OEM Screw Jack Replacement Guide: Direct-Fit Alternatives for Major Brands

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Technical guides, supplier insights, and engineering knowledge for gearboxes, screw jacks, and drive systems.

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When an industrial screw jack needs to be replaced, selecting a unit with a similar load capacity or gear ratio does not necessarily mean it will fit the existing equipment. Screw jacks from different manufacturers may vary in mounting dimensions, connection interfaces, screw specifications, and mechanical configurations.

For equipment maintenance, spare parts replacement, and industrial machinery applications, finding a direct-fit replacement screw jack that can be installed without modifying the existing equipment is essential.

LiuDrive specializes in manufacturing direct-fit replacement screw jacks for international brands, including ZIMM, INKOMA / ALBERT, Duff-Norton, Joyce Dayton, Power Jacks, NOOK, PFAFF-silberblau, UNIMEC, Tsubaki, and more.

Our replacement screw jacks are manufactured to match the original mounting dimensions, interfaces, screw specifications, stroke lengths, gear ratios, and configurations, allowing direct installation without modifications to the existing equipment.

We serve industrial spare parts distributors, original equipment manufacturers (OEMs), and maintenance, repair, and operations (MRO) customers worldwide, supporting individual replacements, small orders, and batch production.

Why Choose LiuDrive for Screw Jack Replacements?

  • 1:1 Direct-Fit Replacement: Matching original mounting dimensions, connection interfaces, and required mechanical specifications for installation without equipment modifications.
  • Extensive Brand Coverage: Replacement solutions for a wide range of European, American, and Japanese screw jack brands and series.
  • Flexible Order Quantities: Minimum order quantity of just 1 unit, with support for individual and batch orders.
  • Fast Production: Typical lead time of 7–20 days, with selected models available in as little as 3 days.
  • Custom Manufacturing: Various screw configurations, stroke lengths, end fittings, and accessories.
  • Technical Support: Original model identification, specification verification, and technical drawing review.


1. What Is a 1:1 Direct-Fit Screw Jack Replacement?

A 1:1 direct-fit screw jack replacement is manufactured to match the original model’s critical mounting dimensions, connection interfaces, and mechanical specifications, allowing it to be installed in the same position without modifying the existing equipment.

Unlike selecting a similar screw jack based only on load capacity or gear ratio, a direct-fit replacement must match the original installation requirements and mechanical configuration.

Key Specifications for Direct-Fit Replacement

1. Housing and Mounting Dimensions

We match the original housing mounting dimensions, mounting hole positions, and related installation dimensions to ensure the replacement fits the existing equipment.

2. Input Shaft and Connection Interfaces

We match the original input shaft dimensions, shaft extensions, keyways, and relevant drive connection interfaces.

3. Screw Specifications and Stroke

We match the original screw diameter, thread pitch or lead, stroke length, and associated connection dimensions.

4. Gear Ratio

We match the original gear ratio and corresponding screw drive configuration.

5. Screw Jack Configurations

We manufacture replacement screw jacks in the configurations required by the original model:

  • Translating Screw
  • Translating Screw—Anti-Rotation
  • Rotating Screw

Both trapezoidal/Acme screw and ball screw designs are available.

6. End Fittings and Accessories

We match the required end connection dimensions and offer corresponding accessories, including end fittings, protective tubes, handwheels, limit switches, motor flanges, adapters, and couplings.

LiuDrive manufactures replacement screw jacks based on the original model, focusing on accurate mounting dimensions, connection interfaces, and mechanical configurations to ensure direct installation without modifications to the existing equipment.


2. Screw Jack Brands and Series We Replace

LiuDrive manufactures direct-fit replacement screw jacks for a wide range of international brands, covering worm gear screw jacks, bevel gear screw jacks, trapezoidal screw jacks, ball screw jacks, and custom configurations.

Below are the major brands and product series we support.

ZIMM Screw Jack Replacements

LiuDrive manufactures replacement screw jacks for various ZIMM series, including:

  • Z Series
  • ZE Series
  • ZE-H Series
  • GSZ Series

We match the original mounting dimensions, connection interfaces, screw specifications, stroke lengths, and mechanical configurations for direct replacement.

INKOMA / ALBERT Screw Jack Replacements

We manufacture replacement screw jacks for INKOMA / ALBERT series, including:

  • HSG Series: Cubic Worm Gear Screw Jacks
  • HSGK Series: High-Performance Worm Gear Screw Jacks
  • SGT Series: Classic Screw Jacks
  • KSH Series: High-Speed Bevel Gear Screw Jacks

We support different screw configurations, stroke lengths, gear ratios, and mounting arrangements, along with corresponding connection components and accessories.

Duff-Norton Screw Jack Replacements

LiuDrive manufactures replacement solutions for various Duff-Norton screw jack types, including:

  • Machine Screw Actuators
  • Ball Screw Actuators
  • Anti-Backlash Actuators
  • Stainless Steel Actuators
  • Continuous Duty Actuators

We match the original mounting dimensions, connection interfaces, and relevant mechanical specifications to meet direct replacement requirements.

