APO RESEARCH · REPORT
Internal Gear Pumps
Internal gear pumps use an inner gear meshing with an internally toothed outer gear. Liquid moves around the casing in the spaces between teeth.

Product & engineering
Understand the product.
The internal gear pump is non-pulsing, self-priming, and can run dry for short periods. They're also bi-rotational, meaning that the same pump can be used to load and unload vessels. Because internal gear pumps have only two moving parts, they are reliable, simple to operate, and easy to maintain.
Viscosity affects filling, leakage and required torque. The positive-displacement mechanism requires an accepted pressure-limiting arrangement. Gear geometry and clearances influence performance as the fluid and temperature change.
What turns activity into demand
A pump selected for one liquid can behave differently with a thinner or colder product. Compare the fluid condition along with displacement. Separate complete pumps from repair gears, bushings and drive packages. Displacement per revolution and delivered flow differ when slip is significant.
The commercial boundary
Separate complete pumps from repair gears, bushings and drive packages. Displacement per revolution and delivered flow differ when slip is significant.
Technical reading
Selected research
Industry Research
Internal Gear Pumps Industry Research Report 2026
Market perspective
The internal gear pump is non-pulsing, self-priming, and can run dry for short periods. They're also bi-rotational, meaning that the same pump can be used to load and unload vessels. Because internal gear pumps have only two moving parts, they are reliable, simple to operate, and easy to maintain.
The major players in global Internal Gear Pumps market include Bosch Rexroth, Sumitomo Precision, Viking Pump, etc. The top 3 players occupy about 30% shares of the global market. China and Europe are main markets, they occupy about 50% of the global market. Cast Iron Pumps is the main type, with a share about 55%. Chemical is the main application, which holds a share about 35%.
Report Scope
Read the full market overview
This report quantifies the global Internal Gear Pumps market in revenue (US$ million) and, where applicable, sales volume (K Units), using 2025 as the base year and providing annual historical and forecast data for 2021–2032.
It standardizes definitions of types and applications, harmonizes vendor attribution, and presents comparable time series by company, type, application, and region/country, including indicative price bands (US$/K Units) and concentration ratios (CR5/CR10).
The outputs are intended to support strategy development, budgeting, and performance benchmarking for manufacturers, new entrants, channel partners, and investors; the report also reviews technology shifts and notable product introductions relevant to Internal Gear Pumps.
Key Companies & Market Share Insights
This section profiles leading manufacturers, combining 2021–2025 results with a 2026–2032 outlook. It reports revenue, market share, price bands, product and application mix, regional and channel mix, and key developments (M&A, capacity additions, certifications). It also provides global revenue, average price, and—where applicable—sales volume by manufacturer, and calculates CR5/CR10 and rank changes to support comparative benchmarking.
Internal Gear Pumps Market by Company
Bosch Rexroth
Sumitomo Precision
Viking Pump
Dover
NOP
Voith
Tuthill
Yuken
SPX FLOW
Bucher Hydraulics
Haight Pumps
Hydac International
Daido Machinery
HSP
Shanghai Heshan Pump
Taibang
Chongqing Huanzhou Pumps
Hannuo Pump
Internal Gear Pumps Segment by Type
Steel Pumps
Cast Iron Pumps
Others
Internal Gear Pumps Segment by Application
Chemical
Oil & Gas
Food & Beverage
Others
Internal Gear Pumps Segment by Region
North America
United States
Canada
Mexico
Europe
Germany
France
U.K.
Italy
Russia
Spain
Netherlands
Switzerland
Sweden
Poland
Asia-Pacific
China
Japan
South Korea
India
Australia
Taiwan
Southeast Asia
South America
Brazil
Argentina
Chile
Middle East & Africa
Egypt
South Africa
Israel
Türkiye
GCC Countries
Key Drivers & Barriers
High-impact rendering factors and drivers have been studied in this report to aid the readers to understand the general development. Moreover, the report includes restraints and challenges that may act as stumbling blocks on the way of the players. This will assist the users to be attentive and make informed decisions related to business. Specialists have also laid their focus on the upcoming business prospects.
