LAWN MOWER BELTS. Mower belts cross reference • CIMFLOK.COM

Quest hydrostatic drive belt cross reference?

At least It waited to break until after I got the front yard done. Reichsfuhrer Robin just would not have understood had it broken sooner. So it’s 1pm Saturday and all the Exmark dealers are closed. Does anyone know what the Gates or Dayco number cross-reference is for the hydrostatic drive belt? Model QST22BE482 Serial number 886860 48-inch deck. THANKS!

Well-Known Member

At least It waited to break until after I got the front yard done. Reichsfuhrer Robin just would not have understood had it broken sooner. So it’s 1pm Saturday and all the Exmark dealers are closed. Does anyone know what the Gates or Dayco number cross-reference is for the hydrostatic drive belt? Model QST22BE482 Serial number 886860 48-inch deck. THANKS!

You better wait and get an O.E.M. belt. it will pay off in the long run! So tonykarter. are you a kart racer?

Well-Known Member

Was a kart racer. Was a kart. participant more than a racer. Still got it. Sits out there in the shop. Yeah, the only belt I can find today IS an Exmark, but it is 60 miles away and 35.xx. Was hoping to find a cross reference and buy two for that price.

I see. put that thing back on the track, no time better than the present! I still say get OEM, it might outlast those other 2 cheapies

Lawn Royalty

Gates are universal belts which can fit multiple applications. You never know if the belt length, angle and material match OEM.

Lawn Royalty

I will be the odd man out here. If you select a Gates belt from their interchange application you will get a belt of equivalent or better quality than the original. Gates make a specific range for mowers and another range for general outdoor equipment. A lot of the belts I get from my aftermarket suppiiers are Gates belts. The trouble is to do this you need the Exmark part number and to prevent you from doing this the Exmark parts look up does not list the part number for the belt “contact your local dealer ” However the new Gates look up site lists it as a 6780BR Blade Runner belt Note it is not a standard 40 deg A section belt it is 39 deg V angle and wider at the top ( 14mm ) The down side is you are unlikely to find one at your friendly Gates belt dealer as different businesses carry different ranges of belts and it will most likely need to be ordered in for you. The Stens catalogue lists 265-163 as a replacement. although they show it 75.5″ where as Gates show it as 75.22″. However you should be able to get a Stens belt from a mower repair shop. I have 2 in stock here but postage from Aust might be a while. When you are in there check the plastic idlers as they wear and the flanges get busted up which chops up the belt over time Worthwhile keeping a pair of them in the shed

Lawn Mower Belts:

Keep your outdoor power equipment running well. At Small Engines PRO Dealer, we carry a wide variety of lawn mower belts to ensure your equipment keeps performing properly. All Lawn Mowers Belts showed on this section are all high quality aftermarket parts.STENS branded- that will directly replace the originally placed manufacturer. So if you are interested on genuine lawn mower belts, proceed to contact our representatives via email at info@smallenginesprodealer.com, they will be happy to answer you any questions.

These products are sold at the best price and we guarantee a fast delivery service, that’s why so many people recommend us, and shop with us. For browse our selection of Aftermarket Parts, you can use the menu located at the left of this section. From lawn mower belts 1/2″ to 5/8″, you’ve come to the right place! Click on the category and find your replacement belt easily.

We also offer Genuine Lawn Mower Belts.

We also offer you genuine lawn mower belts to keep your machine running at the top performance. If you’re interested on original equipment manufacturer (OEM Parts), please proceed to contact our representatives via email at info@smaillenginesprodealer.com.

If you are uncertain on what Stens Belts you need or are looking for your lawn mower, don’t worry! We have Master Techinicians ready to speak to you. Please email us at info@smallenginesprodealer.com and we will be happy to answer any questions.

Mower belts cross reference

Belts

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Mower belts cross reference

Lawn Garden Specialty Belts

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Check Belt Wear

Belts have a difficult job and can be the cause of various issues. Regular inspection will tell you if your belt is at the end of its life. Things to look for are flat-spotting, glazing, cracking, fraying, and contamination.

As you know, a V belt should sit just proud of the pulley shoulder; if it’s a lot lower than the shoulder of the pulley, it’s worn out.

How Long Do They Last?

The life of a belt is hard to gauge, it really depends on how much grass you’re cutting and how heavy the workload is, but usually, we’re talking years. Typically a belt should be changed after 3-4 years, but we know this doesn’t happen.

A worn or damaged pulley can shorten the life of your belt. An engine or transmission oil leak can destroy the belt, you can try cleaning it, but it causes slip. A derailing belt can get twisted and damaged, and a mower that throws belts regularly probably has a worn or damaged pulley.

But the real killer of belts – tall, heavy grass jams the blades, which causes flat spots on the belt. The flat spot will then cause a lot of vibration, which in turn can throw the belt.

