Complete 10-piece 50″ deck rebuild kit for select Toro TimeCutter and Exmark Quest zero-turn mowers. Includes the major wear components needed to rebuild the compatible 50″ cutting deck: 3 spindle assemblies, 3 high-lift blades, 1 deck drive belt and 3 flat idler pulleys.
Designed for 50″ mower decks using the Toro / Exmark 121-0751 spindle family, 115-5059-03 blade family, 119-8820 deck belt and 106-2175 / 132-9420 flat idler pulley family.
Important: Verify Your Complete Mower Model Number
Toro and Exmark used different deck configurations across models, production years and serial number ranges. Do not order by deck size or mower series alone. Verify your complete mower model number and original part numbers before ordering.
What Is Included
| Component | Qty. | Part / Reference |
|---|---|---|
| Spindle Assembly | 3 | 80-12-033-N / 121-0751 / 139-3214 |
| High-Lift Blade | 3 | 80-10-408 / 115-5059-03 |
| Deck Drive Belt | 1 | 80-90-959 / 119-8820 |
| Flat Idler Pulley | 3 | 80-91-016 / 106-2175 / 132-9420 |
OEM & Replacement Part Number Cross-Reference
Spindle Assembly – 80-12-033-N
Replaces / references Toro and Exmark spindle numbers:
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
High-Lift Blade – 80-10-408
Replaces / references:
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 required
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
Flat Idler Pulley – 80-91-016
Replaces / references:
Toro 106-2175, 132-9420
Exmark 106-2175, 132-9420
Rotary 12901
Idler Pulley Specifications:
Approximately 3/8″ ID • 4-1/8″ OD • 1-1/2″ height • 3 pulleys included
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, 74774, 74775
MX5025
Model numbers include: 74727, 74776
MX5050
Model numbers: 74770, 74771
MX5060
Model numbers: 74641, 74643
TimeCutter SW / SWX Series
SW5000
Model number: 74790
SWX5050
Model numbers: 74797, 74798
Additional Toro 50″ Applications
This deck component family is also associated with additional Toro 50″ TimeCutter applications, including model numbers:
74660, 74661, 74680, 74688, 74727, 74768, 74772, 74773, 74774, 74778, 74795, 74840
Because Toro deck configurations can vary by production year and serial number, verify the original spindle, blade, belt and idler pulley numbers before ordering for these additional applications.
Compatible Exmark Quest 50″ Applications
This same 50″ deck component architecture is also used on select Exmark Quest E-Series, S-Series and related Quest zero-turn mowers.
Known applications in this component family include:
QSS708GEM50200
QSS725GKC50200
QTE691KA501
QTE708GEM50200
QTE735KC501
QTE735KC502
QTS691KA502
QTS708GEM50200
QTS725GKC50200
QTS735KC502
QZS691CKA50200
QZS708GEM50200
Exmark Quest models may vary by serial number. Confirm that your mower uses the 121-0751 spindle family, 115-5059-03 blade family, 119-8820 belt and 106-2175 / 132-9420 idler pulley family before ordering.
Complete 10-Piece Deck Rebuild Kit
Everything in One Kit
Includes 3 spindle assemblies + 3 high-lift blades + 1 deck drive belt + 3 flat idler pulleys for a total of 10 major deck replacement components.
How to Confirm This Is the Correct Kit
This kit is intended for compatible 50″ decks using all four 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 family
- Flat Idler: 106-2175 / 132-9420 family
If these references match the original components used on your 50″ deck, this is the corresponding complete 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 older Toro TimeCutter Z-Series models and other 50″ configurations use different spindle assemblies, belt routing or multiple-belt systems. Always use your mower model number and original component numbers to verify compatibility.
Need Help Confirming Compatibility?
Send us your complete Toro or Exmark mower model number before ordering and we will help verify the correct deck rebuild kit.
Aftermarket replacement parts. Toro, TimeCutter, Exmark, Quest and OEM part numbers are used for identification and compatibility reference purposes only.