Reasons to Buy This Report
1. This report will help the readers to understand the competition within the industries and strategies for the competitive environment to enhance the potential profit. The report also focuses on the competitive landscape of the global Internal Gear Pumps market, and introduces in detail the market share, industry ranking, competitor ecosystem, market performance, new product development, operation situation, expansion, and acquisition. etc. of the main players, which helps the readers to identify the main competitors and deeply understand the competition pattern of the market.
2. This report will help stakeholders to understand the global industry status and trends of Internal Gear Pumps and provides them with information on key market drivers, restraints, challenges, and opportunities.
3. This report will help stakeholders to understand competitors better and gain more insights to strengthen their position in their businesses. The competitive landscape section includes the market share and rank (in volume and value), competitor ecosystem, new product development, expansion, and acquisition.
4. This report stays updated with novel technology integration, features, and the latest developments in the market
5. This report helps stakeholders to gain insights into which regions to target globally
6. This report helps stakeholders to gain insights into the end-user perception concerning the adoption of Internal Gear Pumps.
7. This report helps stakeholders to identify some of the key players in the market and understand their valuable contribution.
Chapter Outline
Chapter 1: Research objectives, research methods, data sources, data cross-validation;
Chapter 2: Introduces the report scope of the report, executive summary of different market segments (by region, product type, application, etc), including the market size of each market segment, future development potential, and so on. It offers a high-level view of the current state of the market and its likely evolution in the short to mid-term, and long term.
Chapter 3: Detailed analysis of Internal Gear Pumps manufacturers competitive landscape, price, production and value market share, latest development plan, merger, and acquisition information, etc.
Chapter 4: Provides profiles of key players, introducing the basic situation of the main companies in the market in detail, including product production/output, value, price, gross margin, product introduction, recent development, etc.
Chapter 5: Production/output, value of Internal Gear Pumps by region/country. It provides a quantitative analysis of the market size and development potential of each region in the next six years.
Chapter 6: Consumption of Internal Gear Pumps in regional level and country level. It provides a quantitative analysis of the market size and development potential of each region and its main countries and introduces the market development, future development prospects, market space, and production of each country in the world.
Chapter 7: Provides the analysis of various market segments by type, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different market segments.
Chapter 8: Provides the analysis of various market segments by application, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different downstream markets.
Chapter 9: Analysis of industrial chain, including the upstream and downstream of the industry.
Chapter 10: Introduces the market dynamics, latest developments of the market, the driving factors and restrictive factors of the market, the challenges and risks faced by manufacturers in the industry, and the analysis of relevant policies in the industry.
Chapter 11: The main points and conclusions of the report.
More report detail
Tables and figures
Scope & coverage.
Types
- Steel Pumps
- Cast Iron Pumps
- Others
Applications
- Chemical
- Oil & Gas
- Food & Beverage
- Others
Companies covered
- Bosch Rexroth
- Sumitomo Precision
- Viking Pump
- Dover
- NOP
- Voith
- Tuthill
- Yuken
- SPX FLOW
- Bucher Hydraulics
- Haight Pumps
- Hydac International
- Daido Machinery
- HSP
- Shanghai Heshan Pump
- Taibang
- Chongqing Huanzhou Pumps
- Hannuo Pump
Inside the report.
