Melbourne Heavy-Duty Scene 30 Aug 2025
CAT 345D Bucket Cylinder & Excavator Hydraulic Repair Kits

Growshine International—your one-stop supplier for excavator hydraulic cylinders, seal kits, boom/arm/bucket repair sets—delivers OEM-grade parts for CAT, Komatsu, Hitachi, Sany, Volvo, Doosan, Kobelco, Sumitomo, Lingong, Lovol, Hyundai and more. From CAT 345D bucket cylinder 118-3935, 1183935 to Komatsu PC360-8M0 arm cylinder 707-01-XA470, 70701XA470, every component is stocked and ready to ship worldwide.

Need a CAT 320D boom cylinder seal kit 266-7892, 2667892 overnight to Melbourne? Want Sany SY360 bucket cylinder repair kits for your fleet in Nairobi? Growshine International has you covered with CGSC fast logistics.

Complete Part Number Catalogue – Updated 30 Aug 2025

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10 Multilingual Component Definitions

• CAT 330D Swing Motor – mounted on the swing gearbox, drives the upper structure rotation. 中文：回转马达；Русский：гидромотор поворота.
• Komatsu PC300-8 Travel Motor – located in the final drive, propels the tracks. 中文：行走马达；Русский：ходовой мотор.
• Volvo EC210B Hydraulic Pump – engine-mounted main pump supplying flow to cylinders. 中文：主泵；Русский：гидронасос.
• Doosan DX225LC-5 Main Control Valve – heart of the hydraulic circuit, distributes oil flow. 中文：主控阀；Русский：гидрораспределитель.
• Hitachi ZX200-5G Pilot Valve – joystick-operated valve controlling spool movement. 中文：先导阀；Русский：пилотный клапан.
• Sany SY215C-9 Throttle Motor – on the injection pump, regulates engine speed. 中文：油门电机；Русский：дроссельный мотор.
• Kobelco SK250-10 Swing Bearing – slewing ring between frame and house. 中文：回转支承；Русский：поворотный подшипник.
• Lovol FR60 Final Drive – planetary gearbox inside the track frame. 中文：行走减速机；Русский：редуктор хода.
• LGMG LG16BE Electric Controller – under the cab seat, manages battery and motor. 中文：控制器；Русский：контроллер.
• Sumitomo SH210-6 Cabin Air Filter – behind the cab roof, cleans incoming air. 中文：空调滤芯；Русский：фильтр салона.

3 Quick-Fix Maintenance FAQs

1. Why does my CAT 336D boom drift down? – 90 % of the time the piston seal is worn; replace seal kit 522-3895, 5223895.
2. How often should I change hydraulic oil in Komatsu PC200-8? – Every 2 000 hours or annually; use OEM HM46 anti-wear fluid.
3. What causes slow bucket curl on Volvo EC210B? – Check main relief valve setting and pilot filter; clean or replace filter 14516455.

Real-World Failure & Solution

Issue: A mining contractor in Perth reported the CAT 349D2L arm cylinder 358-8514, 3588514 leaking heavily after 6 500 hours.
Root Cause: Chrome rod scored by abrasive dust entering past a damaged wiper seal.
Solution: Growshine International supplied a complete overhaul kit including chrome-plated rod, new piston, seals and upgraded dust wiper. Downtime reduced from 5 days to 18 hours with CGSC express air freight.

Our Core Business – Growshine International

Growshine International (格莳国际) is a leading exporter of construction machinery parts, heavy-duty truck components, agricultural machinery spares and automotive accessories. We stock genuine, OEM and aftermarket parts for excavators, loaders, bulldozers, tractors, trailers and passenger cars. With CGSC logistics, we ship to 140+ countries from our Guangzhou and Ningbo warehouses. Whether you need a single CAT 345D bucket cylinder 118-3935 or a full container of Komatsu PC200-8 seal kits, we quote within 60 minutes and deliver on time.