ships complete with fuel tank, muffler, and recoil backup starter — minimal extras required to get running. |
| Engine | Briggs & Stratton 21R877 |
|---|---|
| Series | Intek |
| Displacement | 344cc |
| Power output | 11.5hp |
| Engine type | 4-cycle OHV |
| Cylinders | 1 |
| Cooling system | Air cooled |
| Shaft orientation | Vertical |
| Dimensions (L × W × H) | 479 × 393 × 327 mm |
| Dry weight | 29.5 kg |
| Shaft type | Straight keyway |
| Shaft diameter | 1 inch |
| Shaft length | 3-5/32 inches |
| Keyway width | 1/4 inch |
| Starting system | 12V electric key-start + recoil backup |
|---|---|
| Ignition | Electronic spark |
| Carburetor | Float-feed with mechanical governor |
| Oil capacity | 1.4 L |
| Oil filter | Yes |
| Oil level indicator | Automotive-style dipstick |
| Air cleaner | Dual-element premium filter |



