Genuine Toro OEM 145-6361 Cogged Belt for 54" Timecutter Riding Lawn Mowers Fits Units 77501 77502 77503 77504 77505 77506 77507 77515TA 77520TA

What It Is

This is a genuine Toro OEM cogged belt (part #145-6361) that drives the cutting blades on 54" Timecutter riding mowers. It’s a direct replacement for the factory-installed belt on select Timecutter ZS and ZR models.

Fitment & Compatibility

Before buying, confirm your mower’s model number is on the compatibility list: 77501, 77502, 77503, 77504, 77505, 77506, 77507, 77515TA, 77520TA. All must be 54" deck models. Measure your existing belt: this belt is 1/2" wide, cogged (notched), and approximately 130.5" long. Only use on Toro Timecutter 54" decks—will not fit 42" or 50" decks. Avoid aftermarket “universal” belts; this OEM part matches the exact groove profile and tension requirements.

Key Things to Know

• Quality: OEM Toro belts use Kevlar-reinforced rubber. Expect 200–300 hours of use under normal conditions.
• Installation difficulty: Moderate. You must remove the deck, release belt tension by removing the spring-loaded idler pulley, and route the belt around all pulleys per the deck diagram. A belt installation tool (or a long screwdriver) helps.
• Common gotcha: If the belt squeals or slips after install, check that the idler pulley spring is properly seated and that the belt is not twisted. Also verify the deck spindles spin freely—seized bearings can shred a new belt quickly.
• Storage tip: Store the belt indoors, away from UV and oil. A belt that sits in a hot shed for a season may crack prematurely.

Should You Buy It

Buy this if you own a Toro Timecutter with a 54" deck and need a direct, no-guesswork replacement that will fit and perform exactly like the original. Avoid it if you’re looking for a cheaper aftermarket belt or if your mower model isn’t listed—fitment is not universal.