1 Preface
- 1.1 Scope of Report
- 1.2 Reasons for Doing This Study
- 1.3 Research Methodology
- 1.4 Research Process
- 1.5 Data Source
- 1.5.1 Secondary Sources
- 1.5.2 Primary Sources
2 Market Overview
- 2.1 Product Definition
- 2.2 Internal Gear Pumps by Type
- 2.2.1 Market Value Comparison by Type (2021 VS 2025 VS 2032) & (US$ Million)
- 2.2.2 Steel Pumps
- 2.2.3 Cast Iron Pumps
- 2.2.4 Others
- 2.3 Internal Gear Pumps by Application
- 2.3.1 Market Value Comparison by Application (2021 VS 2025 VS 2032) & (US$ Million)
- 2.3.2 Chemical
- 2.3.3 Oil & Gas
- 2.3.4 Food & Beverage
- 2.3.5 Others
- 2.4 Global Market Growth Prospects
- 2.4.1 Global Internal Gear Pumps Production Value Estimates and Forecasts (2021-2032)
- 2.4.2 Global Internal Gear Pumps Production Capacity Estimates and Forecasts (2021-2032)
- 2.4.3 Global Internal Gear Pumps Production Estimates and Forecasts (2021-2032)
- 2.4.4 Global Internal Gear Pumps Market Average Price (2021-2032)
3 Market Competitive Landscape by Manufacturers
- 3.1 Global Internal Gear Pumps Production by Manufacturers (2021-2026)
- 3.2 Global Internal Gear Pumps Production Value by Manufacturers (2021-2026)
- 3.3 Global Internal Gear Pumps Average Price by Manufacturers (2021-2026)
- 3.4 Global Internal Gear Pumps Industry Manufacturers Ranking, 2024 VS 2025 VS 2026
- 3.5 Global Internal Gear Pumps Key Manufacturers, Manufacturing Sites & Headquarters
- 3.6 Global Internal Gear Pumps Manufacturers, Product Type & Application
- 3.7 Global Internal Gear Pumps Manufacturers Established Date
- 3.8 Global Internal Gear Pumps Market CR5 and HHI
- 3.9 Global Manufacturers Mergers & Acquisition
4 Manufacturers Profiled
- 4.1 Bosch Rexroth
- 4.1.1 Bosch Rexroth Internal Gear Pumps Company Information
- 4.1.2 Bosch Rexroth Internal Gear Pumps Business Overview
- 4.1.3 Bosch Rexroth Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.1.4 Bosch Rexroth Product Portfolio
- 4.1.5 Bosch Rexroth Recent Developments
- 4.2 Sumitomo Precision
- 4.2.1 Sumitomo Precision Internal Gear Pumps Company Information
- 4.2.2 Sumitomo Precision Internal Gear Pumps Business Overview
- 4.2.3 Sumitomo Precision Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.2.4 Sumitomo Precision Product Portfolio
- 4.2.5 Sumitomo Precision Recent Developments
- 4.3 Viking Pump
- 4.3.1 Viking Pump Internal Gear Pumps Company Information
- 4.3.2 Viking Pump Internal Gear Pumps Business Overview
- 4.3.3 Viking Pump Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.3.4 Viking Pump Product Portfolio
- 4.3.5 Viking Pump Recent Developments
- 4.4 Dover
- 4.4.1 Dover Internal Gear Pumps Company Information
- 4.4.2 Dover Internal Gear Pumps Business Overview
- 4.4.3 Dover Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.4.4 Dover Product Portfolio
- 4.4.5 Dover Recent Developments
- 4.5 NOP
- 4.5.1 NOP Internal Gear Pumps Company Information
- 4.5.2 NOP Internal Gear Pumps Business Overview
- 4.5.3 NOP Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.5.4 NOP Product Portfolio
- 4.5.5 NOP Recent Developments
- 4.6 Voith
- 4.6.1 Voith Internal Gear Pumps Company Information
- 4.6.2 Voith Internal Gear Pumps Business Overview
- 4.6.3 Voith Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.6.4 Voith Product Portfolio
- 4.6.5 Voith Recent Developments