Belt damage is usually caused on the first cut of the season when the grass is heavy. So if your grass is tall and heavy, just take a little off on the first pass and make a second pass with the deck a notch lower. Yes, it’s twice the mowing, but it’s better for your mower and your lawn.

Flat Spot – Flat spotting is usually caused when the blade jams, but the engine pulley keeps running. This has a grinding effect on the belt.

The flat spot will cause excessive vibration in the mowing deck. The fix is – Replace the belt.

Blistering – This can happen when a belt gets old, and the material starts to break down. Your mower won’t cut or collect very well. Better to take care of it now, before it breaks.

Glazing – This belt has a shiny hard surface that is not much good for traction. A belt like this will cause horrible vibration in the mowing deck.

Frayed – Wear and tear, this belt is at the end of its useful life.

Cracked – Natural wear and tear

Check Pulley Wear

A pulley’s job is to route the belt around the chassis of the mower or mowing deck and transfer power from the engine pulley to the driven pulleys. As a rough guide, pulleys usually wear out at the same time as a belt, so best to check them while you have the belt removed.

Tension and idler pulleys should move freely, be quiet when spun, and should feel smooth when turned. If they’re worn, now’s the time to take care of it; when a pulley bearing breaks, it will likely damage the belt.

Spin To Test

You don’t need to remove them to check. Spin them while the belt is off; they should be smooth and quiet. Changing them now is easy.

Bearings

Most pulleys come with the new bearings pressed in place; the exceptions are driven pulleys (Mandrel, engine, or transmission pulleys).

Pulley Types

Pulleys come in all sizes, some metal and some plastic. Tensioners and idlers will have a bearing fitted, and when it wears out, the whole pulley is replaced. Pulleys are usually broken into two main types, flat or V.

A flat pulley is not a driven pulley; it runs on the back of the belt, which isn’t powered (unless it’s on a AA belt).

A V pulley can be driving, driven, tensioner, or idler. A V pulley is described as a driven pulley if it’s connected directly to the output, such as a transmission or a blade Mandrel.

The driving pulley is the engine pulley; it’s the pulley supplying the power. Both the driven and driving pulleys are fixed to shafts using a key and key-way.

A tensioner pulley is part of a moving arm, which, when operated, applies tension to a belt. A tensioner pulley can be a flat or V pulley.

A stationary pulley is usually known as an idler, and its job is to route the belt around the chassis of the mower or mower deck; they can be flat or V-type.

Pulleys – Metal or plastic, V type or flat, driven or idle. So many choices.

Flat Pulley – A flat pulley on a V belt setup is never a driven pulley. Its job is to change the direction of the belt and guide it to the next pulley.

Fitting A Belt

Fitting a cutting blade deck belt that is just worn is the easiest, as you can see the routing of the old belt, and make a diagram or take pictures. Removing the old one also gives you an idea of how challenging fitting the new one will be.

As you know, there are a few variations of deck belt setups; most mowers will have one belt to drive the blades that are either a tension-ed or a un tension-ed belt. The belt can be fitted to both of these types of setups without removing the deck from the mower.

The timed belt setup is a little more involved but not complicated. It has two belts as do so some of the larger John Deere mowers. They can be a challenge as they have many pulleys, and you’ll need to remove the deck.

Pulley Covers

Likely you’ll have already removed the two plastic pulley protection covers, one on each side of the deck. Usually, 2 or 3 screws on each side. They’re not there to protect the pulley. They’re there to protect us from catching body parts in the pulleys.

The latest generation mowers are far more challenging to access as the nice people in the health and safety dept. have been working nights and weekends to find new ways to challenge us.

Removing Belt

Here’s a quick run-through of what we’ll be doing, but it’s all covered in the steps below with pictures. With the covers removed, start by removing the belt from the engine pulley. Often the engine pulley will have a belt guide; its job is to prevent the belt from derailing. Depending on the type of belt guide (if fitted), you may need to remove them first.

As you know, some belts will be tensioned all the time. By tension-ed, I mean the belt is tight around the engine pulley all the time.

The belt tensioner will allow for movement (it’s spring-loaded) so the easiest way to do this is by pulling the belt over the side of the engine pulley and then, with both hands, turning the engine pulley until the belt falls off (Removing the spark plug makes turning the pulley easy).

With the belt off the engine pulley, it’s easy to guide it off the other pulleys. Check your old belt against your new belt, just to be sure.

The un-tensioned belt is simple to fit, and by un-tensioned, I mean the belt is loose around the engine pulley until you engage the blades. The belt can usually be maneuvered around the guides without much trouble.

As with the tension-ed belt, remove the belt from the engine pulley first.

