SPARKLING CAT 312E Swing Motor – Durable & High-Performance Excavator Part

The Caterpillar Swing Reducer (Part No. 333‑3073 / 3333073) is a premium swing gearbox designed to restore smooth and powerful 360° rotation in CAT excavators—compatible with 312D, 312DL, 312D2, 312E, 313D, 313D2, 314C, and 314E models. 

It features hardened steel planetary gears, sealed bearings, and robust housing to handle heavy-duty rotational loads while preventing leaks and contamination . Available as genuine OEM or high-quality aftermarket units, this swing reducer ensures a direct-fit replacement and optimized machine performance.

Machine Model
312D L 312C 313D2 GC 313D2
Part Number
333-3073 3333073
Quality
China made
Condition
New
Gross Weight
75 Kg
MOQ
1 Pcs
INQUIRY
Product Description

The SPARKLING CAT 312E Swing Motor is engineered to deliver exceptional performance and durability for your excavator’s swing system. Designed specifically for the Caterpillar 312E model, this swing motor ensures smooth and efficient rotation, helping your machine operate with precision and stability.

Since 2013, SPARKLING MACHINERY has focused on producing high-quality excavator parts with an emphasis on reliability and craftsmanship. Our CAT 312E Swing Motor undergoes strict manufacturing and quality control processes to withstand harsh working environments, reducing downtime and maintenance costs. Its robust construction resists wear and tear, providing long service life even under heavy loads.

Compatible with other CAT components, the SPARKLING swing motor seamlessly integrates into your existing equipment without complicated modifications. We also offer customized solutions and professional technical support to meet the specific demands of your operations.

With SPARKLING, you get more than just a replacement part—you gain a trusted partner committed to innovation, precision, and cost efficiency. Our global sales network ensures timely delivery and continuous service before and after purchase, making us the go-to choice for excavator professionals worldwide.

Upgrade your CAT 312E excavator with SPARKLING’s reliable swing motor to experience enhanced machine control, reduced operational costs, and long-lasting performance.

Product Images

  • Caterpillar 333‑3073 swing reducer, 3333073 gearbox, CAT 312D swing gearbox, CAT 312E swing motor, 313D swing reducer, 314C swing gearbox, CAT excavator swing drive, swing reducer replacement
  • Caterpillar 333‑3073 swing reducer, 3333073 gearbox, CAT 312D swing gearbox, CAT 312E swing motor, 313D swing reducer, 314C swing gearbox, CAT excavator swing drive, swing reducer replacement
  • Caterpillar 333‑3073 swing reducer, 3333073 gearbox, CAT 312D swing gearbox, CAT 312E swing motor, 313D swing reducer, 314C swing gearbox, CAT excavator swing drive, swing reducer replacement

Frequently Asked Questions

Are your products covered by a warranty?
  • Yes, all of our excavator parts come with a warranty to ensure quality and reliability. The warranty period may vary depending on the type of part. Please contact us for detailed warranty terms for specific products.

  •  

What is the lead time for receiving excavator parts?

Our typical lead time depends on the complexity and quantity of the order. For standard parts, delivery usually takes between 7 to 14 days. For custom orders, the lead time may vary, but we always strive to ensure timely delivery.

What types of excavator parts do you manufacture?

We manufacture a wide range of excavator parts, including hydraulic components, undercarriage parts, engine parts, wear parts, and more. Our products are designed to fit a variety of excavator models and are built to meet the highest quality standards.

How do you ensure the quality of your parts?

We follow strict quality control procedures throughout the manufacturing process. Our parts are tested for durability, performance, and precision to ensure they meet industry standards and exceed customer expectations.

Get in Touch
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_665 not exceed 150 characters
Please enter your content not exceed 3000 characters
Guangzhou Shuori Machinery Equipment Co., Ltd
No514-515, Hulin Road, Tianhe District, Guangzhou, China.
You may also like

CATERPILLAR EXCAVATOR 312D L 312C 313D2 GC 313D2 333-3073 3333073 SWING REDUCER

The Caterpillar Swing Reducer (Part No. 333‑3073 / 3333073) is a premium swing gearbox designed to restore smooth and powerful 360° rotation in CAT excavators—compatible with 312D, 312DL, 312D2, 312E, 313D, 313D2, 314C, and 314E models. 

It features hardened steel planetary gears, sealed bearings, and robust housing to handle heavy-duty rotational loads while preventing leaks and contamination . Available as genuine OEM or high-quality aftermarket units, this swing reducer ensures a direct-fit replacement and optimized machine performance.