- 4.7 Tuthill
- 4.7.1 Tuthill Internal Gear Pumps Company Information
- 4.7.2 Tuthill Internal Gear Pumps Business Overview
- 4.7.3 Tuthill Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.7.4 Tuthill Product Portfolio
- 4.7.5 Tuthill Recent Developments
- 4.8 Yuken
- 4.8.1 Yuken Internal Gear Pumps Company Information
- 4.8.2 Yuken Internal Gear Pumps Business Overview
- 4.8.3 Yuken Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.8.4 Yuken Product Portfolio
- 4.8.5 Yuken Recent Developments
- 4.9 SPX FLOW
- 4.9.1 SPX FLOW Internal Gear Pumps Company Information
- 4.9.2 SPX FLOW Internal Gear Pumps Business Overview
- 4.9.3 SPX FLOW Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.9.4 SPX FLOW Product Portfolio
- 4.9.5 SPX FLOW Recent Developments
- 4.10 Bucher Hydraulics
- 4.10.1 Bucher Hydraulics Internal Gear Pumps Company Information
- 4.10.2 Bucher Hydraulics Internal Gear Pumps Business Overview
- 4.10.3 Bucher Hydraulics Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.10.4 Bucher Hydraulics Product Portfolio
- 4.10.5 Bucher Hydraulics Recent Developments
- 4.11 Haight Pumps
- 4.11.1 Haight Pumps Internal Gear Pumps Company Information
- 4.11.2 Haight Pumps Internal Gear Pumps Business Overview
- 4.11.3 Haight Pumps Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.11.4 Haight Pumps Product Portfolio
- 4.11.5 Haight Pumps Recent Developments
- 4.12 Hydac International
- 4.12.1 Hydac International Internal Gear Pumps Company Information
- 4.12.2 Hydac International Internal Gear Pumps Business Overview
- 4.12.3 Hydac International Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.12.4 Hydac International Product Portfolio
- 4.12.5 Hydac International Recent Developments
- 4.13 Daido Machinery
- 4.13.1 Daido Machinery Internal Gear Pumps Company Information
- 4.13.2 Daido Machinery Internal Gear Pumps Business Overview
- 4.13.3 Daido Machinery Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.13.4 Daido Machinery Product Portfolio
- 4.13.5 Daido Machinery Recent Developments
- 4.14 HSP
- 4.14.1 HSP Internal Gear Pumps Company Information
- 4.14.2 HSP Internal Gear Pumps Business Overview
- 4.14.3 HSP Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.14.4 HSP Product Portfolio
- 4.14.5 HSP Recent Developments
- 4.15 Shanghai Heshan Pump
- 4.15.1 Shanghai Heshan Pump Internal Gear Pumps Company Information
- 4.15.2 Shanghai Heshan Pump Internal Gear Pumps Business Overview
- 4.15.3 Shanghai Heshan Pump Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.15.4 Shanghai Heshan Pump Product Portfolio
- 4.15.5 Shanghai Heshan Pump Recent Developments
- 4.16 Taibang
- 4.16.1 Taibang Internal Gear Pumps Company Information
- 4.16.2 Taibang Internal Gear Pumps Business Overview
- 4.16.3 Taibang Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.16.4 Taibang Product Portfolio
- 4.16.5 Taibang Recent Developments
- 4.17 Chongqing Huanzhou Pumps
- 4.17.1 Chongqing Huanzhou Pumps Internal Gear Pumps Company Information
- 4.17.2 Chongqing Huanzhou Pumps Internal Gear Pumps Business Overview
- 4.17.3 Chongqing Huanzhou Pumps Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.17.4 Chongqing Huanzhou Pumps Product Portfolio
- 4.17.5 Chongqing Huanzhou Pumps Recent Developments
- 4.18 Hannuo Pump
