Introduction: The Precision of Hydraulic Control
The ZF 4BP230 transmission achieves its smooth shifting by using 6 proportional solenoid valves (Y1-Y6)42. These valves, located in the HCU (Hydraulic Control Unit), precisely control the 16+2 bar system pressure to engage the 6 clutch packs. Failure of a single solenoid leads to harsh shifting or complete gear loss.
As a 20-year technical expert in ZF transmission repair, Tianjin XiaoHang Construction Machinery Co., Ltd. provides this guide for diagnosing and sourcing these critical electronic parts.
Section 1: Technical Specifications and Diagnosis
Key Data for Technicians
Our 20 years of repair data confirm these key specifications for the 4BP230 solenoids:
- Type: Proportional Solenoid Valve
- Operating Voltage: 24 V
- Resistance (at 20°C): 19 $\Omega$ (Ohms)
- Operating Current: 100 – 500 mA
A technician can diagnose a faulty solenoid by checking its resistance. If the value is far from 19 $\Omega$, the solenoid is damaged and must be replaced47.
Section 2: Sourcing Verified Solenoid Valves
The XiaoHang Quality Guarantee
The 4BP230 HCU (part of assembly [4660.159.024]) requires high-quality replacement solenoids. XiaoHang Machinery Co., Ltd. supplies verified proportional solenoid valves that meet the exact 19 $\Omega$resistance and current specifications.
- Fast Lead Times: We maintain a strong inventory of these high-demand electronic components.
- Cost Efficiency: Our China-based supply chain ensures competitive pricing for these high-tech valves.
Conclusion: Restore Your Shifting Quality
Don’t let a faulty solenoid stop your machine. Trust Tianjin XiaoHang Construction Machinery Co., Ltd. for verified 4BP230 proportional solenoids and the technical data to support your diagnosis.
Contact our International Sales Team today for immediate quotes and technical support.
| Contact Detail | Information |
| Sales Representative | Tony Chang |
| Trading Entity | TIANJIN LINKWORLD TRADING CO. LTD |
| Direct Contact (Phone/WhatsApp) | +86 15822863467 |
| 5858518@gmail.com | |
| Expertise Provided by | Tianjin XiaoHang Construction Machinery Co., Ltd. |
ZF 4BP230 Speed Sensor Failure: A Sourcing Guide for Engine, Turbine, and Output Sensors
Introduction: The Electronic Feedback Loop
The ZF 4BP230 transmission relies on a set of speed sensors to provide crucial data to the TCU (Electronic Control Unit) for smooth shifting and fault detection34. Failure of these sensors is a common fault point that can halt a machine.
This guide from Tianjin XiaoHang Construction Machinery Co., Ltd. helps you accurately source the correct replacement speed sensors for your 4BP230.
Section 1: The Four Critical Speed Sensors
Identifying the Correct Sensor
The 4BP230 system uses four key sensors to monitor speeds:
- Engine Speed Sensor (B1)
- Turbine Rotary Sensor (B2)
- Middle Gear Speed Sensor (B3)
- Output Speed Sensor (B4)
These are often inductive sensors, and for specific BOMs like 4681.084.018, the part number is [0501.328.675].
Section 2: Technical Specifications and Testing
Expert Verification
Our 20 years of technical expertise confirms that these magnetic-electric (inductive) sensors should have a resistance at 20°C of approximately 1050 $\Omega$ (Ohms) $\pm$10%41. When troubleshooting, a technician can test the sensor’s resistance to confirm failure before ordering.
Section 3: Sourcing Verified Electronic Components
The XiaoHang Advantage
XiaoHang Machinery Co., Ltd. understands the critical nature of electronic sensors. We supply high-quality, verified replacement sensors (like [0501.328.675]) that meet exact ZF specifications.
- Fast Lead Times: Our strong inventory in China ensures fast lead times for these critical electronic parts.
- Technical Support: Our 20-year experienced team can provide the technical data (like resistance values) to help your technicians diagnose the fault correctly before you place an order.
