ranroswang@hksparkling.com 
+86 138 2341 8469
309-5711 Monitor Display for Caterpillar 312D, 315D, 319D, M313D
Primary Function: It serves as the primary interface between the operator and the machine, displaying critical real-time data such as engine RPM, coolant temperature, hydraulic pressure, fuel levels, and diagnostic fault codes (DTCs).
Compatible Models: This monitor is widely used in Caterpillar’s 300D series excavators and related equipment, including:
Excavators: 312D, 315D, 319D, 320D, 323D, 324D, 325D, 329D, 330D, 336D, 345D, and 349D.
Wheeled Excavators: M313D, M315D, M316D, M318D, and M322D.
System Integration: It communicates with the machine’s Electronic Control Modules (ECMs) via the CAN-bus network.
Thank you for choosing SPARKLING MACHINERY, your reliable supplier of Caterpillar electrical parts. The 309-5711 monitor display is an OEM original replacement designed for Caterpillar 312D, 315D, 319D excavators and M313D wheeled excavator. As the central control interface, it provides real-time monitoring of engine and hydraulic system parameters, fault code diagnosis, and machine operation data. Built with industrial-grade LCD screen and durable housing, it ensures clear visibility and stable performance in harsh construction environments.
The SPARKLING MACHINERY NEW 309-5711 Monitor Photo:
Why Choose the SPARKLING 309-5711 Monitor?
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- Anti-Glare Screen: High-visibility LCD designed for easy reading in direct sunlight or low-light cabin conditions.
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- Real-Time Diagnostics: Displays active fault codes and maintenance reminders to prevent unexpected downtime.
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- Multi-Language Support: Features an intuitive menu system available in multiple languages for global operation.
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- Rugged Housing: Built to withstand the constant vibrations and temperature fluctuations found in heavy excavation environments.
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Common Maintenance Parts for CAT 312D / 315D
When updating your cabin electronics, consider checking these related service items:
| Part Name | Part Number | Application |
| Monitor Display | 309-5711 | Machine Interface |
| Engine Oil Filter | 1R-0739 | C4.2 / C4.4 Engine |
| Air Filter (Outer) | 131-8902 | Engine Intake |
| Cabin Air Filter | 293-1183 | HVAC System |
| Fuel Water Separator | 326-1644 | Fuel System Protection |
Q&A Section
Q1: Does the 309-5711 require special programming upon installation?
A: In most cases, the monitor is "plug-and-play" for basic display functions, but it may require configuration via CAT ET (Electronic Technician) to match specific machine serial numbers and hydraulic tool settings.
Q2: Can this monitor be used on the 320D model?
A: While similar in appearance, the 309-5711 is specifically calibrated for the 312D through 319D range. The 320D typically utilizes different software and hardware groups (such as 260-2160 or 386-3457).
Q3: What are the signs of a failing 309-5711 monitor?
A: Common symptoms include a "black screen," unresponsive buttons, distorted pixels, or a "Communication Error" message despite the machine running normally.
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:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
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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