13.8Kg 150903A1 Adjuster Cylinder for Case Excavators CX130 CX130B CX135SR and Sumitomo Excavators SH120-3 SH130
The 150903A1 Adjuster Cylinder (Track Tensioner Cylinder, Weight: 13.8kg) is a critical undercarriage component for Case CX130, CX130B, CX135SR and Sumitomo SH120-3, SH130 excavators. It maintains optimal track tension, absorbs shock, protects idlers/rollers/shoes, and ensures stable undercarriage operation in construction/mining applications.
Key Features
- OEM-Compliant Fit: Matches original specs for direct, modification-free installation, reducing downtime.
- Durable Hydraulic Design: High-strength steel barrel + precision-sealed piston rod resist pressure, corrosion, and wear.
- Shock-Absorbing Performance: Works with recoil spring to buffer impact, extending undercarriage lifespan.
- Leak-Proof Seals: Premium seal kit prevents hydraulic fluid leakage, ensuring consistent tension adjustment.
- Easy Maintenance: Simple disassembly/assembly for quick repairs, lowering labor costs.
Compatible Equipment Models:
· Case Excavators: CX130, CX130B, CX135SR, and 9010B.
· Sumitomo Excavators: SH120-3, SH130, SH145X-6.
Dear Valued Partners,
Thank you for trusting SPARKLING MACHINERY for premium construction machinery spare parts. Today, we present the 150903A1 Adjuster Cylinder—a vital undercarriage part for Case CX130/CX130B/CX135SR and Sumitomo SH120-3/SH130 excavators. It ensures proper track tension, enhances undercarriage durability, and minimizes maintenance costs.
We deliver reliable, cost-effective parts to maximize your machinery’s productivity and reduce downtime.
The SPARKLING MACHINERY NEW 150903A1 Adjuster Cylinder Photo:



Why Choose the SPARKLING 150903A1 Adjuster Cylinder?
- Seamless Integration: OEM-matching dimensions/specs enable quick installation, no modifications needed.
- Stable Track Tension: Prevents track slippage/derailment, improving operational safety and efficiency.
- Harsh Environment Resistance: Robust build withstands vibration, dust, and heavy loads, maintaining long-term performance.
- Cost-Effective Durability: Premium materials and seals lower replacement frequency and hydraulic fluid loss.
- Expert Support: Our Case/Sumitomo-focused team offers pre-purchase compatibility checks, installation guidance, and post-sales troubleshooting for a hassle-free experience.
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

Get In Touch:
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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.





Sparkling Machinery Co.,Ltd
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Whatsapp: +8613609010879