



| PART NUMBER | 803074513 |
| PART MODEL | DYF-H20L-TD(II) |
| PART CATALOG | XCMG Hydraulic Spare Parts |
| APPLICABLE TO | XCMG cranes |
| PART NUMBER | 803074513 |
| PART MODEL | DYF-H20L-TD(II) |
| PART CATALOG | XCMG Hydraulic Spare Parts |
| APPLICABLE TO | XCMG cranes |
| MOQ | 1 PCS |
| STOCK STATUS | In Stock |
| GENUINE OR OEM | XCMG genuine parts, OEM parts |
| SHIPPING METHOD | Fedex DHL UPS , SEA, AIR.... |
| PAYMENT METHOD | WESTER UNION, T/T, Alipay, WeChat, WISE, WorldFirst |
🔵 Original XCMG OEM hydraulic technology designed specifically for the heavy-duty duty cycles of mobile cranes.
🔵 Features integrated balancing logic (DYF-H20L series) to prevent boom drifting and ensure load-holding safety.
🔵 Precision-machined internal spools provide exceptional metering for smooth boom extension even under full load.
🔵 Manufactured with high-strength forged steel bodies to resist hydraulic shock and fatigue in mining and port sites.
🔵 Fully compliant with XCMG’s internal safety standards for Load Moment Indicator (LMI) system synchronization.
🟠 Part Name: XCMG Telescopic Control Valve / Balance Valve
🟠 Part Number: 803074513
🟠 Technical Reference: 183701129 / DYF-H20L-TD(II)
🟠 Valve Function: Boom Extension Regulation & Hydraulic Locking
🟠 Component Type: High-Pressure Manifold Control Valve
🟠 Compatible Crane Models: XCMG XCR55, XCR70, QY25K, QY50K, QY70K, XCT25L5 Series
🟠 Primary Installation Site: Main Boom Telescopic Cylinder / Extension Circuit Block
🔵 100% Authentic XCMG factory components ensure original machinery timing and safety rating maintenance.
🔵 Direct supply chain for 803074513 avoids the risk of imprecise boom movements caused by non-genuine valves.
🔵 Professional technical consultancy: we verify valve technical revisions against your crane’s serial number.
🔵 Global wholesale pricing provided for specialized crane rental fleets and hydraulic repair workshops.
🔵 Heavy-duty shock-proof export packaging ensures the precision valve assembly remains factory-calibrated during transit.
⭐ Step 1: Confirm your original part number matches 803074513 or provide your crane’s Serial Number.
⭐ Step 2: Click the “Ask For Quote” button on this page to submit your required quantity and destination.
⭐ Step 3: Our XCMG crane parts specialist will send a formal proforma invoice with shipping costs within 2 hours.
⭐ Step 4: Finalize payment via secure channels (T/T, Credit Card, or Western Union).
⭐ Step 5: Receive your tracking number immediately after the package leaves our central warehouse.
“Ask For Quote” at the bottom right corner of the webpage to start WhatsApp.
📧 E-mail: info@kmnparts.com
📞 Mobile Call: +86 1347 5858 598 (WhatsApp/WeChat)
🏬 Central Headquarter: No 51, Taiping Road, Qingdao City, CHINA
🔶 Branch Office (XCMG WIKA): Xuhai Road, Jiawang District, Xuzhou City, CHINA
🔶 Branch Office (ZOOMLION SANY): Kaiyuan Road, Changsha City, CHINA
🔶 Branch Office (SEM WEICHAI SHANTUI): Caterpillar Industrial Park, Qingzhou, CHINA
1 803103345 接头体 Fitting 4
2 805100038 螺钉 M10×30 Bolt M10×30
3 805300014 垫圈 10 Washer 10
4 803107821 螺塞 Spiral shell stopper M8×1
5 805300067 垫圈 8 Washer 8 1
6 805100100 螺钉 M10×35 Bolt M10×35
7 110500749 过渡块 Transition Block 1
8 803100665 管接头 E10 Fitting Body E10 1
9 805300024 垫 圈 14 Washer 14 2
10 803000088 回转缓冲阀 The turning buffers 1
11 110500750 接头 Fitting 1
12 803107816 螺塞 Spiral shell stopper M10×1
13 803101258 螺塞 Spiral shell stop M12×1.5
14 805300025 垫 圈 12 Washer 12
1 12102394 液控罩 Hydraulic control’s cover
2 12102395 O 形圈 13×1.9 O-ring 13×1.9 2
3 12102396 弹簧 Spring 2
4 12102397 钢球 φ12.3 Steel Boll φ12.3 2
5 12102398 挡板 Baffle 1
6 12102400 O 形圈 35×3.1 O-ring 35×3.1 1
7 12102401 阀体 Vavle Body 1
8 12102402 O 形圈 25×2.4 O-ring 25×2.4 6
9 12102403 主溢流阀组件 Main Relief Vavle 1
10 12102404 可调单向阀组 Adjusting Check Vavle 1
11 12102405 垫圈 14 Washer 14 2
12 12102406 节流接头 Throttle Fitting 2
13 12102407 补油阀芯 Compensatory Oil Vavle 2
14 12102408 O 形圈 38×3.1 O-ring 38×3.1 2
15 12102409 O 形圈 22.4×2.65 O-ring 22.4×2.65 2
16 12102410 电磁铁 Solenoid Vavle 1