ranroswang@hksparkling.com 
+86 138 2341 8469
538-5278 Travel Reducer Final Drive for Caterpillar CAT 320 320GC 323 Next Gen Excavator
The 538-5278 Travel Reducer is a high-torque planetary gearbox assembly designed specifically for Caterpillar Next Generation Excavators (320, 320 GC, 323). This final drive unit translates hydraulic power into reliable traction, featuring reinforced gear structures to handle the increased breakout forces and productivity demands of modern job sites.
Dear Valued Partners,
Thank you for choosing SPARKLING MACHINERY, your professional supplier for construction machinery brake and transmission parts.
The SPARKLING MACHINERY NEW 538-5278 Travel Reducer Final Drive Photo:
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Next-Gen Engineering: Specifically tuned for the hydraulic flow and pressure of the CAT 320/323 Next Gen series.
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Enhanced Load Distribution: Multi-stage planetary gears distribute stress evenly, reducing individual gear wear.
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Advanced Metallurgy: Forged and heat-treated components provide superior resistance to shock loads in rocky terrain.
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Long-Life Sealing: Features premium duo-cone (floating) seals to keep lubricants in and contaminants out.
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- Machine Compatibility & Part Number Reference：
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| Machine Model | Configuration | Part Number | Component |
| CAT 320 | Next Gen Crawler | 538-5278 | Travel Reducer |
| CAT 320 GC | Next Gen Economy | 538-5278 | Travel Reducer |
| CAT 323 | Next Gen High Performance | 538-5278 | Final Drive |
| CAT 320L / 323L | Long Undercarriage | 538-5278 | Travel Reducer |
Q&A
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Q1: Can 538-5278 replace older 320D or 320E reducers?
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A: No, 538-5278 is designed for the "Next Gen" series. Please verify your machine's serial number to ensure correct bolt-hole patterns and gear ratios.
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Q2: What maintenance is required for this final drive?
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A: We recommend checking gear oil levels every 250 hours and performing a full oil change every 1,000 to 2,000 hours to maximize the life of the planetary gears.
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Q3: Is the installation technical support available?
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A: Yes, we provide basic installation guidance and bolt torque specifications to ensure your 538-5278 is mounted correctly.
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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