Genuine XCMG 800300029 XZZX-D304 Rotary Reducer for XCMG Truck Crane

Dedicated Technical Support & Original Industry Standards

🔵 Factory-calibrated XZZX-D304 planetary gear drive system built to XCMG OEM torque and speed specifications, delivering stable 360° slewing performance under full-load operations on XCMG truck crane series.

🔵 Precision-machined mounting interface and hydraulic motor flange match OEM dimensions exactly, ensuring direct bolt-on installation without field modification or adapter fabrication.

🔵 KMN provides dedicated VIN/nameplate cross-reference verification against XCMG technical databases to confirm exact model compatibility, preventing costly downtime from incorrect part selection.

Detailed XCMG 800300029 Equipment Compatibility & Product Specifications

🔵 Component Designation: Rotary Reducer (Hydraulic Planetary Slewing Gearbox)

🔵 Part Number: 800300029

🔵 Manufacturer Model: XZZX-D304

🔵 Compatibility: XCMG Truck Crane Slewing System

🔵 Operating Condition: 100% Brand New Original Factory Inventory

Advantages of Ordering from KMN Spare Parts

✅ Guaranteed Factory Authenticity: 100% original, factory-verified parts.

✅ Expert VIN Verification: Technical cross-reference via official databases.

✅ Highly Competitive Bulk Rates: Tiered pricing for fleet managers.

✅ Rapid Global Shipping: Express couriers (DHL/UPS/FedEx) or sea/air freight.

✅ Strategic Warehousing: Fast dispatch from major Chinese manufacturing hubs.

Step-by-Step Guide to Receive a Quick Quote

⭐ Step 1: Share machine model, serial number (VIN), or a photo of the nameplate.

⭐ Step 2: Confirm required material number and desired order quantity.

⭐ Step 3: Provide target delivery country and postal code for freight estimation.

⭐ Step 4: Share China-based forwarder details if local delivery is required.

How to contact us quickly

“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

QY50KD Truck Crane Component Catalog
802149252 Wiper Assembly
802152470 Control Room Assembly

1 860503153 Front wiper connecting rod 1
2 860503152 Front wiper transmission mechanism 1
3 860503149 Top wiper motor 1
4 802149295 Front wiper motor 1
5 802149267 Washer water tank 1
6 860503150 Top wiper connecting rod 1
7 860503151 Top wiper blade 1
8 860503154 Front wiper blade 1
9 860503155 Cleaning hose 1

112107415 Turntable

5 805639367 Output 6.3×63
8 112107430 Main body of the turntable
9 112104861 Shaft 2
10 112104862 Shaft 1
11 112104848 Plate 2
12 112104850 Plate 1
13 110500362 Pin 1
14 112104851 Bracket 1
15 801100336 Oil cup M10×1
16 112104870 Shaft 2
17 805300118 Washer 30
18 112104847 Bracket 4

112104882 Swivel support
1 800554222 Swivel support 1