Gearbox Dust Cover for Industrial & Agricultural Gearboxes

Ever-Power manufactures gearbox dust covers at our China production facility. We offer seven model configurations ranging from 110mm to 150mm height specifications, designed to fit agricultural PTO gearboxes, planetary reducers, and worm drive systems. Each manufacturer batch undergoes dimensional inspection before shipment. Standard models feature oval or circular profiles with shaft diameters between 59.5mm and 68mm. The factory maintains inventory of common sizes for immediate delivery, while custom orders follow a 15-30 day production schedule. Contact us with your gearbox specifications for price quotes on single units or volume orders.

Product Overview

Ever-Power specializes in manufacturing precision-engineered gearbox dust covers designed to protect power transmission equipment from environmental contaminants. Our comprehensive product line addresses the critical need for gearbox protection across agricultural, industrial, and heavy equipment applications.

These protective covers serve as the first line of defense against dust, moisture, debris, and particulate matter that can compromise gearbox performance and longevity. With multiple configurations and size options, our dust covers accommodate diverse gearbox designs while maintaining ease of installation and serviceability.

Gearbox Dust Cover factory

Product Specifications

1

150mm High Large Oval Dust Cover

150mm High Large Oval

  • Height: 343mm
  • Outer Diameter: Ø187×272mm
  • Inner Diameter: Ø60mm
  • Length: 147mm
  • Application: Large agricultural & industrial gearboxes
2

150mm High Oval with Straight Tube Cover

150mm High Oval with Straight Tube

  • Height: 290mm
  • Outer Diameter: 222mm
  • Inner Diameter: Ø60mm
  • Length: 209.5mm
  • Feature: Extended shaft protection
3

150mm Standard Oval Dust Cover

150mm Standard Oval

  • Height: 272mm
  • Outer Diameter: 202mm
  • Inner Diameter: Ø59.5mm
  • Length: 146mm
  • Application: Medium-duty gearboxes
4

150mm High Gearbox Cover with Cap

150mm High with Cap

  • Outer Diameter: Ø220mm
  • Inner Diameter: Ø60mm
  • Total Length: 188.7mm
  • Cap Section: 75mm
  • Feature: Integrated cap design
5

150mm High Gearbox Cover with Cap

150mm High Gearbox Assembly

  • Outer Diameter: Ø155-Ø210mm
  • Inner Diameter: Ø60mm
  • Total Length: 153mm
  • Feature: Multi-stage sealing system
6

110mm High with Sleeve Gearbox Cover

110mm High with Sleeve

  • Height: 190mm
  • Outer Diameter: Ø226mm
  • Center Hole: Ø63mm
  • Total Length: 148mm
  • Feature: Two-piece design
7

110mm High Cap Seat Gearbox Cover

110mm High Cap Seat

  • Height: 190mm
  • Outer Diameter: Ø216.5mm
  • Center Hole: Ø68mm
  • Length: 106mm
  • Application: Compact installations

Key Functions & Benefits

🛡️

Contamination Prevention

Blocks dust, dirt, and particulate matter from entering gearbox internals

💧

Moisture Protection

Shields components from water, humidity, and condensation damage

⚙️

Extended Service Life

Reduces wear and tear, significantly extending gearbox lifespan

💰

Cost Reduction

Minimizes maintenance expenses and unexpected repair costs

🔒

Lubricant Retention

Maintains proper lubrication levels and prevents oil leakage

📊

Performance Optimization

Ensures consistent efficiency and reliable operation

Compatible Gearbox Types

Our dust covers are engineered to protect various gearbox configurations across multiple industries:


Agricultural Gearbox

Agricultural Gearbox

Specifically designed for agricultural machinery including tractors, harvesters, rotary tillers, and mowers. Protects PTO gearboxes from crop residue, soil particles, and field moisture in demanding farm environments.

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Planetary Gearbox

Planetary Gearbox

Compatible with precision planetary gear systems used in automation, robotics, and high-torque applications. Critical contamination control for maintaining low backlash and extended service intervals.

Explore Options →

Worm Gearbox

Worm Gearbox

Suitable for worm gear reducers in elevators, conveyors, and positioning systems. Essential shaft sealing protection for right-angle drives requiring self-locking capabilities and high reduction ratios.

View Products →

 

Additional Compatible Applications:

✓ Industrial Speed Reducers
✓ Right-Angle Gearboxes
✓ Helical Gear Drives
✓ Bevel Gearboxes
✓ Marine Transmission Systems
✓ Mining Equipment Gearboxes

How to Select the Right Dust Cover

1

Measure Dimensions

Accurately measure shaft diameter, gearbox housing diameter, and required coverage length. Verify clearance space for installation.

2

Assess Environment

Evaluate dust levels, moisture exposure, temperature extremes, and chemical presence in your operating environment.

3

Choose Configuration

Select between standard, extended, straight tube, or two-piece designs based on your specific application needs.

4

Match Size

110mm series for compact gearboxes (Ø155-170mm). 150mm series for medium to large applications (Ø180mm+).

5

Consider Installation

Evaluate accessibility, maintenance frequency, mounting compatibility, and required tools for installation.

Expert Support

Contact our technical team for personalized recommendations based on your specific requirements.

Why Replace Your Gearbox Dust Cover?

⚠️

Critical Warning Signs

Regular inspection and timely replacement of worn dust covers prevents costly gearbox damage and unexpected downtime.

🔴 Physical Damage

Cracks, tears, punctures, or deformation compromise sealing effectiveness and allow contaminant ingress.

🔴 Material Degradation

UV exposure, chemical contact, and temperature cycling cause brittleness, hardening, or material breakdown.