Conclusion: Restore Your Electronic Feedback
Trust Tianjin XiaoHang Construction Machinery Co., Ltd. for verified ZF 4BP230 speed sensors and the expert support to back them up.
Contact our International Sales Team today for technical data and rapid sourcing.
| Contact Detail | Information |
| Sales Representative | Tony Chang |
| Trading Entity | TIANJIN LINKWORLD TRADING CO. LTD |
| Direct Contact (Phone/WhatsApp) | +86 15822863467 |
| 5858518@gmail.com | |
| Expertise Provided by | Tianjin XiaoHang Construction Machinery Co., Ltd. |
4BP230 Hydraulic Pressure Troubleshooting: The 16+2 bar System and Key Valve Components
Introduction: The Lifeblood of the Transmission
The ZF 4BP230 transmission is entirely dependent on correct hydraulic pressure for all functions. A loss of pressure means a loss of drive. The ZF training data specifies the system main pressure is 16+2 bar. Understanding this system is key to diagnosis.
As a 20-year technical service expert, Tianjin XiaoHang Construction Machinery Co., Ltd. provides this guide to help technicians and distributors troubleshoot pressure issues.
Section 1: The 16+2 Bar Main Pressure Circuit
Where to Check
The 16+2 bar system pressure is generated by the oil pump and regulated by the main pressure valve. This pressure feeds all 6 proportional solenoid valves (Y1-Y6) which, in turn, control the flow to the six clutch packs (KV, KR, K1, K2, K3, K4).
- Diagnostic Test Point: Use Test Point [K] (M10x1) on the control valve body to measure the system main pressure. If this pressure is low, all clutch engagement will be weak, leading to slippage.
Section 2: Other Key Pressure Valves
Converter and Safety Circuits
Procurement managers should also be aware of other critical valves:
- Converter Safety Valve: Regulated at 11 bar.
- Reducer Valve: Regulated at 9 bar.
- Torque Converter Outlet Pressure: Approximately 4.3 bar.
Failure of any of these valves can cause overheating or component starvation.
Section 3: Sourcing Valves and Sensors with Confidence
The XiaoHang Technical Guarantee
Tianjin XiaoHang Construction Machinery Co., Ltd. doesn’t just sell parts; we understand the hydraulic schematic. Our 20 years of experience ensures we can supply the correct, tested pressure regulator valves, solenoids, and sensors for your 4BP230. We provide fast lead times and technical support to resolve your pressure issues quickly.
Conclusion: Trust the Pressure Experts
Don’t guess on hydraulic faults. Contact XiaoHang Machinery Co. for the technical expertise and rapid parts supply needed to restore your 4BP230’s hydraulic integrity.
| Contact Detail | Information |
| Sales Representative | Tony Chang |
| Trading Entity | TIANJIN LINKWORLD TRADING CO. LTD |
| Direct Contact (Phone/WhatsApp) | +86 15822863467 |
| 5858518@gmail.com | |
| Expertise Provided by | Tianjin XiaoHang Construction Machinery Co., Ltd. |
Servicing CASE Construction Equipment: Sourcing ZF Transmission Spares for Loaders
Introduction: The CASE and ZF Partnership
Many CASE Construction wheel loaders are trusted globally for their performance, which often relies on the durability of an integrated ZF transmission. For distributors and service technicians, identifying the correct ZF model within a CASE machine is the first step to successful parts procurement.
This guide from Tianjin XiaoHang Construction Machinery Co., Ltd. helps you identify and source the correct ZF spares for your CASE equipment, leveraging our 20 years of industry experience.
Section 1: Identifying the ZF Model in Your CASE Loader
Look for the Nameplate
While CASE has its own part numbering system, the transmission itself will have a ZF nameplate (data plate). This plate contains the two most important pieces of information for sourcing:
- Type (Model): e.g., 4BP230, 4WG210, etc.
- Parts List No. (BOM): e.g., 4681.084.018.
You must use these ZF numbers, not the CASE part number, to guarantee accurate aftermarket sourcing.
