ZALANA 618-06978 Spindle Assembly – 2 Pack for Cub Cadet MTD Troy-Bilt 54-Inch Deck

Overview

Meet the ZALANA 618-06978 spindle assembly, a reliable replacement part designed to take the guesswork out of mower maintenance. This two-pack aligns with OEM references 618-06978 and 918-06978 and is compatible with a broad range of Cub Cadet, Troy-Bilt, and MTD/Craftsman models that use a 54-inch deck. The design emphasizes smooth operation, solid fit, and straightforward installation, so you can get back to your yard with minimal downtime.

Real-world use often means steady blade rotation, consistent cut quality, and reduced wobble when you replace worn spindles with a trusted alternative. The spindle’s thoughtful construction helps you preserve your mower’s performance without promising guarantees, focusing instead on practical, observable improvements in everyday tasks.

What’s in the box

• 2x spindle assembly
• Pre-greased design for quick setup
• Side grease fitting for easy lubrication
• Aluminum alloy body for durability and corrosion resistance

Compatibility at a glance

The spindle is engineered to replace OEM 618-06978 and 918-06978 and to fit a wide range of models with a 54-inch deck. Notable compatible families include:

• Cub Cadet: RZT-L54, RZT-L54KH, RZT-L54KW, RZT-LX54, RZT-S54, RZT-S54KH, RZT-S54KW, RZT-SX54, XT1-GT54, XT1-ST54, XT2-GX54 KH with 54" deck
• Troy-Bilt: TB2454, Super Bronco 54, Super Bronco 54 GT, Mustang 54 XP
• MTD/Craftsman: G8400, G8600, T8400, Z6900, Z6600; Columbia: CGT5426, CSLT5424, ZT-L54 KH, ZT-S54 KH on Zero-Turn mowers

Maintenance and care

• Pre-greased with a side fitting to simplify lubrication
• Apply grease until it appears at the weep hole to ensure proper lubrication cycle
• Change mower oil after the mowing season to support overall longevity

Durable build and dimensions

Constructed from high-quality aluminum alloy, the spindle combines lightweight strength with corrosion resistance. Key specifications include a spindle height of 6-13/16 inches, a pulley OD of 5-7/16 inches, and a 6-point star blade mount. The package contains 2 units, ready for a quick swap when needed.

Why choose ZALANA

Designed for compatibility, durability, and straightforward installation, this 2-pack offers solid value for homeowners and pros alike. While results depend on mower condition and usage, the spindle is positioned as a practical option for keeping cutting performance steady and reliable across compatible deck configurations.