ranroswang@hksparkling.com 
+86 138 2341 8469
SA7114-12730 Shaft for Doosan Crawler Excavators DX225 & DX300
The SA7114-12730 Shaft is a critical structural component designed for Doosan Crawler Excavators. Engineered to handle extreme shear forces and high-torque environments, this shaft ensures the smooth articulation of the machine's working arms or hydraulic systems.
Dear Valued Partners,
Thank you for choosing SPARKLING MACHINERY, your trusted source for high‑quality Doosan excavator components. We are proud to offer the SA7114-12730 Hardened Steel Shaft, a vital part for maintaining the performance and reliability of your Doosan DX225, DX225LC, and DX300 excavators. This precision‑engineered shaft plays a key role in power transmission and motion control within critical systems like final drives and swing mechanisms.
The SPARKLING MACHINERY NEW SA7114-12730 Shaft Photo:
Key Advantages
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High Load Capacity: Specifically treated to prevent bending or snapping under heavy excavation loads.
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Wear Resistance: Induction-hardened surface significantly extends the component's life cycle.
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Precision Finish: Ground to micron-level tolerances for a perfect fit with bushings, reducing friction and noise.
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DX225 / DX300 Compatible Parts Table:
| Part Name | Machine Model | Part Number |
| Hardened Shaft | DX225 / DX300 | SA7114-12730 |
| Bucket Bushing | DX225 / DX300 | 2103-1312 |
| Bucket Pin | DX225 / DX300 | 2102-1061 |
| Dust Seal | DX225 / DX300 | 2140-1035 |
| Thrust Plate (3mm) | DX225 / DX300 | SA7114-12630 |
Q&A
Q1: Is the SA7114-12730 shaft heat-treated?
A: Yes, all our SA7114-12730 shafts undergo professional induction hardening to ensure a deep wear-resistant layer and a high-strength core.
Q2: Will this shaft fit both the DX225 and DX300 models?
A: Yes, this part number is cross-compatible with several Doosan crawler models. We recommend providing your machine's serial number for a final compatibility double-check.
Q3: How do you protect the shaft from rust during sea shipping?
A: Every shaft is coated with anti-rust oil and vacuum-sealed or wrapped in protective film before being placed in reinforced wooden crates or heavy-duty cartons.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation
🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
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Whatsapp: +8613609010879