Section 2: Common Spares for ZF-Equipped CASE Machines
High-Wear Items for Loader Applications
Based on our 20 years of repair data, loaders (like the CASE model shown in ZF training) put heavy stress on:
- Torque Converters: Sourcing the correct unit (e.g., [0501.009.431] for a 4BP230) is vital.
- Clutch Packs (K1-K4, KV, KR): Constant forward-reverse shifting causes wear.
- Sensors and Solenoids: Electronic controls are critical for smooth operation.
Section 3: The XiaoHang Advantage for OEM Brands
China Supply Chain Speed for Global Brands
XiaoHang Machinery Co. is a premier supplier based in China, offering a significant advantage for sourcing ZF parts used in major OEMs like CASE. We provide:
- Technical Expertise: We verify your ZF BOM number to ensure the parts match your CASE application.
- Fast Lead Times & Competitive Price: Our efficient Chinese manufacturing infrastructure and strong inventory mean you get your parts faster and at a better price.
Conclusion: Your Expert Partner for CASE/ZF Spares
Trust Tianjin XiaoHang Construction Machinery Co., Ltd. to be your technical partner for sourcing ZF transmission parts for CASE machinery.
Contact our International Sales Team today for technical support and fast, competitive quotes.
| Contact Detail | Information |
| Sales Representative | Tony Chang |
| Trading Entity | TIANJIN LINKWORLD TRADING CO. LTD |
| Direct Contact (Phone/WhatsApp) | +86 15822863467 |
| 5858518@gmail.com | |
| Expertise Provided by | Tianjin XiaoHang Construction Machinery Co., Ltd. |
Complete Sourcing Guide for ZF 4BP230 (BOM 4681.084.018) Clutch Repair Kits
Introduction: Sourcing by Bill of Material (BOM)
Procuring parts for a ZF 4BP230 transmission requires the exact Bill of Material (BOM) number, also known as the “Parts List No.” on the nameplate. For BOM 4681.084.018, ZF provides specific repair kits for each clutch assembly.
This guide from Tianjin XiaoHang Construction Machinery Co., Ltd. details the official repair kit part numbers for this specific 4BP230 BOM, ensuring you order the correct overhaul components.
Section 1: Identifying the Correct Clutch Repair Kit Part Numbers
A Checklist for Procurement Managers
The 4BP230 (4-speed) transmission utilizes 6 clutches (KV, KR, K1, K2, K3, K4) to achieve its gears. When overhauling BOM 4681.084.018, you must order the specific kits:
Clutch K1: Order Repair Kit [4681.298.014] or [4681.298.018].
Clutch K2: Order Repair Kit [4681.298.015] or [4681.298.019].
Clutch K3: Order Repair Kit [4681.298.015] or [4681.298.019].
Clutch K4: Order Repair Kit [4681.298.016] or [4681.298.020].
Clutch KV (Forward): Order Repair Kit [4681.298.017] or [4681.298.021].
Clutch KR (Reverse): Order Repair Kit [4681.298.017] or [4681.298.021].
Section 2: The XiaoHang Advantage: Complete and Verified Kits
More Than Just a Part Number
XiaoHang Machinery Co., Ltd. does more than just match numbers. With our 20 years of repair expertise, we ensure that the kits we supply are complete, high-quality, and match your BOM. We provide high-spec friction discs and seals that meet or exceed the performance required for the 16+2 bar system pressure.
Section 3: Rapid Sourcing for Full Overhauls
Get All Kits from One Source
Our strong inventory in China allows you to source all necessary repair kits—from K1 to KR—from a single, reliable partner. This simplifies your procurement, guarantees compatibility, and offers fast lead times at a competitive price point.
Conclusion: Source by BOM, Trust by Expertise
Stop searching for individual components. Order the complete, correct repair kits for your 4BP230 BOM [4681.084.018] from Tianjin XiaoHang Construction Machinery Co., Ltd.
