ranroswang@hksparkling.com 
+86 138 2341 8469
221-8318 Valve As-Brake for Caterpillar CAT 735 740 Articulated Truck
The 221-8318 Valve As-Brake is a critical hydraulic component engineered specifically for Caterpillar 735 and 740 Articulated Trucks. This assembly ensures precise braking response and system pressure regulation, maintaining safety and operational control for heavy-duty hauling tasks in mining and construction.
Dear Valued Partners,
Thank you for choosing SPARKLING MACHINERY, your professional supplier for construction machinery brake and transmission parts.
We proudly offer the 221-8318 Brake Control Valve, a critical safety component for CAT 735 and 740 articulated trucks. This valve regulates hydraulic pressure to the service brake system, directly affecting stopping performance and operational safety.
The SPARKLING MACHINERY NEW 221-8318 Valve As-Bra Photo:
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OEM Standard Fit: 100% compatible with CAT 735 and 740 braking systems for easy "drop-in" replacement.
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High Pressure Resistance: Built to withstand the extreme hydraulic cycles of heavy articulated haulers.
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Corrosion Protection: Treated surface finish to prevent rust in wet or muddy off-road conditions.
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Safety Guaranteed: Rigorously tested to ensure immediate braking engagement and disengagement.
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- Machine Compatibility & Part Number Reference：
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| Machine Model | Configuration Type | Part Number |
| CAT 735 | Articulated Dump Truck | 221-8318 |
| CAT 740 | Articulated Dump Truck | 221-8318 |
| CAT 740B | Articulated Truck / Ejector | 221-8318 |
| CAT 735B | Heavy Hauler | 221-8318 |
Q&A
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Q1: Does this 221-8318 valve include the internal seals?
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A: Yes, it is a complete "Valve As" (Assembly) and comes ready for installation with internal components pre-fitted.
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Q2: What are the symptoms of a failing 221-8318 brake valve?
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A: Common signs include delayed braking response, hydraulic fluid leaks around the valve, or inconsistent pedal feel.
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Q3: Can this part be shipped via Air Freight?
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A: Absolutely. We offer express shipping (DHL/FedEx/UPS) to ensure your machine's downtime is minimized.
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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