Mower Spindle Assembly for 42" Deck – To Fit MTD / Cub Cadet / Troy-Bilt – Replaces 918-0659 / 618-0624

To Fit MTD / Cub Cadet / Troy-Bilt – Mower Spindle Assembly for 42" Deck – Star Blade Mount – Replaces 918-0659 / 618-0624

Product Overview
This spindle assembly is built to restore cutting precision and drive performance for 42-inch ride-on mower decks equipped with 6-point star center blades. Compatible with a wide range of MTD, Cub Cadet, and Troy-Bilt models, it serves as a direct replacement for factory-installed spindles and includes the pre-mounted pulley for quick installation.

Replaces OEM Part Numbers

Cub Cadet:
618-0624, 618-0659, 918-0624, 918-0624A, 918-0659, 918-0659A
6180624, 6180624A, 6180659, 9180624, 9180624A, 9180659, 9180659A

MTD:
618-0624, 618-0624A, 618-0659, 618-0659A
918-0624, 918-0624A, 918-0659, 918-0659A
6190019B, 7000080

Troy-Bilt:
618-0624, 618-0659, 918-0624, 918-0624A

Fitment – Cub Cadet Models:
LT1040, LT1042, RZT42
CC1020 RD, 13AE51CN630, 13AE51CN654
13AX11CG330, 13AX11CG630, 13AX11CG710
17AE2ACG330, 17AE2ACG630

Fitment – Troy-Bilt Models:
13AJ609G766, 13AX60TG766

Fitment – MTD Models:
HN5200, RZT42, 13A5791G670, 13A7771G670
13AB604G671, 13AD791G670, 13AE51CN630, 13AE51CN654
13AJ609G766, 13AM498N670, 13AN771G729, 13AN779G766
13AO771G670, 13AP518N670, 13AP604G, 13AP604G371, 13AP604G671
13AV604G, 13AV604G371, 13AV604G671, 13AV604G71
13AX11CG330, 13AX11CG630, 13AX11CG710, 13AX604G671
13AX605G755, 13AX60TG766, 13AX611G705
13BE514N643, 13BE514N671, 13BN771G, 13BN771G729
13BP514N671, 13BT514N671, 13BT604H755

Specifications
– Overall Height: 6-1/2 inches
– Pulley: Included and pre-mounted
– Blade Interface: 6-point star center hole
– Deck Size: 42" (select 50" decks also supported)
– Construction: Durable OEM-grade steel and alloy

Installation
Direct bolt-on replacement with factory-matched bolt pattern and pulley alignment. No cutting or adaptation required.

Package Includes
– 1 x Spindle Assembly with Pulley (pre-assembled)
– Mounting hardware not included

Additional Notes
– Compatible with stamped mower decks
– For lawn tractors using 6-point star blades
– Always confirm part numbers and deck type before purchase