Contact our International Sales Team today to confirm your BOM and receive an immediate quote.
| Contact Detail | Information |
| Sales Representative | Tony Chang |
| Trading Entity | TIANJIN LINKWORLD TRADING CO. LTD |
| Direct Contact (Phone/WhatsApp) | +86 15822863467 |
| 5858518@gmail.com | |
| Expertise Provided by | Tianjin XiaoHang Construction Machinery Co., Ltd. |
Expert Sourcing Guide: Key Part Differences Between ZF BP Passau (Germany) and BP LZZF (Liuzhou) Transmissions
Introduction: Not All BP Models Are Created Equal
A critical mistake in the global parts market is assuming all ZF Basicpower (BP) transmissions are identical. There are significant internal differences between the BP Passau (Germany) models and the BP LZZF (Liuzhou ZF, China) variants. Sourcing the wrong version’s components can halt a repair.
As a primary supplier with 20 years of expertise in both imported and China-market transmissions, Tianjin XiaoHang Construction Machinery Co., Ltd. provides this essential guide for distributors.
Section 1: The Most Critical Difference: Electronics (TCU)
EST37A vs. EC4a
This is the most important distinction for procurement:
BP Passau (Germany) Models: Often utilize the EST37A electronic control unit (TCU).
BP LZZF (Liuzhou) Models: Are typically equipped with the EC4a TCU, which features the TCU integrated directly into the hydraulic control unit (HCU) cover.
These systems are electronically incompatible. Ordering the wrong TCU or control valve assembly will not work.
Section 2: Internal Mechanical Variations
Clutches and Bearings
Our 20 years of repair data confirm that internal dimensions also vary:
Clutch Packs: The friction disc diameters are different. For example, the LZZF version may use smaller diameter discs (e.g., D128.0mm) for some clutch packs (CB, CC, CG), whereas the Passau version uses larger diameters (e.g., D148.8mm or D166.5mm) .
Bearings: Key tapered roller bearing sizes differ. For example, the LZZF (BP LZZF) version may use a (60x95x27) bearing for the CC_B shaft, while the Passau version uses a different size.
Section 3: XiaoHang Machinery Co. – Your Expert Sourcing Partner
We Know the Difference
Tianjin XiaoHang Construction Machinery Co., Ltd. is one of China’s most established ZF transmission specialists. We are not just a seller; we are a technical service provider. We understand the specific differences between the Passau and LZZF variants. When you provide us with your transmission’s BOM number, we guarantee you receive the correct, compatible part for that specific build.
Conclusion: Stop Guessing. Start Verifying.
Avoid costly sourcing errors. Trust XiaoHang Machinery Co.’s 20 years of expertise to navigate the complexities of BP Passau and BP LZZF components.
Contact our International Sales Team today for expert verification and competitive quotes.
| Contact Detail | Information |
| Sales Representative | Tony Chang |
| Trading Entity | TIANJIN LINKWORLD TRADING CO. LTD |
| Direct Contact (Phone/WhatsApp) | +86 15822863467 |
| 5858518@gmail.com | |
| Expertise Provided by | Tianjin XiaoHang Construction Machinery Co., Ltd. |
A Distributor’s Sourcing Guide: Key Technical Differences Between ZF 4BP230 (Basicpower) and 4WG210 (Ergopower)
Introduction: Avoiding the “Look-Alike” Procurement Error
For international procurement managers, the ZF 4BP230 (Basicpower) and the older 4WG210 (Ergopower) series transmissions appear similar, but they are not interchangeable. Sourcing the wrong components based on visual similarity is a costly mistake.
As a 20-year technical partner in off-highway transmissions, Tianjin XiaoHang Construction Machinery Co., Ltd. provides this expert guide to highlight the critical internal differences that impact your spare parts sourcing.
Section 1: The Core Design Philosophy
Basicpower vs. Ergopower
You must understand that the 4BP230 is the “Basicpower” series. It was developed based on the mechanical structure of the Ergopower 4WG210 but was optimized for cost and specific applications, such as loaders and graders. This optimization means key internal components are different.
