Product Description
Yale YL 520399806 brush set—OEM carbon graphite brushes for electric lift truck motor applications; includes verified manufacturer part numbers; supplied as set of two; designed for optimal current transfer in Yale DC traction motors.
Specifications
Part Numbers
| OEM Part Number | YL 520399806 |
| Manufacturer Part Number | YT520399806 |
Frequently Asked Questions
Q: What equipment does the YL 520399806 brush set fit?
A: The YL 520399806 is an OEM Yale brush set for 48V DC traction motors in Yale electric lift trucks. This part is verified against manufacturer specifications YT520399806. Confirm your lift truck voltage and motor model before ordering to ensure compatibility.
Q: How many brushes are in the YL 520399806 set and what are they made of?
A: The YL 520399806 is supplied as a set of two OEM carbon graphite brushes. The carbon graphite composition is optimized for optimal current transfer in Yale 48V DC traction motors, providing consistent commutator contact and low electrical resistance.
Q: What is the cross-reference manufacturer part number for the YL 520399806?
A: The Yale OEM part number YL 520399806 corresponds to the manufacturer part number YT520399806. Always use the exact part number when ordering to avoid compatibility issues with your equipment.
Q: How do I know when to replace the YL 520399806 brushes?
A: Replace the YL 520399806 brushes when you notice reduced motor acceleration, jerky motor response, electrical noise from the motor, or diminished overall lift truck performance. Worn brushes reduce current transfer and motor efficiency.
Q: What is the service life expectancy of the YL 520399806?
A: Under normal duty cycle use, the YL 520399806 brushes typically last 3 to 5 years. Lifespan depends on frequency of use, acceleration intensity, load cycles, and storage conditions. High-frequency operations in cold storage may shorten service life.
Q: Are equivalent brushes available from other manufacturers?
A: While equivalent 48V DC motor brushes may exist from Raymond, Crown, or Toyota, exact brush dimensions, grade, and pressure springs must match. Always verify specifications against the YL 520399806 before substituting any aftermarket brush set.