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Carbon Brush Holders

Railway Carbon Brush Holder

Railway carbon brush holder for traction motors — brass/bronze insulated holders (single/double/triple, leg, flange, rocker, tubular) holding brushes on the commutator under spring pressure. Fits EMD D29/D31, GE-752, ZD/ZQ & HXD-class traction motors; verify per motor.

Application	Carbon brush holder for railway traction motors — holds the carbon brush against the commutator under spring pressure, keeping a stable, consistent electrical connection between moving and stationary parts in demanding traction environments; also used

Compatible Models

EMD **D29 / D31** traction motors (brush holder 8290124 replacement assembly 8453470) — verify GE **GE-752** traction motors (locomotive class) — verify CRRC **ZD109B / ZD106E**-class DC traction motors (DF4D/DF10 locos) — verify **HXD1 / HXD2C** electric-locomotive traction systems — verify **ZQ-series** DC traction motors (mine / trolley locomotives) — verify **Always verify**: brush-box size mounting and motor modelMade-in-China.comm.yjtydj.com中国中车

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Technical Specifications

Railway Carbon Brush Holder (Traction Motor)
Specification	Value
Product Type	Carbon brush holder (traction)
Material	Brass / bronze / copper, insulated
Configurations	Single/double/triple; single/double leg; flange; rocker; tubular cap; telescopic
Application	Railway traction & auxiliary motors
Fits	EMD D29/D31; GE-752; ZD109B/ZD106E; HXD1/HXD2C; ZQ-series — verify
Brush Box Size	Per holder — blocked
Spring	Constant-pressure / special per type — pending

* Listing based on Mersen, Casram and channel data. Fitment to be confirmed per motor.

Compatible Models

This Railway Carbon Brush Holder is designed as a direct replacement for the following machine models and series:

Not sure if it fits your machine? Send us your equipment model, motor type or original part number — our engineers will confirm compatibility and advise the correct grade. Ask an engineer →

Description

Overview

Railway carbon brush holder — the traction-motor component that securely holds the carbon brush against the commutator under spring pressure, ensuring a stable electrical connection between moving and stationary parts in demanding rail environments. Widely used in locomotive traction motors, auxiliary motors and rail vehicle drives.Mersen美尔森Mersen

Configurations

Single / double / triple brush-holders
Single / double leg types
Flange type & brush rockers
Tubular type with caps or special springs; telescopic

Applications

Mainline electric & diesel-electric traction motors (EMD D29/D31, GE-752, ZD/ZQ series)
Metro / light-rail traction
Mine & trolley locomotives
Rail auxiliary motors