ranroswang@hksparkling.com 
+86 138 2341 8469
279-1321 Gear Compatible with Caterpillar CAT 320C & 320C U Excavators
279-1321 Gear is an OEM-compatible core transmission component for Caterpillar CAT 320C and 320C U excavators, undertaking precise power transmission and gear meshing work. It performs stably under heavy-duty construction conditions, with excellent meshing accuracy and wear resistance, ensures smooth operation of the transmission system, reduces mechanical noise and wear, and maintains efficient equipment operation.
Compatible Models:
· Excavators: Often found in 20-ton class machines such as the Cat 320C and 320CU for swing motor reduction gearboxes.
· Hydraulic Motor Series: Compatible with Nabtesco GM06VA, GM06VN, and GM06VL drive units.
Dear Valued Partners,
We sincerely cherish your trust in and choice of SPARKLING MACHINERY—this precious recognition is the core driving force for us to polish every detail of construction machinery transmission components. Today we bring you the 279-1321 Gear, an OEM-compatible precision transmission part exclusively tailored for Caterpillar CAT 320C and 320C U excavators. Engineered for high-precision meshing and strong wear resistance, it’s a key component to ensure the smooth operation of the excavator’s core transmission system.
The SPARKLING MACHINERY NEW 279-1321 Gear Photo:
Why choose the SPARKLING 279-1321 Gear?
- Direct-fit compatibility: Precisely matches the original installation dimensions, gear parameters and meshing specs of Caterpillar CAT 320C & 320C U, realizing one-step assembly without secondary processing or debugging.
- Precision control: Meticulous gear hobbing and grinding process ensure ultra-high meshing precision, precisely controlling power transmission efficiency and avoiding abnormal wear caused by tooth gap deviation.
- Rigorous quality: Undergoes strict wear resistance, impact resistance and fatigue strength tests before delivery, ensuring stable and reliable meshing operation under heavy-duty construction working conditions.
- Professional support: Provides professional installation, meshing inspection and maintenance guidance, as well as timely after-sales technical consultation for the entire product service cycle.
- Cost-effective reliability: Delivers OEM-level transmission performance and structural durability at a competitive price, the wear-resistant gear design reduces replacement frequency and effectively cuts equipment maintenance costs.
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
foreverlucia1
Whatsapp: +8613609010879