Your Bobcat skid steer or track loader is a workhorse, but its sweeper attachment is only as good as the bristles touching the ground. When those bristles wear down, your productivity drops, jobs take twice as long, and you leave debris behind.
Finding the correct replacement wafer brushes for Bobcat sweeper attachments can be confusing. OEM part numbers change, aftermarket options vary in quality, and choosing the wrong bristle material can ruin a surface or wear out in a week.
As a direct-to-consumer factory specializing in industrial sweeper brushes, we know exactly what makes these machines tick.
This ultimate guide will walk you through everything you need to know to choose the perfect replacement wafers for your Bobcat, ensuring maximum uptime and peak sweeping performance.
Why “One Size Fits All” Doesn’t Work for Bobcats
Bobcat offers various sweeper attachment models—typically ranging from 44-inch sidewalk sweepers up to 84-inch heavy-duty angle brooms.
Using the wrong size wafer isn’t just about fitment; it’s about performance. A wafer with the wrong inner diameter (ID) won’t sit securely on the drive shaft. A wafer with the wrong outer diameter (OD) won’t provide the correct “flick” action needed to throw debris into the hopper.
Furthermore, the environment dictates the brush you need. A Bobcat clearing snow in a mall parking lot needs a completely different setup than a Bobcat sweeping asphalt millings on a highway project.
Step 1: Choosing the Right Bristle Material
The single biggest factor in sweeping success is matching the bristle material to the job. You generally have three options when ordering replacement kits for Bobcat sweepers.
1. All-Poly (Polypropylene) Wafers
These are the industry standard for general-purpose sweeping.
Best For: Snow removal, sweeping loose dirt, sand, leaves, and general debris on finished surfaces like concrete or seal-coated asphalt.
Pros: Excellent lifespan; abrasion-resistant; will not scratch delicate surfaces; resistant to many chemicals; historically better for flicking light snow.
Cons: Not aggressive enough for compacted mud, heavy gravel, or asphalt milling.
2. All-Wire (Steel) Wafers
Wire wafers are the heavy hitters intended for aggressive cutting action.
Best For: Cutting through compacted mud, ice, heavy gravel, and construction site grime.
Pros: Extremely aggressive cleaning power; durable in tough environments.
Cons: Can scratch pavers, decorative concrete, or sealed driveways. If used incorrectly, wire bristles can snap off faster than poly.
3. The “Combo” Wafer Kit (Poly/Wire Mix)
For most construction and municipal contractors, the Combo kit is the ultimate solution. These kits usually alternate one poly wafer with one wire wafer along the core.
Best For: Construction site cleanup, road construction (sweeping behind milling machines), and heavy winter use where both snow and ice are present.
Pros: You get the aggressive cutting power of the steel wire combined with the lifting and “flicking” ability of the poly bristles. It’s the most versatile setup for a Bobcat.
Step 2: Understanding Convoluted vs. Flat Wafers
When you look at a wafer brush, it isn’t perfectly flat. It has a wave to it. This is called a convoluted (or wavy) wafer.
Some older systems used flat wafers separated by metal spacers. Modern Bobcat sweeper attachments almost exclusively use convoluted wafers without spacers.
Why the wave matters:
The wave shape creates space between the bristles. This space allows the brush to grab debris and “flick” it forward. If the bristles were packed too tightly (like a solid drum), they would just push the dirt around rather than sweeping it up.
Important Installation Tip: When installing replacement wafers on your Bobcat core, you must alternate the wave pattern (rotate every other wafer 180 degrees). This ensures the high spots of one wafer meet the low spots of the next, creating a uniform sweeping surface and preventing “streaking.”
Step 3: Sizing Your Bobcat Replacements (How to Measure)
Bobcat sweeper attachments come in various widths (e.g., 60″, 72″, 84″). However, simply knowing the width isn’t enough to order the wafers. You need to know the dimensions of the wafers themselves.
If you don’t have the OEM part number handy, here is how to measure your existing core to ensure you order the correct factory-direct replacements.
1. Measure the Outer Diameter (OD)
This is the total diameter of the brush from bristle tip to bristle tip.
Note: If your old brushes are heavily worn, they will measure smaller than they should. Check your attachment manual for the original spec. Common Bobcat wafer ODs are often [e.g., 24″ or 26″].
2. Measure the Inner Diameter (ID)
This is the critical measurement. It is the diameter of the center metal ring that slides onto the sweeper shaft.
Common IDs for skid steer attachments are often [e.g., 6 3/8″ or 10″]. It must be exact.
3. Check the Drive Pins
Look at the center metal ring. Does it have one drive pin (a small notch) or two? Where are they located? The replacement wafers must match the drive mechanism on your Bobcat’s core shaft to lock into place.
When Is It Time to Replace Your Bobcat Brushes?
Don’t wait until the brush is bald. Running a sweeper with worn-out bristles is inefficient and can actually damage the sweeper attachment itself by causing the metal core to hit the ground.
Signs it’s time to order a new kit:
Reduced Diameter: A standard 26″ brush should usually be replaced when it wears down to about [e.g., 18-20 inches].
“Coning”: The brush is wearing unevenly, looking like a traffic cone (usually caused by too much down-pressure on one side).
Bent Bristles: This indicates the operator is applying too much down-pressure, causing the bristles to bend backward rather than flicking with the tips.
Poor Performance: You are having to make multiple passes to clear the same stretch of ground.
Why Buy Factory-Direct Instead of OEM?
When your Bobcat needs new brushes, your first instinct might be to call the local dealer. While that works, you are often paying a significant markup for the brand name on the box.
As a dedicated wafer brush manufacturer, we supply products that meet or exceed OEM specifications for Bobcat sweepers, but with distinct advantages:
- Better Pricing: You are buying directly from the source, eliminating dealer markups.
- Guaranteed Fit: We engineer our wafers precisely for the drive cores used on standard Bobcat attachments.
- Customization: Do you need an extra-aggressive wire-heavy combo kit for a tough job? We can configure kits exactly how you need them.
- Material Quality: We use only virgin polypropylene and high-grade spring steel, ensuring our brushes last as long as, or longer than, the original parts.
Ready to Get Your Bobcat Back to Work?
Don’t let a worn-out sweeper slow down your operation.
If you know your measurements, you can order your replacement kit directly below. If you aren’t sure what you need, our engineers are ready to help you identify the perfect setup for your specific Bobcat model and application.
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