What is the delivery time for orders?

Normally, it takes 25-30 working days for RV series worm gearboxes in a 20' container, and 35-40 working days for helical gearmotors.

High Precision Helical Worm Speed Reducer Gearbox

Name: High Precision Helical Worm Speed Reducer Gearbox
Brand: SLER TRANSMISSION DEVICES (HANGZHOU) CO., LTD.
SKU: 2019003545

Zhejiang, ChinaSLER TRANSMISSION DEVICES (HANGZHOU) CO., LTD.

US$40.00-200.00

5 Pieces

Product profile

Customization

Available

Application

Motor, Motorcycle, Machinery, Agricultural Machinery

Hardness

Hardened Tooth Surface

Model NO.

SAF 77 D100M4

Installation

M1-M6

Layout

Coaxial

Gear Shape

Cylindrical Gear

Step

Double-Step

Type

Gear Reducer

Rated Power

2.2kw

Output Speed

44rpm

Output Torque

425nm

Ratio

32.38I

Transport Package

Plywood Box or Carton Box

Specification

37-97

Trademark

SLER

Origin

Zhejiang, China

HS Code

84834030

Production Capacity

200pieces/Day

Key features

High Efficiency Design: Combination with helical gear stage significantly increases efficiency compared to pure worm gear units.

Quiet Operation: Linear power transmission makes the helical-worm gear units especially quiet during operation.

Cost-Effective Simplicity: Simple design ensures cost-effectiveness for implementing simple tasks in machine or plant applications.

Flexible Output Configurations: Options include solid shaft, hollow shaft, flange-mounted, and various keyed or splined connections.

Custom OEM/ODM Support: Professional R&D department offers customized design based on drawings, samples, or specific requirements.

Trial Order Accepted: Glad to accept trial orders of 1 pc per item for quality testing before bulk purchasing.

One Year Warranty: Provides one year warranty against B/L date, with spare parts or new products replacement for quality issues.

Company profile

SLER TRANSMISSION DEVICES (HANGZHOU) CO., LTD.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2022-08-29Nearest Port: Ningbo, Shanghai, YiwuAverage Response Time: ≤3.73hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummarySLER Transmission Devices (Hangzhou) Co., Ltd. is identified as a Chinese manufacturer/factory and limited company producing industrial gearmotors, gear reducers, and related transmission equipment. Evidence indicates five production lines, a 10,000 sqm production facility, CNC and gear-processing equipment, annual output of 45,000 helical gear reducers, and ISO 9001 quality management certification. The supplier reports 7–12 days for regular models in one description and within 15 workdays for both off-peak and peak periods in another. Its modular product design supports case-by-case solutions, while in-house final assembly and stated product configurations indicate customization potential. R&D experience and quality-control staffing are documented, but after-sales service arrangements and customer cases are not provided. Financial information is limited to registered capital data, which is not sufficient to establish overall financial credibility.

Supplier typeThe supplier is described as a manufacturer/factory and a limited company based in Hangzhou, China. Its stated business scope and product keywords center on industrial gearmotors, gear reducer units, worm gearboxes, and related machinery components.

CertificationsThe supplier explicitly reports ISO 9001 certification and states that quality is controlled through 48 inspections covering factors such as dimensional tolerance, load, noise, hardness, and appearance. This provides direct evidence of a documented quality-management system.

R&D capabilityThe supplier reports 6–10 years of R&D engineer experience, modular-design gear reducers, variable configurations across five product categories, and CNC, gear hobbing, and grinding equipment. These facts support product-development and engineering capability, although no patents, new-product history, or quantified R&D results are provided.

Production capacityProduction evidence includes a 10,000 sqm facility, five production lines, CNC and gear-processing machinery, in-house final assembly, and reported annual output of 45,000 helical gear reducers. The supplier also states lead times of 7–12 days for regular models and within 15 workdays during both off-peak and peak periods.

Customization capabilityThe supplier states that modular-design gear reducers are configured with customers case by case to identify suitable solutions, and it offers multiple gearmotor and gearbox series with variable configurations. This is explicit evidence of product configuration and customization capability, though the scope of fully bespoke engineering is not specified.

Product Q&A

Q:What payment methods are accepted?

You can pay via T/T (30% deposit + 70% balance), L/C, or D/P.

Q:How is product quality guaranteed?

We offer a one-year warranty against B/L date. If quality problems occur, send pictures or videos for verification, and we will replace them with spare parts or new products. This excludes inappropriate operation or wrong specification selection.

Q:How should I select the correct model?

Email us the series code (e.g., RC series) and details like motor power, output speed, ratio, service factor, or application. Providing pictures or drawings is also helpful.

Q:What if I cannot find the product on your website?

We offer three options: 1. Email pictures/drawings for custom design based on standard models. 2. Send samples for OEM/ODM customization. 3. We can develop new products for special applications like agitators or cement conveyors.

Q:Can I buy a single unit for testing?

Yes, we accept trial orders of 1 pc per item for quality testing purposes.