🔴 Seal Failure

Worn or damaged seals allow dust entry and lubricant leakage, reducing gearbox protection and efficiency.

🔴 Mounting Issues

Loose fit, improper alignment, or mounting bracket failure creates gaps where contaminants can enter.

🔴 Visible Contamination

Dust accumulation inside the cover or on the gearbox housing indicates inadequate protection.

🔴 Age-Related Wear

Covers exceeding their service life (typically 2-5 years depending on conditions) should be replaced proactively.

✅ Replacement Benefits

Timely dust cover replacement prevents internal gearbox damage that costs 10-50 times more than the cover itself. Regular replacement intervals maintain optimal protection, extend equipment service life, and minimize unplanned downtime.

Why Choose Ever-Power Dust Covers?

🏭

Precision Manufacturing

Advanced machining equipment and strict dimensional tolerances ensure perfect fit and consistent quality across all products.

🔬

Superior Materials

High-grade materials selected for durability, chemical resistance, temperature stability, and extended service life in harsh environments.

Rigorous Quality Control

Every unit undergoes dimensional inspection and performance testing before shipment to guarantee reliability and fit.

📦

Extensive Inventory

Common sizes stocked for immediate delivery. Custom specifications and OEM orders scheduled efficiently for larger requirements.

🔧

Custom Engineering

Technical team available to adapt existing designs or develop new configurations based on specific application needs.

🌍

Global Experience

Proven performance across diverse climates and applications worldwide, from agricultural fields to industrial facilities.

What Our Customers Say

"

"The Ever-Power dust covers have significantly reduced maintenance costs on our agricultural fleet. After two harvest seasons in extremely dusty conditions, the covers still provide excellent protection. Highly recommended for farm equipment."

Michael Thompson

Operations Manager, Midwest Farming Co., USA

"

"Perfect fit for our planetary gearbox assemblies. The precision manufacturing is evident in the tight tolerances and consistent quality. We've standardized on Ever-Power dust covers across our entire production line."

Hans Mueller

Chief Engineer, Precision Drives GmbH, Germany

"

"Excellent durability in our marine environment. The covers resist salt water exposure and UV degradation better than previous suppliers. Easy installation and competitive pricing make this an outstanding value."

James Robertson

Maintenance Supervisor, Coastal Marine Services, Australia

Frequently Asked Questions

Q: What materials are the dust covers made from?

Our dust covers are manufactured from high-grade thermoplastic materials selected for their durability, chemical resistance, and temperature stability. The specific material composition varies by model to optimize performance for different applications, including UV-resistant compounds for outdoor use and chemical-resistant formulations for industrial environments.

Q: How do I determine which model fits my gearbox?

Measure three critical dimensions: output shaft diameter, gearbox housing diameter, and desired coverage length. Compare these measurements with our specification table. For the 110mm series, housing diameters typically range from Ø155-170mm. The 150mm series accommodates Ø180-272mm. If you're uncertain, contact our technical team with your gearbox model and dimensions for a recommendation.

Q: What is the expected service life of these covers?

Service life varies based on operating conditions. In typical agricultural applications with seasonal use, expect 3-5 years. Continuous industrial operation may require replacement every 2-3 years. Harsh environments (extreme temperatures, chemical exposure, UV) may reduce service life. Regular inspection every 6-12 months helps identify wear before protection is compromised.

Q: Can these covers be used with existing gearbox mounting hardware?

Yes, our covers are designed for compatibility with standard gearbox configurations and mounting arrangements. The covers include provisions for common mounting methods including snap-fit, bolted flanges, and clamp-ring systems. For custom or non-standard applications, we can provide modified designs or adapters to ensure proper fit and secure installation.

Q: Do you offer bulk pricing for large orders?

Yes, we provide volume discounts for orders of 50+ units. OEM customers and distributors receive special pricing structures. Contact our sales team with your quantity requirements and delivery schedule for a customized quote. We maintain flexible production scheduling to accommodate both small replacement orders and large-scale equipment manufacturing programs.

Q: What is the operating temperature range?

Standard models operate effectively in temperatures from -30°C to +80°C (-22°F to +176°F). For extreme temperature applications, we offer specialized materials that extend the range to -40°C to +120°C. Specify your operating temperature range when ordering to ensure the appropriate material selection for your application.

About Ever-Power

Ever-Power operates a comprehensive manufacturing facility specializing in power transmission components and protection systems. Our product portfolio includes gearbox dust covers, agricultural gearboxes, planetary reducers, worm gearboxes, PTO shafts, hydraulic cylinders, and a complete range of industrial drive components.

With advanced CNC machining centers, precision grinding equipment, and automated assembly lines, we maintain consistent quality standards across all product categories. Our engineering team works directly with customers to develop custom solutions for OEM applications and unique installation requirements.

Quality assurance procedures include dimensional inspection, material verification, and performance testing. Technical support staff provide product selection guidance, installation assistance, and troubleshooting support to ensure successful implementation of our products in your equipment.

Ever Power factory

Explore Our Product Range

⚙️

PTO Shafts

Complete range of power take-off shafts for agricultural and industrial applications, including telescopic, wide-angle, and friction clutch models.

View Products

🔧

Hydraulic Cylinders

Precision-engineered hydraulic cylinders for agricultural equipment, construction machinery, and industrial automation systems.

View Products

Drive Components

Comprehensive selection of couplings, universal joints, sprockets, sheaves, and other power transmission components.

View Products

Ready to Protect Your Gearboxes?

Contact Ever-Power today for product specifications, technical assistance, and competitive quotations.

Get Started Now →

Additional information

Editor

CX

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.

pruduct quality report

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
product materials available

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
product finishing

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
product packages

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