描述

ZF 4WG200 Transmission Assembly for XCMG ZL50G (Engine C6121) | 4644.024.173

ZF 4WG200 Transmission Assembly for XCMG ZL50G (Engine C6121) | 4644.024.173

ZF 4WG200 Transmission Assembly for XCMG ZL50G (Engine C6121) | 4644.024.173

ZF 4WG200 Transmission Assembly for XCMG ZL50G (Engine C6121) | 4644.024.173

CONTROL VALVE 4644159347

Material Number: 4644.024.173 | Application: XCMG ZL50G / ZL50GN | Condition: New / Genuine

Original Drivetrain Solutions for XCMG Loaders.

You are viewing the official parts catalog for the ZF 4WG200 Transmission (Material Number: 4644.024.173), the heavy-duty powershift unit factory-installed in the XCMG ZL50G Wheel Loader.

This specific transmission configuration is engineered to match the torque curve of the Shanghai C6121 (Caterpillar 3306 licensed) engine. Using generic or incorrect parts can lead to power loss, overheating, and premature failure. We supply only 100% genuine ZF parts directly from the factory.

• Condition: New / Genuine OEM

• Availability: In Stock (Tianjin Warehouse)

• Shipping: DHL / FedEx / Air Freight / Sea Freight

ZF 4WG200 Technical Specifications

Verify your transmission nameplate against the data below to ensure you are ordering the correct parts. The 4644.024.173 is a specialized configuration for the Chinese market.

• Model Type: ZF 4 WG 200 (555/5)

• Engine Match: Shanghai C6121 ZG 09 (160 KW)

• Control System: EST-17T (24 Volt) / DW-3 Shifter

• Input Torque: 860 Nm @ 1200 RPM

• Torque Converter: W 340 (Stall Ratio: 2.55)

• Oil Capacity: Approx. 28 Liters

Gear Ratios (4 Forward / 3 Reverse):

• 1st Gear: 4.278

• 2nd Gear: 2.368

• 3rd Gear: 1.126

• 4th Gear: 0.648

Critical Spare Parts Catalog

We stock the high-mortality parts you need to keep your XCMG fleet running.

1. Electrical Control & Sensors (24V)

• Inductive Speed Sensor: 0501.209.719 (Qty 3: Turbine, Intermediate, Output).

• Range Selector (Shift Lever): 0501.216.205 (DW-3 Type).

• Wiring Harness: 4644.206.035.

2. Hydraulic Pumps

• Transmission Oil Pump: 0501.214.895 (Gear Pump). Includes shaft seal 0634.311.837.

• Emergency Steering Pump: 4644.137.022.

3. Driveline Components

• Torque Converter: 0501.009.454 (Type W340).

• Output Flange: 4644.303.547 (Z=42 Teeth).

• Input Shaft: 4644.302.188.

Maintenance & Filters

Proper filtration is the key to longevity. The ZF 4WG200 uses a spin-on filter for easy maintenance.

• Replacement Filter: 0750.131.053 (Change every 500 hours).

• Oil Grade: Use only ZF TE-ML 03 approved transmission fluid.

• Level Check: Use Dipstick 4644.231.086. Check with engine idling in neutral at operating temperature.

Common Faults & Troubleshooting

Is your XCMG ZL50G stuck in neutral or refusing to shift? The issue is often electrical.

The Valve Block (4644.306.558) contains 5 identical Solenoid Valves.

• Solenoid Valve (Proportional): 0501.313.375 (Qty 5).

  • Tech Tip: If you have a shifting error, try swapping solenoids to see if the fault moves.

• Pressure Regulator: 0501.211.384 (Main system pressure valve).

Why Choose Tianjin Xiaohang?

We are located in China, the home of XCMG. We source directly from the ZF factory that supplies the XCMG assembly line.

1. Price Advantage: No middlemen. You get the best price on genuine ZF parts for Chinese machinery.

2. Technical Verification: We verify every part against the 4644.024.173 BOM to ensure it fits your specific ZL50G serial number.

3. Fast Export: We handle all customs and shipping documents to get parts to your site faster than local dealers.

Ready to order? Don’t risk downtime with fake parts. Contact us today for a competitive quote.