Joyce Dayton Screw Jack Replacements

We manufacture replacements for various Joyce Dayton screw jack configurations, including:

  • Worm Gear Machine Screw Jacks
  • Ball Screw Jacks
  • Metric Screw Jacks
  • Translating Screw and Rotating Screw Configurations

Replacement units are manufactured to match the original mounting interfaces, screw specifications, stroke lengths, and end connection arrangements.

Power Jacks Screw Jack Replacements

LiuDrive manufactures replacement screw jacks for various Power Jacks series, including:

  • E-Series
  • C-Series
  • M-Series

Replacement solutions for other special configurations and custom models can also be reviewed based on the original product specifications.

Our replacements are manufactured to match the original mounting dimensions and mechanical interfaces for direct installation.

NOOK Screw Jack Replacements

LiuDrive manufactures replacement screw jacks for NOOK products, including the ActionJac series:

  • Machine Screw Jacks
  • Ball Screw Jacks
  • Stainless Steel Machine Screw Jacks
  • Metric and Imperial Configurations

We match the original mounting dimensions, connection interfaces, screw specifications, and mechanical configurations.

PFAFF-silberblau Screw Jack Replacements

Our replacement range covers major PFAFF-silberblau series, including:

  • SHE Series
  • SHE-S Series
  • SSP Series
  • HSE Series
  • MERKUR Series
  • SHG Series

We support different mounting arrangements, screw configurations, stroke lengths, and end connection options.

UNIMEC Screw Jack Replacements

LiuDrive manufactures replacements for UNIMEC trapezoidal screw jacks, ball screw jacks, and stainless steel screw jack configurations.

We match the original mounting dimensions, connection interfaces, and mechanical configurations for direct installation.

Tsubaki Screw Jack Replacements

We manufacture replacement screw jacks for Tsubaki series, including:

  • JWM Series
  • JWB Series
  • JWH Series
  • JWL Series
  • JWM-S Series
  • JWB-S Series

We support trapezoidal and ball screw designs in various configurations for individual replacements and multi-jack lifting systems.

Makishinko Screw Jack Replacements

LiuDrive manufactures replacement screw jacks for Makishinko series, including:

  • JA / JAH / JAS / JTA Series
  • JB / JBH / JTB Series
  • NX / BX Series

Our replacement range covers worm gear and bevel gear screw jack configurations, matching the original mounting dimensions and mechanical interfaces.

Servomech Screw Jack Replacements

We support replacement requirements for Servomech screw jack series, including MA, M, and HSA.

Replacement units are manufactured to match the original mounting dimensions, connection interfaces, screw specifications, and mechanical configurations.

SETEC Screw Jack Replacements

LiuDrive manufactures replacement screw jacks for SETEC series, including:

  • SEL Series
  • SEP Series

We match the original mounting dimensions, gear ratios, screw configurations, stroke lengths, and related connection arrangements.

Other Screw Jack Brands

We also support replacement requirements for NEFF, GROB, NOZAG, Thomson, Kelston, WMH Herion, ENZFELDER, Marzorati, Chiaravalli, Benzlers, BJ-Gear, and other international screw jack manufacturers.

If your brand or model is not listed, simply send us the original brand, model number, or product photos. We can review the specifications and confirm the available replacement solution.


3. How Do We Confirm a Direct-Fit Screw Jack Replacement?

For customers replacing an existing screw jack, we follow a straightforward process to identify and confirm the replacement specifications.

Step 1: Identify the Original Brand and Model

Customers typically only need to provide the original brand and complete model number. Nameplate photos, product photos, or technical drawings can also be provided.

LiuDrive can identify the screw jack specifications and configuration based on the original model number.

Step 2: Verify Mounting Dimensions and Mechanical Specifications

Based on the original model, we verify the mounting dimensions, connection interfaces, screw specifications, stroke length, gear ratio, and mechanical configuration to ensure the replacement matches the original unit.

Step 3: Technical Confirmation and Drawing Review

Technical drawings can be provided as needed for customers to review mounting dimensions, connection interfaces, and mechanical configurations.

Relevant technical specifications are confirmed before production.

Step 4: Production and Delivery

Production is arranged once the order and relevant technical specifications are confirmed.

The typical production lead time is 7–20 days, with selected models available in as little as 3 days. Lead times for special configurations and custom products are confirmed in the quotation.

International delivery can be arranged by express courier, air freight, or sea freight according to customer requirements.


4. Who Can Benefit from LiuDrive Screw Jack Replacements?

Maintenance, Repair, and Operations (MRO)

For industrial equipment requiring screw jack replacement due to wear, damage, or maintenance needs, LiuDrive manufactures direct-fit replacements based on the original model, allowing installation without modifications to the existing mounting arrangement.

We support individual spare parts orders, with a minimum order quantity of 1 unit.

