Dragon 805-0089 Side Roller Retainer Washer – 3½" OD x 2½" ID.
Dragon 805-0089 Side Roller Retainer Washer – 3½" OD x 2½" ID
Replace a worn, damaged, or missing side roller retaining washer with this 3½-inch outside diameter x 2½-inch inside diameter replacement washer for compatible Dragon roll-off trailers.
Offered as a replacement for Dragon part number 805-0089, this washer is used in compatible side roller retaining arrangements on roll-off trailer equipment.
The retainer washer is a component of the side roller mounting and retention arrangement. When installed with the correct shaft and retaining hardware, it helps maintain the intended positioning of the roller assembly.
This replacement washer is intended for Dragon roll-off trailer applications requiring the specified dimensions and mounting configuration.
Dragon Replacement Part Number: 805-0089
Roll Off Truck & Trailer Parts SKU: 805-0089
IMPORTANT: THIS LISTING INCLUDES ONE RETAINER WASHER ONLY. THE SIDE ROLLER, SHAFT, COTTER PIN, AND OTHER HARDWARE ARE NOT INCLUDED.
Features & Benefits
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Replacement for Dragon 805-0089: Intended for compatible Dragon roll-off trailer side roller assemblies.
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3½" Outside Diameter: Provides the specified outside dimension for matching retaining arrangements.
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2½" Inside Diameter: Center opening for compatible side roller shaft and retention configurations.
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Side Roller Retention Application: Used as part of the washer and retaining hardware arrangement.
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Individual Replacement Component: Replace a damaged or missing washer without purchasing an entire roller assembly.
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Commercial Roll-Off Trailer Application: Intended for equipment used in waste hauling, recycling, scrap transportation, and container handling.
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Easy Part Identification: Dragon part number 805-0089 helps identify the replacement.
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Available Individually: Order the washer separately from the roller and cotter pin.
Product Specifications
| Specification | Details |
|---|---|
| Compatible Equipment Brand | Dragon |
| Replacement Part Number | 805-0089 |
| Store SKU | 805-0089 |
| Product Type | Side Roller Retainer Washer |
| Outside Diameter (OD) | 3½ Inches |
| Inside Diameter (ID) | 2½ Inches |
| Primary Application | Dragon Roll-Off Trailer Side Roller Assemblies |
| Product Supplied | One Retainer Washer |
| Side Roller | Not Included |
| Roller Shaft | Not Included |
| Cotter Pin | Not Included |
| Additional Hardware | Not Included |
Replacement Retainer Washer for Dragon Roll-Off Trailer Side Rollers
Dragon roll-off trailers use side rollers and related mounting components as part of their container-handling equipment.
The side roller arrangement may include a roller, supporting shaft, retaining washer, cotter pin, and additional mounting components.
The Dragon 805-0089 side roller retainer washer is intended for compatible installations requiring a washer with a 3½-inch outside diameter and a 2½-inch center opening.
This part may be needed when replacing or servicing:
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Dragon roll-off trailer side roller assemblies
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Worn or damaged roller retaining components
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Missing side roller washers
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Side roller shaft and retaining hardware
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Roll-off trailer roller mounting arrangements
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Commercial roll-off trailer maintenance components
Important: The correct washer depends on the specific roller and shaft arrangement installed on your trailer. Verify the dimensions and original part number before purchasing.
Related Dragon Side Roller Parts
When servicing the side roller assembly, inspect the washer, roller, shaft, and retaining hardware together.
Dragon 805-0089 – Side Roller Retainer Washer
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3½" outside diameter
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2½" inside diameter
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Sold individually
Dragon 805-0090 – Retainer Washer Cotter Pin
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3/8" diameter
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4" length
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Sold separately
Dragon 805-0010 – Side Roller
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Related Dragon side roller replacement
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Verify roller dimensions and shaft compatibility
Shop Dragon 805-0090 Retainer Washer Cotter Pin
Shop Dragon Side Roller Replacement
Related parts are sold separately. Confirm the correct components for your trailer before ordering.
Why Replace a Damaged Side Roller Retainer Washer?
Side roller assemblies are exposed to vibration, repeated loading, road conditions, and demanding trailer operations.
Over time, retaining components can become bent, worn, damaged, or missing.
Common reasons to inspect or replace a retaining washer include:
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Bent or distorted washer
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Cracks or visible damage
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Excessive wear around the center opening
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Missing retaining washer
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Damage caused by a loose or worn roller assembly
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Wear discovered during roller or shaft replacement
A damaged or missing washer can affect the intended retaining arrangement.
When replacing the washer, inspect the roller shaft, cotter pin, and other retaining components for wear or damage.
How to Verify the Correct Dragon Retainer Washer
Before ordering, compare the replacement washer with your original component.
1. Verify the Part Number
Confirm that your equipment requires Dragon 805-0089 or a verified equivalent.
2. Measure the Outside Diameter
This washer has a 3½-inch outside diameter.
3. Measure the Inside Diameter
The center opening measures 2½ inches.
4. Check Washer Thickness
Compare the thickness of your original washer with the replacement before installation.
5. Inspect the Roller Shaft
Confirm the washer is appropriate for the shaft and retaining arrangement installed on your trailer.
6. Check the Cotter Pin
Inspect the retaining cotter pin and replace it with the correct part if necessary.
Important: Matching the outside and inside diameters is necessary but may not be sufficient for fitment. Check washer thickness and the complete retaining arrangement.
Frequently Asked Questions
What is Dragon part number 805-0089?
Dragon 805-0089 is a side roller retainer washer used in compatible Dragon roll-off trailer applications.
What are the dimensions?
The washer has a 3½-inch outside diameter and a 2½-inch inside diameter.
What is the purpose of the side roller retainer washer?
It is used as part of the retaining arrangement for a compatible roll-off trailer side roller assembly.
Does this washer include a cotter pin?
No. This listing is for the washer only. The cotter pin is sold separately.
What is the related cotter pin part number?
Dragon part number 805-0090 is listed as a retainer washer cotter pin measuring 3/8" x 4".
Does this include the side roller or shaft?
No. The roller, shaft, and other assembly components are not included.
Will this fit every Dragon roll-off trailer?
Not necessarily. Verify your original part number, washer dimensions, thickness, and mounting arrangement before ordering.
What is the store SKU?
The Roll Off Truck & Trailer Parts SKU is 805-0089.
Order Your Dragon 805-0089 Side Roller Retainer Washer
Keep your Dragon roll-off trailer maintained with replacement side rollers, retainer washers, cotter pins, and other trailer components from Roll Off Truck & Trailer Parts.
This Dragon 805-0089 side roller retainer washer measures 3½" OD x 2½" ID and is offered as an individual replacement for compatible Dragon side roller arrangements.
Order your Dragon side roller retainer washer online today!
PLEASE NOTE: WASHER ONLY — SIDE ROLLER, SHAFT, COTTER PIN, AND OTHER HARDWARE NOT INCLUDED.
Need the retaining cotter pin? Shop Dragon 805-0090 Cotter Pin.
Fitment Note: Dragon 805-0089 is used for replacement-part identification. Verify the outside diameter, inside diameter, thickness, and retaining hardware arrangement before ordering.
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