Product Description
Prime Mover PR 11857-02 washer designed for use in electric lift truck brake, motor, and interlock assemblies. OEM low-carbon steel flat washer compatible with BT Prime Mover OE-35. Install to 50 ft-lbs torque with plain finish. No supersession or cross-references identified in official Prime Mover parts lists.
Specifications
Dimensional Specifications
| Washer Type | Flat type; installation location-specific per Prime Mover OE-35 documentation |
| Application Orientation | Used in brake assemblies and motor mounting (Prime Mover OE-35 parts list) |
Material & Construction
| Material Specification | Equivalent to ASTM A36 (industry reference; manufacturer documentation not explicit) |
| Finish/Coating | Plain finish |
Part Numbers & Compatibility
| Manufacturer Part Number | PR 11857-02 |
| OEM Part Number | 11857-02 |
| Compatible With Models | BT Prime Mover OE-35 (referenced in official manufacturer parts list) |
Frequently Asked Questions
Q: What is the PR 11857-02 washer and what is it used for?
A: The PR 11857-02 is a low-carbon steel flat washer designed for use in Prime Mover electric lift truck brake, motor, and interlock assemblies. This washer provides spacing and load distribution in fastened connections.
Q: What are the specifications for the PR 11857-02 washer?
A: The PR 11857-02 is manufactured from low-carbon steel equivalent to ASTM A36 with a plain finish. It is compatible with BT Prime Mover OE-35 equipment and should be installed to 50 foot-pounds torque.
Q: Which equipment models use the PR 11857-02?
A: The PR 11857-02 is compatible with BT Prime Mover OE-35 electric lift trucks, as referenced in official manufacturer parts lists. Verify your equipment model and serial range before ordering.
Q: Does the PR 11857-02 have any cross-reference or alternate part numbers?
A: Based on official Prime Mover documentation, no supersession or cross-reference part numbers have been identified for the PR 11857-02. Order using the original manufacturer part number only.
Q: What is the torque specification for the PR 11857-02?
A: The PR 11857-02 should be installed to 50 foot-pounds torque. Always follow the brake, motor, or interlock assembly torque sequence specified in your equipment technical manual.