Industrial Spare Parts Distributors

For distributors supplying spare parts for multiple international brands, LiuDrive provides replacement manufacturing services covering a wide range of screw jack brands and models.

We support small orders, repeat purchases, OEM/ODM manufacturing, and private labeling, helping distributors expand their replacement product offerings.

Original Equipment Manufacturers (OEMs)

For equipment manufacturers already using screw jacks from specified brands, we manufacture replacements based on the existing installation specifications.

We also support custom stroke lengths, end fittings, and different screw configurations.

Synchronized Screw Jack Lifting Systems

In addition to individual screw jacks, LiuDrive supplies complete synchronized screw jack lifting systems.

Depending on project requirements, we can provide screw jacks, connecting shafts, couplings, bevel gearboxes, motors, and control systems for synchronized multi-point lifting.


5. Why Choose LiuDrive as Your Screw Jack Replacement Supplier?

1:1 Direct-Fit Replacement

We manufacture replacement screw jacks to match the original mounting dimensions, connection interfaces, screw specifications, stroke lengths, gear ratios, and mechanical configurations, allowing direct installation into existing equipment.

Extensive Brand and Series Coverage

We support a wide range of European, American, and Japanese screw jack brands, covering different sizes, configurations, and product series.

MOQ of 1 Unit and Flexible Order Quantities

Whether you need a single MRO replacement, a small spare parts order, or batch quantities for distribution and OEM applications, LiuDrive supports flexible production.

Minimum Order Quantity: 1 unit

Fast Production Lead Times

The typical production lead time for replacement screw jacks is 7–20 days.

Selected models can be completed in as little as 3 days for urgent replacement requirements.

Actual lead times depend on the model, order quantity, and customization requirements.

Technical Support and Custom Manufacturing

We support original model identification, specification verification, and custom manufacturing, including:

  • Various screw configurations and drive types
  • Custom screw lengths and stroke lengths
  • Anti-rotation designs
  • Different end fittings
  • Handwheels, protective tubes, and limit switches
  • Motor flanges, adapters, and couplings
  • Complete synchronized screw jack lifting systems

Technical drawings can be provided as needed for customers to review mounting dimensions and configurations.

OEM/ODM and International Supply Support

LiuDrive provides OEM/ODM manufacturing, private labeling, and international shipping services for industrial spare parts distributors, equipment manufacturers, and industrial customers worldwide.

Flexible delivery terms and shipping arrangements are available according to order requirements.


6. Frequently Asked Questions

1. Which screw jack brands can LiuDrive replace?

LiuDrive manufactures replacement screw jacks for ZIMM, INKOMA / ALBERT, Duff-Norton, Joyce Dayton, Power Jacks, NOOK, PFAFF-silberblau, UNIMEC, Tsubaki, Makishinko, Servomech, SETEC, and other international brands.

If your brand or model is not listed, send us the available product information so we can confirm a suitable replacement solution.

2. Can the replacement screw jack be installed without modifying the existing equipment?

Yes. LiuDrive manufactures direct-fit replacement screw jacks to match the original mounting dimensions, interfaces, and required mechanical specifications, allowing installation without modifications to the existing equipment.

3. Will the replacement screw jack look exactly the same as the original?

Not necessarily. The external appearance, color, or surface finish may differ from the original product. However, the required mounting dimensions, connection interfaces, and mechanical specifications are matched to the original model to ensure direct-fit installation.

4. What information is required to request a quotation?

The original brand and complete model number are usually sufficient to start an inquiry. You can also provide nameplate photos, product photos, or technical drawings to help us confirm the replacement requirements.

5. Can you supply different screw jack configurations and accessories?

Yes. We manufacture Translating Screw, Translating Screw—Anti-Rotation, and Rotating Screw configurations, including trapezoidal and ball screw designs.

Depending on the original model and requirements, we can also supply end fittings, handwheels, protective tubes, limit switches, motor flanges, adapters, and couplings.

6. Can LiuDrive supply complete synchronized screw jack lifting systems?

Yes. We can supply complete synchronized lifting systems consisting of multiple screw jacks, connecting shafts, couplings, bevel gearboxes, motors, and control systems according to project requirements.

7. Can I review technical drawings before production?

Yes. Technical drawings can be provided as needed for the project to confirm mounting dimensions, interfaces, and configurations before production.

8. What is your minimum order quantity and production lead time?

Our minimum order quantity is 1 unit. The typical production lead time is 7–20 days. Selected models can be manufactured in as little as 3 days, depending on specifications and production availability.


7. Request a Direct-Fit Screw Jack Replacement

Whether you need to replace an existing screw jack or source replacement units for your customers, LiuDrive manufactures direct-fit alternatives based on the original model and installation requirements.

Simply send us the original brand, complete model number, nameplate or product photos, and required quantity.

We will confirm the replacement specifications and provide a quotation.

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Martin Liu
Power Transmission Specialist
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