What is the maximum input speed?

The max input speed is 6000 rpm for PW60 and PW90 models, and 6000 rpm for PW120 model.

High Torque Ratio 20: 1 Transmission Gearbox Planetary Gear Reducer

Name: High Torque Ratio 20: 1 Transmission Gearbox Planetary Gear Reducer
Brand: Shenzhen Hefa Gear Machinery Co., Ltd.
SKU: 1954373135

Guangdong, ChinaShenzhen Hefa Gear Machinery Co., Ltd.

US$287.00

1-499 Pieces

US$185.00

500-999 Pieces

US$66.00

1,000+ Pieces

Sample price:US$185.00/piece.Request sample

Product profile

Customization

Available

Application

Industrial

Speed

Low Speed

Model NO.

PW90 series

Function

Driving

Casing Protection

Closed Type

Number of Poles

Starting Mode

Direct on-line Starting

Certification

ISO9001

Brand

Newgear

Hardness

Hardened Tooth Surface

Installation

Vertical Type

Layout

Coaxial

Step

Double-Step

Type

Planetary Gear Reducer

Gear Shape

Spur Gear

Speed Ratio

20:1

Precision Range

Backlash:8-16arcmin

Transport Package

Carton Box

Specification

size160

Trademark

Newgear

Origin

China

HS Code

8483402090

Production Capacity

100000 Set

Key features

High Torque Ratio: Transmission gearbox with 20:1 ratio, supporting 3-100 speed range for diverse applications.

Low Backlash Precision: Backlash as low as 1-3 arcmin (P1) and 3-5 arcmin (P2) for accurate positioning.

Durable Construction: Inner gear uses low carbon alloy steel with carburizing quenching or nitriding process.

Versatile Design: Split design with seamless switching between straight tooth series and multiple output options.

High Reliability: Double support cage planet carrier ensures stability for high-speed and frequent rotation.

Wide Application: Suitable for industrial use with closed type casing and IP65 protection degree.

Long Service Life: Average lifetime of 20,000 hours ensuring safe and reliable long-term performance.

Company profile

Shenzhen Hefa Gear Machinery Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2015-02-28 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.35h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShenzhen Hefa Gear Machinery Co., Ltd. is a China-based manufacturing factory established in 2009, with 294 employees and more than 10 production lines. Its stated product scope covers precision gears, timing pulleys, planetary gear reducers, worm gears, racks, couplings, and related components. The supplier reports ISO9001:2015 certification, 41–50 quality-control staff, eight R&D engineers, and annual planetary gearbox productivity of 200,000 units. It offers personalized services and describes a quality-first, continuous-improvement approach. Export activity began in 2015, with markets spanning multiple regions and Shenzhen port proximity. Evidence supports production scale, quality-system certification, product customization, and international fulfillment capability. However, the provided information does not establish financial credibility, documented after-sales procedures, or specific customer cases.

Supplier typeThe supplier is identified as a factory in Shenzhen, China, operating in manufacturing. Its legal entity is Shenzhen Hefa Gear Machinery Co., Ltd., established in 2009, with 294 employees.

CertificationsThe supplier explicitly reports holding an ISO9001:2015 certificate. This provides direct evidence of a certified quality management system, although no additional certifications are listed.

R&D capabilityThe supplier reports eight R&D engineers and describes continuous improvement and innovation as operating principles. Its product scope includes precision gears, planetary reducers, and other specialized transmission components, supporting some innovation capability, but no patents, R&D investment, or product-development results are stated.

Production capacityThe supplier has 294 employees, more than 10 production lines, 41–50 quality-control staff, and reported annual productivity of 200,000 planetary gearboxes. It also states an off-peak lead time within 15 working days and peak-season fulfillment of 2–3 months, indicating established production capacity with seasonal variation.

Customization capabilityThe supplier explicitly states that it provides personalized services and focuses on customer participation in the manufacturing process. Its offerings include multiple precision transmission products, while the representative title also references manufacturing and customization; this supports customization capability, though detailed customization boundaries are not specified.

Product Q&A

Q:What is the lead time for delivery?

Usually 7-10 working days, or 20 working days during busy seasons, depending on order quantity.

Q:How do you guarantee product quality?

We always provide a pre-production sample before mass production and conduct final inspection before shipment.

Q:How to choose the suitable planetary gearbox?

Please provide motor parameters such as output speed, torque, voltage, current, IP rating, noise, operating conditions, size, and power, or provide a motor drawing for faster recommendation.

Q:Why buy from us instead of other suppliers?

We are a 22-year experienced manufacturer specializing in various gears, reducers, and transmission parts with advanced CNC facilities.

Q:What services and payment terms do you accept?

We accept Fedex, DHL, UPS delivery; USD, EUR, etc. payments; T/T, L/C, PayPal, Western Union; and speak English, Chinese, Japanese.