Section 2: Critical Technical Differences You Must Know
Gearing, Electronics, and Hydraulics
When sourcing, be aware of these key variations:
- Electronics (TCU): This is the most significant difference. The Ergopower 4WG210 often uses the EST 37A control system. The 4BP230 (especially those in the Chinese market like Liuzhou LZZF variants) utilizes the EC4a TCU. These TCUs are not cross-compatible.
- Hydraulic Control: The Ergopower series was known for full proportional valve functionality. The Basicpower 4BP230, while still using proportional solenoids, has “limited functions” and a different hydraulic control unit (HCU97 vs HSG94) designed for optimal cost-performance.
- Braking and Gearing: The older WG200 used straight-cut gears, while both the 4WG210 and 4BP230 use helical gears for quieter operation. However, the parking brake options differ; Basicpower commonly uses a drum brake or disc brake, whereas Ergopower standardized on disc brakes.
Section 3: The Procurement Impact (Why This Matters)
Do Not Mix Sourcing Lists
You cannot order a 4WG210 clutch kit and expect it to work in a 4BP230, or vice versa. The friction disc diameters and bearing sizes may differ between the Passau (Germany) and LZZF (Liuzhou) Basicpower versions.
Conclusion: Trust XiaoHang Machinery Co. to Verify Your BOM
Do not risk sourcing the wrong part. The only way to guarantee accuracy is by verifying the complete Bill of Material (BOM) number. Tianjin XiaoHang Construction Machinery Co., Ltd. leverages its 20 years of technical expertise to ensure the parts you order match the exact BOM of your machine.
Contact our International Sales Team today for precise technical verification and rapid sourcing.
| Contact Detail | Information |
| Sales Representative | Tony Chang |
| Trading Entity | TIANJIN LINKWORLD TRADING CO. LTD |
| Direct Contact (Phone/WhatsApp) | +86 15822863467 |
| 5858518@gmail.com | |
| Expertise Provided by | Tianjin XiaoHang Construction Machinery Co., Ltd. |
ZF Torque Converter (0501.009.431) for 4 BP 230: Sourcing Specifications and Replacement Units
Introduction: The ZF 4 BP 230 Torque Converter
The torque converter is the key component in the power flow of the 4 BP 230 transmission. A precise replacement is critical to maintaining the correct stall speed and transfer ratio. The required CONVERTER for the assembly group 4681.034.004 is 0501.009 .431.
This guide from Tianjin XiaoHang Construction Machinery Co., Ltd. focuses on the procurement of this essential ZF Torque Converter (0501.009.431) and the technical details required for accurate sourcing.
Section 1: Key Specifications of the 4 BP 230 Converter
Matching W340 Specifications
The torque converter for the 4 BP 230 is specified as 0501.009 .431, with technical info W340X2.36X190Nm. This indicates a specific stall ratio and torque capacity that must be precisely matched in any replacement unit. Using an incorrect converter will destroy the clutch packs (K1, K2, K3, K4, KV, KR) due to incorrect pressure and thermal loading.
Section 2: Sourcing Verified Converter Units
The XiaoHang Technical Guarantee
Procurement of a complete converter unit (Material-assembly-group-no: 4681.034.004) requires verification of internal tolerances. Our 20 years of expertise ensures the replacement converters we supply adhere strictly to the W340 performance specifications.
Section 3: Supply Chain Speed for High-Value Components
Minimize Downtime with Fast Lead Times
Torque converter failure leads to severe machine downtime. XiaoHang Machinery Co. maintains a robust inventory of high-value components, offering fast lead times and competitive pricing, allowing you to rapidly get your customer’s machine back online.
