50" Deck Rebuild Kit for Toro TimeCutter Exmark Quest SS5000 MX5000 119-8820

Complete 7-piece 50" deck rebuild kit for select Toro TimeCutter and Exmark Quest zero-turn mowers. Includes 3 spindle assemblies, 3 high-lift blades and 1 deck drive belt — the primary cutting and drive components needed to rebuild the compatible 50" mower deck.

Designed for 50" mower decks using the Toro / Exmark 121-0751 spindle family, 115-5059-03 blade family and 119-8820 deck belt family.

What Is Included

OEM & Replacement Part Number Cross-Reference

Spindle Assembly – 80-12-033-N
Replaces / references Toro and Exmark:
117-0751, 117-7267, 117-7268, 117-7439, 120-6234, 121-0751, 121-9107, 139-3214

Spindle Specifications:
Approximately 5-1/2" height • Approximately 6-1/4" OD • Includes pulley nut • Top-mounted grease fitting

139-3214 is a current replacement reference for earlier spindle assemblies in this family.

High-Lift Blade – 80-10-408
Replaces / references Toro and Exmark:
110-6837-03, 112-9759, 112-9759-03, 115-5059, 115-5059-03, 79016P

Blade Specifications:
17-1/2" length • Approximately 2-1/4" width • 5/8" center hole • High-lift style • 3 blades included

Deck Drive Belt – 80-90-959
Replaces / references:
Toro 119-8820, 120-3892
Exmark 119-8820
Rotary 14733
Stens 265-467
Oregon 15-143

Belt Specifications:
Approximately 1/2" wide × 141-1/2" long • Covered aramid-cord construction

Compatible Toro TimeCutter 50" Models

TimeCutter SS Series

SS5000
Model numbers: 74630, 74631, 74637, 74730, 74731, 74732

SS5035
Model number: 74635

SS5060
Model numbers: 74632, 74638

TimeCutter MX Series

MX5000
Model numbers include: 74772, 74773, 74775

MX5025
Model numbers: 74727, 74776

MX5050
Model numbers: 74770, 74771

MX5060
Model numbers: 74641, 74643

TimeCutter SW / SWX Series

SW5000
Known applications include model numbers 74680 and 74790.

SWX5050
Model numbers: 74797, 74798

Additional Toro 50" Applications

The same spindle, blade and belt architecture is also used on additional select Toro TimeCutter 50" applications, including:

ZS5000 / ZS5000TF: 74387, 74395, 74660, 74661

Because Toro configurations can vary by production year and serial number, verify that your mower uses the 121-0751 spindle family, 115-5059-03 blade family and 119-8820 deck belt before ordering.

Compatible Exmark Quest 50" Models

This same spindle, blade and belt configuration is used on select Exmark Quest E-Series and S-Series 50" zero-turn mowers.

Known compatible applications in this deck family include:

QSS708GEM50200
QSS725GKC50200
QTE691KA501
QTE708GEM50200
QTE735KC501
QTE735KC502
QTS691KA502
QTS708GEM50200
QTS725GKC50200
QTS735KC502
QZS691CKA50200
QZS708GEM50200

Exmark Quest configurations can vary by serial number. Confirm that your mower uses the 121-0751 spindle family, 115-5059-03 blade family and 119-8820 deck belt before ordering.

Complete 7-Piece Deck Rebuild Kit

How to Confirm This Is the Correct Kit

This kit is intended for compatible 50" decks using all three of the following component families:

• Spindle: 121-0751 / 117-0751 / 117-7267 / 117-7268 / 117-7439 / 139-3214 family
• Blade: 110-6837-03 / 112-9759-03 / 115-5059-03 family
• Deck Belt: 119-8820 / 120-3892 family

If these references match the original components used on your 50" mower deck, this is the corresponding spindle, blade and belt rebuild configuration.

Important Fitment Information

Toro TimeCutter and Exmark Quest mowers were produced with multiple deck configurations. A 50" cutting width alone does not confirm compatibility.

Some Toro TimeCutter and Exmark Quest models use different spindle assemblies, blades or belt configurations. Always verify your complete mower model number and original component numbers before ordering.

Aftermarket replacement parts. Toro, TimeCutter, Exmark, Quest and OEM part numbers are used for identification and compatibility reference purposes only.