Winch Balance Valve 803000300 – OEM Hydraulic Counterbalance Valve for XCMG Truck Crane

H1: Product Overview

This Winch balance valve 803000300 is a dedicated hydraulic safety spare part designed exclusively for XCMG crane winch hydraulic systems, widely stocked for global crane maintenance dealers and machinery rental companies. As a standard OEM 803000300 balance valve, it stabilizes heavy load lifting and lowering, eliminates load slipping, shaking and sudden drop risks caused by pipeline pressure loss, which greatly improves construction operation safety.All production of this XCMG crane balance valve strictly follows original XCMG drawing standards. No modification on oil circuits or mounting brackets is required during replacement. Each finished valve undergoes strict pressure and leakage testing to match the hydraulic parameters of original equipment perfectly. For complete matching hydraulic assemblies, browse our XCMG crane hydraulic spare parts category for one-stop part procurement.

H2: Complete Technical Specification Parameters

H3: Basic Identification Parameters

• Full Model: Winch balance valve 803000300

• Common Name: Crane winch counterbalance valve, load holding hydraulic valve

• Matching Equipment: XCMG all series truck crane winch assembly

• Core Function: Bidirectional load locking, speed limiting, hydraulic shock absorption

H4: Hydraulic Performance Parameters

• Rated Working Pressure: 31.5 MPa

• Control Mode: Pilot operated balance control

• Allowable Operating Temperature: -20℃ ~ +80℃

• Static Leakage: Near-zero internal leakage under static load

• Valve Body Material: High-strength alloy cast steel

• Surface Treatment: Anti-corrosion black oxidation finish

H5: Packaging & Supply Parameters

• Export Package: Shockproof foam + solid export wooden case

• Supply Form: Factory wholesale, small batch retail available

• Stock Delivery Time: 3–7 working days for in-stock items If you need matched drive components, click to view details of crane winch hydraulic motor compatible with this balance valve.

H6: Core Product Advantages

1. Original matching design, direct replacement without extra fitting work;

2. Precision throttling structure stabilizes descending speed for heavy lifting operations;

3. Wear-resistant sealing kits extend service life and cut maintenance costs;

4. Anti-rust valve body adapts to mining, road construction and other harsh outdoor environments.

H7: Inquiry & Cooperation

We provide official parameter sheets, dimension drawings and bulk preferential prices for Winch balance valve 803000300. Send your crane model and quantity demand to us to get a customized quotation and fast global delivery solution XCMG Truck Crane spare parts.