Fitting Belt

Reference your diagram or pictures of routing. Refitting the belt is identical except in reverse order, fitting the engine pulley last by pulling the belt onto the side of the pulley and turning the engine over.

Timed Belt

Most mowers have a simple deck belt setup, like the one covered in this guide is more complex. The demo mower used here has two deck belts driving the mowing deck.

The first one is the main input belt which is powered directly by the engine. This belt is easy to replace, and you don’t need to remove the deck, just some plastic covers.

The second belt is the output belt, and it turns both blades in time. This allows the cutting blades to overlap and catch that annoying tuft of grass you sometimes see in the middle of your cutting strip.

To replace the output belt also known as a toothed belt or timed belt, we need to remove the deck from the mower. It’s not difficult to do, and the whole job shouldn’t take more than an hour.

This guide covers a timed deck belt replacement procedure. Most timed decks will look something similar. It’s more complex than other deck belt setups but not difficult to work on. In this guide, I will: remove the deck; inspect belts; replace the belt; tension the belt; set the timing of the blades.

Tools

No special tools are needed on this mission, but an impact gun would make life a lot easier. When you try to open bolts attached to pulleys, they tend to spin, which is a real pain. Sure, you can wedge it or grab it with grips, but you risk damaging the face of the pulley, and that in turn can damage your new belt. Nooo!

The impact makes small work of pulley bolts, and the better brands have a torque setting built-in which makes reassembly a gift. It’s a super tool to have in the trunk of your car; it makes changing a wheel look NASCAR slick. So treat yourself or drop a few hints before fathers day.

Chute – On this model mower, the chute is fitted through the center of the mower. Not all mowers will have a chute like this. If your mower is side discharge, then you don’t have one.

Remove – As said earlier, you may not need to remove your deck to fit a belt. On this model mower, removing to fit the belt just makes life a little easier.

Pins – Locate the deck arms. Most mowers will have one at each of the four corners. The deck will be fixed to the deck arms with Cotter pins. (Some may have nuts and bolts) Remove the two front pins and the two rear pins.

Slide – The deck will be free to move forward, which allows you to remove the deck drive belt from the engine drive pulley. In some cases, you may have a cable to remove; this depends on the blade engage type.

Push – With all pins removed and belt off, just push the deck sideways and it will pop off the arm bushing mounts. Apply some grease when refitting. Hey, I make that sound easy!

Inspect – Go ahead and turn the deck over to inspect the blades and blade boss (blade attachment). It’s likely that the blades are damaged; if they are, replace them.

Bent – If your blades are bent or worn, now is the time to take care of them. Replacement blades are easy to fit when the deck is off.

Boss – When your blade hits something hard, the blade boss pins are designed to break; this saves damaging more expensive components.

Replace – Check washers and bolts for damage. Blade bolts and washers are specially designed, so only use the original kit.

Remove – Remove plastic protection covers.

Pulley – Remove the drive belt tension assembly.

Key – Remove and store the key and the spacer ring safely.

Remove – Remove the timed belt protective cover.

Belt – Remove the broken belt, and check for damage.

Loosen – Loosen both pulley bolts; the bolts are positioned on the underside of the pulley.

Remove – Remove the two guide bolts. Remember to fit these after fitting the belt, but tighten them last.

Loosen – Loosen the two guide bolts.

Loosen – Loosen the lock-nut on the adjusting bolt, and thread it all the way out.

Push – Now push the tensioning assembly in all the way so it hits the adjusting bolt.

Set to 90° – Set the deck blades at 90° to each other.

Mark – Now mark the two main blade pulleys and the deck body as per the picture. Marking them with paint gives us a clear reference point when fitting the new belt.

Align – Keep your paint marks aligned and fit the belt to the tension assembly last.

Check – Check your paint marks again; it’s OK if you’re out by one or two teeth.

Routing – This is a typical timed belt routing.

Adjust – Adjust belt tension first, and tighten down the lock-nut. Do not tighten pulley bolts or guide bolts at this stage.

Check – Check belt tension as you adjust. Leave some play in the belt; it should deflect by about 1/2″ at its longest run.

Check 90° – Check that the blades are at 90 degrees. If all is OK, go ahead and fit the guide bolts, but don’t tighten them yet. Tighten the two pulley bolts, and now tighten the four guides.

Quest hydrostatic drive belt cross reference?

Lawn Mower Belts:

We also offer Genuine Lawn Mower Belts.

Mower belts cross reference

Belts

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We are experiencing high call volumes.

Mower belts cross reference

Check Belt Wear

How Long Do They Last?

Check Pulley Wear

Spin To Test

Bearings

Pulley Types

Fitting A Belt

Pulley Covers

Removing Belt

Fitting Belt

Timed Belt

Tools

Related Questions