Model 8 Series Planetary gearbox replacement of AUBURN (Shaft output and Spindle output drives)
The Model 8 series planetary gearbox is a high-performance gearbox for various industrial and commercial applications. It is available in both in-line and right-angle configurations to meet different application requirements.
Model 8 Series Planetary gearbox
The Model 8 series planetary gearbox is a versatile and high-performance gearbox designed for use in various industrial and commercial applications requiring high torque output, precise speed control, and efficient power transmission.
The gearbox features a high-strength, precision-machined planetary gear system that provides high torque output and precise speed control, making it ideal for applications that require high power density and precision control. The gearbox is designed to handle high radial and axial loads, making it suitable for demanding applications that require high performance and durability.

The Model 8 series planetary gearbox is available in various gear ratios and can be customized to meet specific torque and speed requirements. It is also designed for easy integration with multiple motors, making it a popular choice for applications requiring high power density and precision control.
The gearbox is designed for easy maintenance and repair. It features a modular design that allows for easy disassembly and reassembly, which reduces downtime and maintenance costs. It also uses high-quality materials and components that are designed to withstand the rigors of heavy use and harsh operating conditions.
Overall, the Model 8 series planetary gearbox is a reliable and efficient solution for various industrial and commercial applications. Its high torque output, precise speed control, and modular design make it an ideal choice for high-performance applications that require precision control and durability.
Model 8 Series, Shaft output and Spindle output drives----technical specification
| output torque (N.m) | Ratio (i) | Recommend Hydraulic Motor pilot/hubs and input spline
| Max. input speed (rpm) | Brake torque (N.m) | Brake work pressure (bar) | ||
| normal | Max. Intermittent | ||||||
| 7000 | 14000 | 3.54, 4.00, 4.67, 5.71 | Single reduction | SAE A, B motor pilot/hubs 13T - 16/32 Spline 15T - 16/32 Spline 14T - 12/24 Spline 21T - 16/32 Spline | 3500 | 440 | 22-50 |
| 15.92, 18.78, 21.23 | Double reduction | 330 | 27-50 | ||||
| 24.76, 30.33, 37.71 | 260 | 22-50 | |||||
| 43.36, 51.43 | 160 | 17-50 | |||||
- Input-Output rotate same direction.
- Other ratio and other input type can special design.
| FEATURE CHART: MODEL 8 SERIES,SHAFT OUTPUT and SPINDLE OUTPUT DRIVES, SINGLE REDUCTION | ||||||||
| OPTIONS | DESCRIPTION | ORDER NUMBER | USE OPTION ORDER CODES TO BUILD ORDER NUMBER | |||||
| MODEL SERIES | MODEL 8 | 8T | 8T | |||||
| MOTOR PILOT/HUBS | SAE A SAE A1 SAE B SAE B1 SAE C SAE C1 SAE D SAE D1
| A A1 B B1 C C1 D D1 | C | |||||
| MOTOR INPUT SPLINE
INPUT SHAFT OPTIONS
| 13T - 16/32 14T - 12/24 15T - 16/32 21T - 16/32 1-1/2”Keyed
| 13 14 15 16 KOO | 14 | |||||
| RATIO OPTIONS | 3.54, 4.00, 4.67, 5.71 | 03,04,4.7,05 | 05 | |||||
| OUTPUT SHAFT OPTIONS
OUTPUT SPINDLE OPTIONS | 23T-12/24 Spline 2.00” Keyed 3.00”Keyed 20T-8/16 Spline 23T-8/16 Short 23T-8/16 Long 2.00 Round 2.56 Round 2.00 Hex 2.00 Hex 2.50 Hex F1, F2, F2B, F3, F5, | 23 K1 K2 20 23S 23L A1 A2 H1 H2 H1B F1, F2, F2B F3, F5 |
K1 | |||||
| BRAKE | 160N.m 260N.m 330N.m 440N.m Without Brake | B4D B4F B4H B4L WO | WO | |||||
| Example of complete order code: | 8T | C | 14 | 05 | K1 | WO | ||
| FEATURE CHART: MODEL 8 SERIES,SHAFT OUTPUT and SPINDLE OUTPUT DRIVES, DOUBLE REDUCTION | ||||||||
| OPTIONS | DESCRIPTION | ORDER NUMBER | USE OPTION ORDER CODES TO BUILD ORDER NUMBER | |||||
| MODEL SERIES | MODEL 8 | 8S | 8S | |||||
| MOTOR PILOT/HUBS | SAE A SAE A1 SAE B SAE B1 SAE C SAE C1 | A A1 B B1 C C1 | B | |||||
| MOTOR INPUT SPLINE
INPUT SHAFT OPTIONS
| 13T - 16/32 1”- 6B 14T - 12/24 15T - 16/32 1-1/2”Keyed
| 13 6B 14 15 KOO | 13 | |||||
| RATIO OPTIONS | 15.92, 18.78 21.23, 24.76 30.33, 37.71 43.36, 51.43 | 15, 18 21, 24 30, 37 43, 51 | 43 | |||||
| OUTPUT SHAFT OPTIONS
OUTPUT SPINDLE OPTIONS | 23T-12/24 Spline 2.00” Keyed 3.00”Keyed 20T-8/16 Spline 23T-8/16 Short 23T-8/16 Long 2.00 Round 2.56 Round 2.00 Hex 2.00 Hex 2.50 Hex F1, F2, F2B, F3, F5, | 23 K1 K2 20 23S 23L A1 A2 H1 H2 H1B F1, F2, F2B F3, F5 |
20 | |||||
| BRAKE | 160N.m 260N.m 330N.m 440N.m Without Brake | B4D B4F B4H B4L WO | B4L | |||||
| Example of complete order code: | 8S | B | 13 | 43 | 20 | B4L | ||
| Motor mounting chart | |
| Motor mounting hole dimensions | Diameter |
| SAE A, A1 (4)-1/2"-13UNC 2B thd holes on 106.38 B.C. | φ82.58(+0.12/0) |
| SAE B, B1 (2)-1/2"-13UNC 2B thd holes on 146.05 B.C. | φ101.62(+0.13/0) |
| SAE C, C1 (4)-1/2"-13UNC 2B thd holes on 161.93 B.C. OR (2)-5/8"-11UNC 2B thd holes on 180.98 B.C. | φ127.02(+0.13/0) |
| SAE D, D1 (4)-3/4"-10UNC 2B thd holes on 228.60 B.C. | φ152.43(+0.13/0) |
| “O” Ring size: SAE A-#042, SAE B-#155, SAE C-#159, SAE D-#163 | |
Model 8 Series, Shaft output and Spindle output drives---dimensions



