ZF 5838.200.026 DISC BRAKE | OEM Genuine Part

Genuine ZF DISC BRAKE (Part No. 5838.200.026). Also referenced as: 5838200026 / 5838.200.026 / 5838 200 026.

Overview

The ZF 5838.200.026 DISC BRAKE is a critical friction component engineered for high-stress construction machinery drivelines. This OEM genuine part functions as the primary stopping mechanism within the axle assembly, converting kinetic energy into thermal energy through controlled friction. Positioned directly on the output shaft of the transmission, it interfaces with the 5838022003: REAR AXLE to ensure precise deceleration under heavy loads. The SKU 5838.200.026 is manufactured to ZF’s exacting tolerances, guaranteeing consistent clamping force and heat dissipation in demanding environments such as wheel loaders and graders.

Symptoms of Failure

  • Reduced braking force during heavy loads: Operators may notice increased stopping distances when the disc brake surface becomes glazed or worn beyond the service limit.
  • Intermittent transmission shudder: A pulsating sensation through the driveline often indicates uneven wear or thermal cracking on the 5838.200.026 disc brake.
  • Visible metallic debris in axle oil: Contamination from friction material breakdown signals imminent disc brake failure, requiring immediate replacement.
  • High-pitched squealing under partial engagement: This noise typically points to worn friction pads or a warped disc surface, compromising the 5838109001: DIFFERENTIAL performance.

Technical Specifications

Parameter Value
Outer Diameter 280 mm
Inner Diameter 160 mm
Thickness (New) 12.5 mm
Material High-carbon steel with ceramic friction lining
Weight 3.2 kg
OEM Reference ZF 5838.200.026
Operating Torque Range 1,200–1,800 Nm

Compatibility

This disc brake is designed for ZF’s heavy-duty transmission series, specifically the WG180, WG200, and WG250 models commonly deployed in construction machinery. It directly mounts within the axle housing and works in concert with the 5838300128: DIFFERENTIAL HOUSING to maintain driveline integrity. The 5838.200.026 also pairs with the 0750117075: TAPER ROLLER BEARING to ensure smooth rotational support during braking cycles. For optimal performance, always replace the disc brake alongside the associated stub axles and thrust washers listed below.

Related Components

Part Number Name Function
0631329086 SPRING PIN Secures brake caliper alignment
5838300129 THRUST WASHER Reduces axial play in axle assembly
5838300130 THRUST WASHER Secondary axial load distribution
5838300131 AXLE BEVEL GEAR Transfers torque to wheel hubs
5838300132 COMPENS. STUB AXLE Compensates for differential side clearance
5838300133 COMPENS. STUB AXLE Balances load across opposite wheel
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