0775992-08 Carbon Brush with 19-44.5-50 size reference supports stable current transfer for B2B excavator parts repair and wholesale sourcing.
The 0775992-08 Carbon Brush YNF17781 is a replaceable electrical contact component used in compatible rotating electrical equipment. During operation, the carbon surface remains in sliding contact with the corresponding rotating electrical component so current can be transferred between stationary and rotating sections.
This product carries a 19-44.5-50 size reference, which should be checked directly against the removed brush. Carbon brushes with similar appearances may differ in block dimensions, lead length, terminal configuration, spring structure, or contact-face profile.
For B2B buyers, the 0775992-08 carbon brush should be verified by part number, exact dimensions, carbon block shape, electrical lead position, terminal design, and existing-part photos before quantity purchasing. Since no specific machine model or electrical assembly has been supplied, physical comparison is especially important. Accurate matching helps wholesalers reduce incorrect inventory, customer returns, electrical repair delays, and unnecessary international freight.
| Parameter | Specification |
|---|---|
| YNF Part Number | YNF17781 |
| Part Number | 0775992-08 |
| Product Name | Carbon Brush |
| Alternative Name | Electrical Carbon Brush / Motor Brush / Conductive Brush |
| Product Type | Replaceable Electrical Contact Component |
| Parts Category | Construction Machinery Electrical Parts |
| Size Reference | 19-44.5-50 |
| Main Function | Electrical Current Transfer Through Sliding Contact |
| Application | Compatible Rotating Electrical Equipment |
| Installation | Brush Holder / Electrical Contact Position |
| Material | Carbon-Based Conductive Material |
| Machine Model | To Be Confirmed by Physical Fitment |
| Fitment Check | Part Number / Dimensions / Lead / Terminal / Shape / Existing Part Photo |
| Quality Type | Aftermarket Replacement |
| Condition | New |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping Method | Air, Sea, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application | Description |
|---|---|
| Rotating Electrical Equipment | Used where compatible sliding electrical contact is required |
| Motor Electrical Service | Suitable when the corresponding brush dimensions are matched |
| Current Transfer | Electrical contact is maintained through the carbon surface |
| Brush Wear Replacement | Used when the original contact block becomes excessively worn |
| Electrical Overhaul | Can be renewed during compatible motor or electrical-unit servicing |
| Preventive Maintenance | Brush condition can be inspected before severe wear develops |
| Repair Workshop | Suitable for professional machinery electrical servicing |
| B2B Parts Stocking | Practical for wholesalers, dealers, and maintenance suppliers |
Q: What is YNF17781?
A: It is a carbon brush with reference number 0775992-08.
Q: What is the supplied size reference?
A: The supplied reference is 19-44.5-50. Exact dimensions and units should be confirmed before ordering.
Q: Is a specific machine model provided?
A: No. Fitment should be confirmed by dimensions, brush shape, lead arrangement, terminal style, and photos.
YNF Machinery supplies 0775992-08 carbon brushes and related construction machinery electrical replacement parts for repair workshops, machinery dealers, wholesalers, and international importers.
The YNF17781 carbon brush carries a 19-44.5-50 size reference. Because carbon brushes are dimensional wear components, exact size, terminal style, and lead arrangement should be checked before bulk purchasing.
Professional B2B buyers can provide the 0775992-08 part number, required quantity, exact carbon block dimensions, lead length, terminal configuration, spring details, and clear photos of the removed brush and brush holder for fitment confirmation.
Brush holders, relays, solenoids, switches, starter electrical parts, wiring components, and controllers can also be included in the same inquiry, helping wholesalers consolidate electrical replacement stock into fewer international shipments.
