Product Description
Crown CR 77086-1-A durable tandem poly load wheel assembly, constructed for heavy-duty electric lift truck applications and compatible with PE 3000 Series and PW Walkie models. Features high-grade polyurethane tread, sealed ball bearings, and direct replacement cross-reference part numbers. Precision dimensions and compound 305 Durarun material provide extended life in demanding warehouse environments.
Specifications
Material
| Wheel Material | Polyurethane, compound |
| Bearing Material | Hardened steel bearing races |
| Outer Wheel Hardness | Shore A 95A |
Part Numbers
| Cross-Reference Part Numbers | Replaces 77086-A, compatible with CR77086-A, supersedes 77086-301, equivalent to CR77086-20 |
| OEM Part Number | CR 77086-A |
| Manufacturer Part Number | CR 77086-A |
| Alternate Part Number | 77086-A, CR77086-A, 77086-301, CR77086-20 |
| Model Compatibility | Compatible with Crown PE 3000 Series, PW Walkie |
Frequently Asked Questions
Q: What Crown equipment models are compatible with the CR 77086-1-A?
A: The CR 77086-1-A tandem polyurethane load wheel assembly fits Crown PE 3000 Series and Crown PW Walkie models. The assembly features sealed ball bearings and compound 305 Durarun for enhanced durability in heavy-duty applications.
Q: What cross-reference part numbers are equivalent to CR 77086-1-A?
A: The CR 77086-1-A replaces 77086-A and is compatible with CR77086-A. It supersedes the older 77086-301 designation and is equivalent to CR77086-20. Verify the correct cross-reference for your truck model before ordering.
Q: What is compound 305 Durarun and why is it used in the CR 77086-1-A?
A: Compound 305 Durarun is a high-grade polyurethane material engineered for extended tread life in demanding warehouse environments. It resists rapid wear, maintains consistent rolling resistance, and provides good load distribution across sealed ball bearings. This compound is typically harder than standard 95A alternatives.
Q: How do sealed ball bearings improve the CR 77086-1-A performance?
A: Sealed ball bearings reduce contamination from dust, moisture, and warehouse debris. This design extends bearing service life and reduces rotational friction compared to open bearing designs. Sealed bearings require less frequent maintenance and provide more consistent wheel performance over time.
Q: What is the expected lifespan of a CR 77086-1-A wheel in heavy-duty use?
A: The compound 305 Durarun material and sealed bearing design deliver 3000 to 6000 operating hours in heavy-duty warehouse applications. Lifespan varies based on floor conditions, total load weight, and daily cycle rates. Inspect regularly for bearing play, flat spots, or loss of tread contact.