A-B11687313SM-AI TRANSMISSION KIT

One New Aftermarket Replacement Transmission Kit (K57) for Simplicity and Murray Lawn Tractors

This aftermarket replacement transmission kit fits Simplicity and Murray hydrostatic lawn tractors, including the popular Simplicity Broadmoor series. The K57 hydrostatic transmission assembly (without pulley) is the drive system responsible for smooth, variable-speed forward and reverse operation on these hydro-drive lawn tractors. This kit replaces the original transmission assembly and is a direct-fit replacement for machines experiencing loss of drive or hydrostatic failure.

Compatible Models

Simplicity Broadmoor Hydro Lawn Tractors (select 16HP, 18HP, and 20HP hydro models), including: 1693965, 1693987, 1693998, 1694009, 1694018, 1694027, 1694228, 1694277, 1694281, 1694429, 1694430, 1694468, 1694629, 1694630, 1694631, 1694632; Simplicity LT-Series Hydro Lawn Tractors including LT1644, LT1840, LT18400, LT2040, LT2044, LT20440, LT2246; Murray Lawn Tractor 107250050 (CTX9000 Craftsman 22HP, 46-inch Mower Deck)

Note: Fits Simplicity and Murray branded machines. Simplicity, Murray, and Snapper are owned by Briggs and Stratton - packaging may reflect Briggs and Stratton branding.

Replaces Part Number(s):

1687313SM, 1722668 (superseded - use 1687313SM)

Aftermarket Interchange Numbers

A-B11687313SM-AI (Sunbelt/aftermarket distributor number); supersedes Simplicity 1722668; also referenced as Snapper 1687313SM and Briggs and Stratton 1687313SM

New aftermarket replacement part - not remanufactured, not used.