A-B180081031-AI SB MODEL 61 HORZ

One New Aftermarket Replacement Short Block Assembly for Briggs & Stratton (Briggs and Stratton) Model 61 Horizontal Shaft Engines

This short block assembly (SB Model 61 Horz) replaces the core internal engine components for Briggs & Stratton Model 61 Series horizontal shaft engines. The short block includes the crankcase, cylinder assembly, and essential internal components needed to restore engine performance. It is designed for horizontal shaft configurations and includes the gaskets required for short block changeover. Compatible with a wide range of outdoor power equipment including lawn tractors and zero-turn mowers powered by Briggs & Stratton 61 Series horizontal engines.

Specifications

• Shaft Orientation: Horizontal
• Crankshaft: 1-1/8 in. x 4 in., 1/4 in. keyway, tapped 7/16-20
• Includes gaskets required for short block changeover
• Engine Series: Model 61 (Series 61)

Compatible Engine Models

Briggs & Stratton Model 61 Series (Horizontal Shaft): 542477, 543477, 611477, 613477 series engines and their type variants. Verify your engine model, type, and code numbers stamped on the engine block before ordering.

Replaces Part Number(s):

80081031, B180081031, A-B180081031-AI

Aftermarket Interchange Numbers

791244, 791246

New aftermarket replacement part - not remanufactured, not used.