Conclusion: Secure Your Power Transfer with Confidence
For verified ZF 4 BP 230 torque converters (Part No. 0501.009.431), trust the technical precision and reliable supply from Tianjin XiaoHang Construction Machinery Co., Ltd.
| Contact Detail | Information |
| Sales Representative | Tony Chang |
| Trading Entity | TIANJIN LINKWORLD TRADING CO. LTD |
| Direct Contact (Phone/WhatsApp) | +86 15822863467 |
| 5858518@gmail.com | |
| Expertise Provided by | Tianjin XiaoHang Construction Machinery Co., Ltd. |
Introduction: The Critical Engine-Transmission Interface
The Converter Bell (4681.330.001) 2is the foundational connection between the engine and the ZF 4 BP 230 transmission33. Any error in this assembly affects alignment and transmission reliability. For global procurement, securing high-quality bell housing parts, hexagon screws, and crucial sealing components is paramount.
This guide, backed by Tianjin XiaoHang Construction Machinery Co., Ltd.’s 20 years of repair expertise, provides a detailed look at the engine connection assembly, ensuring accurate procurement of high-stress components.
Section 1: Essential Parts for the Engine Connection Assembly
Precision in Mounting Components
When servicing the engine connection of the 4 BP 23044, procurement must focus on precision and load integrity. Key components include: 1. CONVERTER BELL (4681.330.001): The main housing component5. 2. HEXAGON SCREW (0636.100.713): Used for mounting, quantity 186. 3. O-RING (0634.306.287): A critical seal, size $70X3$7. 4. INTERMEDIATE RING (4681.330.011): Ensures proper spacing8.
Section 2: The XiaoHang Technical Assurance for Housings
Verifying Fitment and Preventing Leaks
Ensuring the fitment of the CONVERTER BELL and associated seals is vital for maintaining the internal hydraulic integrity of the ZF 4 BP 2309999. XiaoHang Machinery Co.’s 20 years of experience guarantees that our components meet the precise dimensional tolerances required for perfect alignment and leak prevention.
Section 3: Procuring with Speed and Certainty
Leveraging China’s Supply Chain for ZF Spares
We understand that machine downtime is costly. Leveraging our China supply chain, XiaoHang Machinery Co. provides fast lead times and competitive pricing on all high-value housing and mounting parts. Our dedicated sales representative, Tony Chang, is ready to process your part number requests instantly.
Conclusion: Secure Your Foundation with XiaoHang
For verified ZF 4 BP 230 engine connection components, trust the technical expertise and logistics speed of Tianjin XiaoHang Construction Machinery Co., Ltd.
| Contact Detail | Information |
| Sales Representative | Tony Chang |
| Trading Entity | TIANJIN LINKWORLD TRADING CO. LTD |
| Direct Contact (Phone/WhatsApp) | +86 15822863467 |
| 5858518@gmail.com | |
| Expertise Provided by | Tianjin XiaoHang Construction Machinery Co., Ltd. |
Beyond the Part Number: The Distributor’s Guide to Using ZF Technical Documentation and Parts Catalogs
Introduction: The Knowledge Advantage
Effective ZF parts procurement relies not only on the physical part but on mastering the technical documentation: the Illustrated Parts Catalogs (IPC) and service bulletins. This knowledge ensures accurate cross-referencing and provides vital installation context.
This guide from XiaoHang Machinery Co. helps distributors understand how to leverage technical documentation to minimize sourcing errors.
Section 1: Mastering the IPC and BOM
The IPC is Your Map
The Illustrated Parts Catalog (IPC) shows exploded views and part breakdowns. Understanding the IPC alongside the BOM number is the only way to confirm if a specific component has been superseded or revised.
Section 2: XiaoHang’s Technical Support Philosophy
Expertise as a Value-Add
Our 20 years of experience means we use this documentation daily. We provide technical support that helps your team interpret complex diagrams, preventing installation errors and guaranteeing part compatibility.
Conclusion: Procure with Knowledge
Elevate your service with knowledge. Partner with XiaoHang Machinery Co., where every part is supplied with the backing of our technical documentation expertise.
| Contact Detail | Information |
| Sales Representative | Tony Chang |
| Trading Entity | TIANJIN LINKWORLD TRADING CO. LTD |
| Direct Contact (Phone/WhatsApp) | +86 15822863467 |
| Expertise Provided by | Tianjin XiaoHang Construction Machinery Co., Ltd. |