Table of Contents

Nationwide
Delivery

European
Quality

High-Level
Technical Team

Easy Warranty
and Returns
From 9.000.000₫
Product Introduction
The WPA 135 Gear Motor 4kW 5.5Hp features an easy-to-use design, durable operation, and stable performance in harsh environments. The product optimizes efficiency and saves costs for production systems.
The product is manufactured using modern German technology, meets European standards, is safely transported via nationwide freight shipping, and comes with a full 12-month technical warranty policy.
With a unique space-saving design, the WPA 135 Gear Motor 4kW 5.5Hp is the most optimal choice in the current market, widely used by customers. It is a combination of a gear motor formed by an electric motor and a gearbox.
The worm gear motor features a solid cast-iron exterior design with high rigidity, capable of withstanding impacts and high pressure during operation.
It is a worm gearbox coupled with a 3-phase electric motor.

The WPA 135 Gear Motor 4kW 5.5Hp combines an electric motor installed with a WPA gearbox.
It consists of a WPA 135 worm gearbox coupled with a 3-phase electric motor 4.0kW 5.5Hp via a pulley and coupling.


The WPA 135 Gear Motor 4kW (5.5Hp) is a transmission device combining a 3-phase electric motor with a capacity of 4kW and a WPA 135 gearbox, suitable for medium-load applications requiring high durability and stable operation in industrial environments.
The 3-phase electric motor 4kW 5.5Hp features a compact design, easy installation, and ensures stable working performance over a long period.
| Model | 112M |
| Shaft Diameter | 28mm |
| Keyway | 8mm |
| Flange Diameter | 250mm |
| Weight | 35kg |
| Dimensions | 400 x 240 x 300 mm |
| Mounting Type | Foot mount (B3) |
| Protection Class | IP55 |
| Insulation Class | Class F |

The WPA 135 gearbox features a compact design and stable power transmission capability, making it suitable for combination with a 4kW motor in various machinery systems.
| Size | 135 |
| Input Shaft Diameter | 35mm |
| Output Shaft Diameter | 55mm |
| Dimensions | 433mm*317mm |

The WPA 135 Gear Motor 4kW 5.5Hp is a gear motor above 3.7kW used in industrial sectors and plants requiring high-power, heavy-load drive systems as follows:

To better understand the structural characteristics and operation process of the product, customers can refer to the gear motor video library directly produced by Thanh Thai Motor. In addition, the comprehensive video section also updates many useful contents related to installation instructions, technical inspections, and selecting suitable equipment for each practical application.
The WPA 135 Gear Motor 4kW 5.5Hp features a compact design, stable transmission capability, and well meets working requirements in industrial environments. The product is suitable for many systems requiring speed reduction and increased output torque. For detailed consultation on technical specifications or to receive preferential quotations, please contact Thanh Thai Motor via Hotline 0909.539.175 for prompt assistance.
When purchasing gearmotors at Thanh Thai Motor, you will receive benefits such as: Warranty up to 24 Months All gearmotor products at Thanh Thai Motor come with an official 24-month warranty. We are committed to clear after-sales service, with quick and transparent processing procedures – ensuring customer peace of mind during use. Nationwide Delivery No matter which province or city you are in, Thanh Thai Motor is always ready to support fast delivery, ensuring on-time delivery, careful packaging, and safe transportation. We supply a full range of 220V gearmotors, variable speed motors, etc., for the diverse needs of customers nationwide. Products Meet European Quality Standards with German Technology Our products are manufactured using modern German technology, meeting European standards. Models such as integrated gearmotors, variable speed motors, or 220V gearmotors all ensure stable operation and superior durability. Competitive Pricing, Good Discounts for Dealers and Bulk Purchasers We offer affordable gearmotors, suitable for projects with limited budgets. In addition, Thanh Thai Motor has special policies and offers for dealers and bulk purchasers. Quality Commitment All 220V gearmotors here are wound with pure copper wire. This ensures powerful, smooth operation and energy savings. Full Certification Documents: CO, CQ,... All products such as integrated gearmotors, conveyor motors, or speed reducers come with full Certificates of Origin (CO) and Quality (CQ), meeting stringent technical requirements in industry. Need advice on choosing the right gearmotor for your needs? Contact Thanh Thai Motor immediately using the methods below:Warranty, Shipping, and Commitment Policies at Thanh Thai Motor
Contact Us
| Product Type | WPA Gear Motor |
| Rated Power | 4kW – 5.5Hp |
| Power Range | 0.18 kW – 315 kW |
| Frequency | 50Hz |
| Voltage | 380/660V |
| Material | Aluminum and Cast Iron Housing |
| Place of Manufacture | German Technology, Assembled in China |
| Brand | JUMAR, ADTECH |
| Warranty Period | Up to 24 Months |
| Shaft Diameter | 28mm |
| Keyway | 8mm |
| Speed | 1,400 – 1,500 rpm |
| Input Shaft Diameter | 28mm |
| Output Shaft Diameter | 55mm |
| Gear Ratios | 1:10 – 1:60 |

Nationwide
Delivery

European
Quality

High-Level
Technical Team

Easy Warranty
and Returns

Emily AnnPurchased
Works fine, but I hoped for a faster delivery time
OliviaPurchased
Overall good product, but the consultation was brief
Ava RosePurchased
Quite effective, though delivery wasn’t super speedy
Sarah R
The motor operates well, but shipping felt delayed
John Smith
The motor performs well, but delivery was a bit slow