Swing Gearbox Fit for Excavator Caterpillar E336D
Swing Gearbox Fit for Excavator Caterpillar E336D
The swing gearbox, also known as the swing drive or swing motor, is an essential component of an excavator's hydraulic system. It is responsible for the rotation of the upper structure of the excavator, allowing the excavator arm to move in a full circle. Our Swing Gearbox Fit for Excavator Caterpillar E336D is the perfect solution for Caterpillar E336D excavator owners. Here's everything you need to know:
What is a Swing Gearbox?
The swing gearbox is a hydraulic component that facilitates the rotation of the upper structure of an excavator. It is mounted on the excavator's chassis and is responsible for the excavator arm's rotational movement.
The Swing Gearbox Fit for Excavator Caterpillar E336D has the following features:
- High torque capacity
- Low noise and vibration
- Efficient power transmission
- Long service life
Our product is designed to meet or exceed OEM specifications, ensuring a perfect fit and performance.

Installation and Functionality
The Swing Gearbox Fit for Excavator Caterpillar E336D is installed between the excavator's upper structure and its undercarriage. Its primary function is to transfer power from the excavator's engine to its tracks, allowing the excavator to move and rotate. Specifically, the swing gearbox is responsible for the rotational movement of the excavator arm, which is essential for digging and moving material.
Here's how it works: when the excavator operator moves the control lever, the hydraulic pump sends oil into the swing gearbox. This oil pressurizes the system, causing the swing gearbox's internal gears to rotate. These gears transfer power to the excavator arm, allowing it to rotate. The hydraulic pressure is then released, and the arm stops rotating.

Compatibility and Parameters
Our Swing Gearbox Fit for Excavator Caterpillar E336D is specifically designed to fit Caterpillar E336D excavator models. Before purchasing, customers must ensure that their excavator's parameters match our product's specifications.
Here are the parameters that need to be considered:
| Parameter | Description |
|---|---|
| Machine Weight | The weight of the excavator |
| Mounting Flange | The diameter and number of bolt holes |
| Hydraulic Motor | The displacement of the hydraulic motor |
When to Replace the Swing Gearbox?
Over time, the swing gearbox can wear out or become damaged, leading to a decline in excavator performance. Here are some signs that it may be time to replace the swing gearbox:
- Unusual noise or vibration coming from the swing gearbox
- Leaks or cracks in the gearbox housing
- Difficulties in rotating the excavator arm
- Reduced power in the hydraulic system
If you notice any of these symptoms, it's essential to replace the swing gearbox as soon as possible to prevent further damage to the excavator.
Swing Gearbox Maintenance
Regular maintenance can help extend the life of the swing gearbox and prevent costly repairs. Here are some maintenance tips:
- Regularly check the gearbox's oil level and quality
- Replace the gearbox oil according to the manufacturer's specifications
- Inspect the gearbox housing for leaks or cracks
- Check the gearbox bolts for tightness
- Clean the gearbox to prevent dirt and debris from damaging the internal parts
Common Excavator Brands and Models
Our Swing Gearbox Fit for Excavator Caterpillar E336D is just one example of our many products. We specialize in producing high-quality spare parts for a wide range of construction machines, including walking reducers, rotary reducers, gears, shafts, and more.
Our products are compatible with over 553 different machine models from various brands, such as:
- Komatsu PC200-7/8/10
- Hitachi EX200-1/2/3/5/6
- Caterpillar CAT320C/D/E/F
- Volvo EC210B/240B/290B
- Hyundai R210LC-7
Please note that we do not sell products under the brand names listed above. We use these brand names and models for reference purposes only to help our customers choose compatible products for their machines.
About Us
We are a leading manufacturer of high-quality spare parts for construction machines. Our company is committed to providing our customers with reliable products and outstanding service. We have a team of experienced engineers and marketing professionals who work tirelessly to meet our customers' needs. Our products are manufactured using advanced technologies and equipment, ensuring their quality and durability.
Thank you for considering our Swing Gearbox Fit for Excavator Caterpillar E336D. If you have any questions or need further information, please don't hesitate to contact us.
Author: Miya
Product Quick Detail:
- Standard and non-standard available
- With high quality and competitive price
- Prompt delivery
- Packing as per customer’s demand.
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port