CATERPILLAR EXCAVATOR 312D L 312C 313D2 GC 313D2 333-3073 3333073 SWING REDUCER

SHANTUI EXCAVATOR PARTS MADE IN CHINA NEW SD16 SD22 SD32 23Y-58D-15000-1 CONTROL PANEL SPARKLING MACHINE

   SPARKLING MACHINERY NEW SD16 SD22 SD32 23Y-58D-15000-1 Control Panel is a dedicated integrated control component for Shantui SD16, SD22, and SD32 crawler dozers/excavators (widely used in construction, mining, and land reclamation). As the "central command hub" of the equipment’s cab, it integrates key controls for engine operation, hydraulic functions, and safety systems—enabling operators to monitor real-time data (e.g., speed, temperature) and execute precise commands during heavy tasks like pushing soil, grading terrain, or earthmoving.
   Meeting Shantui OEM standards (part no. 23Y-58D-15000-1), it endures -30°C to 85°C temperatures, resists dust and vibration, and maintains stable signal transmission. Strict testing guarantees seamless compatibility with the three Shantui models and long-term reliable cab control.

SHANTUI EXCAVATOR PARTS MADE IN CHINA NEW SD16 SD22 SD32 23Y-58D-15000-1 CONTROL PANEL SPARKLING MACHINE

R160LC-9S 71Q7-80010 71Q7-80110-AS1 71Q7-80010-AS2 71Q7-80110-AS2 CABIN ASSY

The R160LC-9S Cabin Assembly is a fully enclosed operator cab designed for optimal visibility, comfort, and safety in demanding excavating environments. Engineered for Hyundai’s R160LC-9S model, this cabin ensures a quiet, ergonomic, and vibration-resistant operating experience. It includes internal wiring, operator console interfaces, HVAC components (optional), reinforced glass, and secure mounting brackets—making it an all-in-one solution ready for immediate replacement or upgrade.

🔧 Key Features:

  • OEM-level design for perfect compatibility with Hyundai R160LC-9S

  • Spacious layout with high-visibility laminated glass

  • Weatherproof and vibration-dampening construction

  • Ready-to-install with core harnesses and control panel cut-outs

  • Optional heater/AC modules available on request

R160LC-9S 71Q7-80010 71Q7-80110-AS1 71Q7-80010-AS2 71Q7-80110-AS2 CABIN ASSY

VOLVO EXCAVATOR PARTS MADE IN CHINA NEW EC330B EC360B EC330C EC700CHR SA7223-00810 SOLENOID VALVE SPARKLING MACHINERY

   SPARKLING MACHINERY NEW EC330B EC360B EC330C EC700CHR SA7223-00810 Solenoid Valve is a dedicated hydraulic control component for VOLVO EC330B, EC360B, EC330C, and EC700CHR heavy crawler excavators (widely used in large-scale mining, construction, and infrastructure projects). As a core part of the excavator’s hydraulic system, it regulates the flow and direction of high-pressure hydraulic oil to key components (e.g., cylinders, motors) based on electrical signals—ensuring precise control of heavy-duty functions like boom lifting, bucket crushing, and track movement during high-intensity tasks.
   Meeting VOLVO OEM standards (part no. SA7223-00810), it endures 35 MPa hydraulic pressure, -30°C to 90°C temperatures, and resists oil corrosion and vibration. Strict testing guarantees seamless compatibility with the four VOLVO models and long-term reliable hydraulic control.

VOLVO EXCAVATOR PARTS MADE IN CHINA NEW EC330B EC360B EC330C EC700CHR SA7223-00810 SOLENOID VALVE SPARKLING MACHINERY
Tags
HL780-9A engine bearing parts
HL780-9A engine bearing parts
R200W-7 steering parts
R200W-7 steering parts
SPARKLING MACHINERY gasket
SPARKLING MACHINERY gasket
hydraulic pump for JCB loader
hydraulic pump for JCB loader
Contact customer service

How can we help?

Hi,

If you are interested in our products/engineered customized solutions or have any doubts, please be sure to let us know so that we can help you better.

Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_665 not exceed 150 characters
Please enter your content not exceed 3000 characters
×

Get a free quote

Hello,
I am very interested in this product of yours.
Please send me your product details, price, specifications, and similar models.
Looking forward to your quick reply.
Thanks!

Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_665 not exceed 150 characters
Please enter your content not exceed 3000 characters
×