Application of Model 8 Series Planetary Gearbox
The Model 8 series planetary gearbox is a versatile gearbox that can be used in various industrial and commercial applications that require high torque output, precise speed control, and efficient power transmission. Here are some specific applications of the Model 8 series planetary gearbox:

Material handling equipment: Material handling equipment, such as conveyor systems and lifts, require precise speed control and high torque output for efficient operation. The Model 8 series planetary gearbox is used in the drive system of these machines, providing the necessary power and control for efficient material handling.
Packaging machinery: Packaging machinery, such as fillers and sealers, requires precise speed control and high torque output for efficient operation. The Model 8 series planetary gearbox is used in these machines' drive systems, providing the power and precision control required for efficient and reliable operation.
Robotics: Robotics applications require high precision, control, and torque output for efficient operation. The Model 8 series planetary gearbox is used in the drive system of robotics applications, providing the necessary power and control for precise and efficient movement.
Renewable energy: Renewable energy applications like wind turbines and solar trackers require precise speed control and high torque output for efficient power generation. The Model 8 series planetary gearbox is used in the drive system of these machines, providing the necessary power and control for efficient and reliable power generation.
Mining equipment: For efficient operation, mining equipment, such as conveyors and crushers, requires high torque output and precise speed control. The Model 8 series planetary gearbox is used in the drive system of these machines, providing the necessary power and control for efficient mining operations.
Overall, the Model 8 series planetary gearbox is a reliable and efficient solution for various industrial and commercial applications requiring high power density, precision control, and durability. Its versatility, modular design, and high-performance characteristics make it an ideal choice for various applications.

How to select a suitable Model 8 Series Planetary gearbox?
Selecting the practical Model 8 series planetary gearbox requires careful consideration of several key factors. Here are some important factors to consider when selecting a Model 8 series planetary gearbox:
1. Torque requirements: Determine the torque requirements for your specific application. The torque capacity of the gearbox should be sufficient to handle the maximum torque load of the machine.
2. Speed requirements: Determine the speed requirements for your specific application. The gearbox should be capable of providing the necessary speed control to meet the demands of the machine.
3. Input power: Determine the input power requirements for your specific application. The gearbox should be compatible with the power source, such as an electric motor, used in the machine.

4. Mounting requirements: Determine the mounting requirements for your specific application. The gearbox should be compatible with the mounting configuration of the machine.
5. Environmental factors: Consider the environmental factors that may impact the gearbox's operation, such as temperature, humidity, and exposure to dust or water.
6. Maintenance requirements: Consider the maintenance requirements of the gearbox, such as the frequency of maintenance, ease of access for maintenance, and availability of replacement parts.
7. Manufacturer reputation: Consider the gearbox manufacturer's importance and experience in producing high-quality, reliable gearboxes.
Considering these factors and consulting with a gearbox expert or manufacturer, you can select the suitable Model 8 series planetary gearbox for your specific application. Choosing the right gearbox can help ensure your machine's reliable and efficient operation while also reducing maintenance costs and downtime.
Our Company
At present, we produce NB3 Series planetary gearbox, NB4 series track drives, NB7 Series slew drives, NB6 Series wheel drives, and US Series planetary gear drives; it has grown to 10,000 kinds of specifications, a reduction ratio range of 3.3 ~ 9000, the output torque range of 500 ~ 450000N.m, products exported to more than 90% of the United States, Europe, Australia, South America, the Middle East, and Southeast Asia. With Europe and the United States' well-known planetary gearbox manufactured products, planetary gearbox installation, and dimensions are precisely the same and can be thoroughly carried out and used interchangeably.
The company has many Taiwan and Taiwan-made fully automatic integrated machining centers, CNC grinding machines, CNC gear machines, CNC machine tools, and much more high-quality equipment, thus ensuring high-precision parts. Employees must undergo rigorous professional training, good skills, and excellent quality. Adopting modern computer systems to carry out a full range of management successfully passed ISO9001: 2000 quality system certification.
This catalog features the Model 3 to Model 8 family of US series Planetary Gear Drives. We offer services for design, engineering, prototype support, and complete testing and production capabilities. Product applications include aerial lift, agriculture, automotive, construction, forestry, industrial, and marine.

Our Factory

Additional information
| edited | by hyw |
|---|
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






