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TIANJIN LINKWORLD TRADING CO.LTD
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Genuine ZF 4WG94 Transmission for SDLG B877 Backhoe Loader
Material Number: 4661.004.051 | Application: SDLG Backhoe-Loader | Condition: New / Genuine
Maximize Your Machine’s Uptime.
You are viewing the official parts catalog for the ZF 4WG94 Transmission (configuration 4661.004.051), specifically engineered for the SDLG B877 Backhoe Loader. As an Authorized Service Dealer, Tianjin Xiaohang provides the complete range of genuine maintenance and repair parts directly from the ZF factory.
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✅ Exact Fit: Guaranteed compatibility for SDLG B877 (Yuchai Engine 75.8 KW).
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✅ Critical Spares In Stock: From the Relay 0501.327.299 to the Pressure Pump 0501.224.432.
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✅ Global Fast Track: Immediate dispatch via DHL/Air Freight to any job site worldwide.
[Get a Quote Now] [WhatsApp Our Engineers]
Data verified from ZF Parts List 4661.004.051.
🛠️ ZF 4WG94 Technical Specifications
| Feature | Specification |
| Transmission Type | ZF 4 WG 94 / 4 WD |
| Control System | ZF-Ergopower S (12 Volt) |
| Input Torque | 409 Nm |
| Engine Connection | SAE 3 (Direct Mounted) |
| Oil Capacity | Approx. 15 Litres (Grade: TE-ML 03) |
| Torque Converter | W 280 (Stall Torque Ratio: 2.53) |
| Weight (Vehicle) | 10,200 kg (Loaded) / 8,000 kg (Empty) |
Gear Ratios (Forward / Reverse):
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1st Gear: 4.932 / 3.900
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2nd Gear: 2.681 / 2.120
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3rd Gear: 1.295 / 1.313
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4th Gear: 0.704 / (N/A)
We stock the complete breakdown for Material No. 4661.004.051. Below are the high-mortality parts:
⚡ Electrical Control System
Failures here often cause “Limp Mode” or shifting errors.
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Relay (12V): 0501.327.299 – Essential for TCU power.
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Solenoid Valve (Proportional): 0501.320.205 (Qty 4 used).
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Solenoid Valve (On/Off): 0501.321.425 (Qty 2 used).
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Inductive Speed Sensor: 4475.280.011 (Screw Plug type M18x1.5).
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Range Selector (Shifter): 0501.216.064 (DW-3).
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Cable / Wiring Harness: 6029.205.669.
🛢️ Hydraulic & Maintenance
Keep your transmission clean and cool to avoid overheating.
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Transmission Oil Filter: 0750.131.056.
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Filter Head: 0501.338.332.
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Pressure Oil Pump: 0501.224.432 (Input Flow 113×142).
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Suction Tube: 4661.221.001.
⚙️ Driveline & Hard Parts
For complete overhauls or collision repair.
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Torque Converter Assembly: 4168.028.376.
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Input Shaft: 4661.202.004 (Tapered Roller Bearing: 4661.201.005).
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Output Flange: 4661.203.001.
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Converter Bell Housing: 4661.330.008.
(Need a specific friction disc or seal kit? Contact us with the Position Number from the manual.)
🏆 Your Authorized Source for SDLG Parts
This specific transmission (4661.004.051) is tailored for SDLG (Shandong Lingong). Sourcing parts from general traders carries the risk of incompatibility.
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Guaranteed Fitment: We verify parts against the specific List Number 4661.004.051 to ensure gear ratios and electrical voltages match your B877 loader.
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Technical Support: Facing Error Codes? Our engineers have the original Hydraulic Circuit Diagram (4661.700.010) and Connection Diagram (6006 700 596) to assist you remotely.
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One-Stop Shop: From the Housing (4661.301.086) to the smallest O-ring (0634.303.026), we supply it all.
5. (FAQ)
Q: Where can I find the Relay 0501 327 299 on the transmission?
A: According to the documentation, this relay is part of the separate accessories order (Pos 20 in Assembly Group 4661.185.034). It is crucial for the electrical system. We have it in stock.
Q: What is the oil change interval for this transmission?
A: This transmission uses a standard filter 0750.131.056. We recommend checking the filter restriction indicator regularly and using only TE-ML 03 grade oil.
Q: Can you ship the complete 4WG94 transmission assembly?
A: Yes. The approximate weight is listed for the vehicle, but the transmission itself is crated and ready for air or sea freight from our Tianjin warehouse.
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