- 4.18.1 Hannuo Pump Internal Gear Pumps Company Information
- 4.18.2 Hannuo Pump Internal Gear Pumps Business Overview
- 4.18.3 Hannuo Pump Internal Gear Pumps Production, Value and Gross Margin (2021-2026)
- 4.18.4 Hannuo Pump Product Portfolio
- 4.18.5 Hannuo Pump Recent Developments
5 Global Internal Gear Pumps Production by Region
- 5.1 Global Internal Gear Pumps Production Estimates and Forecasts by Region: 2021 VS 2025 VS 2032
- 5.2 Global Internal Gear Pumps Production by Region: 2021-2032
- 5.2.1 Global Internal Gear Pumps Production by Region: 2021-2026
- 5.2.2 Global Internal Gear Pumps Production Forecast by Region (2027-2032)
- 5.3 Global Internal Gear Pumps Production Value Estimates and Forecasts by Region: 2021 VS 2025 VS 2032
- 5.4 Global Internal Gear Pumps Production Value by Region: 2021-2032
- 5.4.1 Global Internal Gear Pumps Production Value by Region: 2021-2026
- 5.4.2 Global Internal Gear Pumps Production Value Forecast by Region (2027-2032)
- 5.5 Global Internal Gear Pumps Market Price Analysis by Region (2021-2026)
- 5.6 Global Internal Gear Pumps Production and Value, YOY Growth
- 5.6.1 North America Internal Gear Pumps Production Value Estimates and Forecasts (2021-2032)
- 5.6.2 Europe Internal Gear Pumps Production Value Estimates and Forecasts (2021-2032)
- 5.6.3 China Internal Gear Pumps Production Value Estimates and Forecasts (2021-2032)
- 5.6.4 Japan Internal Gear Pumps Production Value Estimates and Forecasts (2021-2032)
6 Global Internal Gear Pumps Consumption by Region
- 6.1 Global Internal Gear Pumps Consumption Estimates and Forecasts by Region: 2021 VS 2025 VS 2032
- 6.2 Global Internal Gear Pumps Consumption by Region (2021-2032)
- 6.2.1 Global Internal Gear Pumps Consumption by Region: 2021-2026
- 6.2.2 Global Internal Gear Pumps Forecasted Consumption by Region (2027-2032)
- 6.3 North America
- 6.3.1 North America Internal Gear Pumps Consumption Growth Rate by Country: 2021 VS 2025 VS 2032
- 6.3.2 North America Internal Gear Pumps Consumption by Country (2021-2032)
- 6.3.3 United States
- 6.3.4 Canada
- 6.3.5 Mexico
- 6.4 Europe
- 6.4.1 Europe Internal Gear Pumps Consumption Growth Rate by Country: 2021 VS 2025 VS 2032
- 6.4.2 Europe Internal Gear Pumps Consumption by Country (2021-2032)
- 6.4.3 Germany
- 6.4.4 France
- 6.4.5 U.K.
- 6.4.6 Italy
- 6.4.7 Russia
- 6.4.8 Spain
- 6.4.9 Netherlands
- 6.4.10 Switzerland
- 6.4.11 Sweden
- 6.4.12 Poland
- 6.5 Asia Pacific
- 6.5.1 Asia Pacific Internal Gear Pumps Consumption Growth Rate by Country: 2021 VS 2025 VS 2032
- 6.5.2 Asia Pacific Internal Gear Pumps Consumption by Country (2021-2032)
- 6.5.3 China
- 6.5.4 Japan
- 6.5.5 South Korea
- 6.5.6 India
- 6.5.7 Australia
- 6.5.8 Taiwan
- 6.5.9 Southeast Asia
- 6.6 South America, Middle East & Africa
- 6.6.1 South America, Middle East & Africa Internal Gear Pumps Consumption Growth Rate by Country: 2021 VS 2025 VS 2032
- 6.6.2 South America, Middle East & Africa Internal Gear Pumps Consumption by Country (2021-2032)
- 6.6.3 Brazil
- 6.6.4 Argentina
- 6.6.5 Chile
- 6.6.6 Turkey
- 6.6.7 GCC Countries
7 Segment by Type
- 7.1 Global Internal Gear Pumps Production by Type (2021-2032)
- 7.1.1 Global Internal Gear Pumps Production by Type (2021-2032) & (K Units)
- 7.1.2 Global Internal Gear Pumps Production Market Share by Type (2021-2032)
- 7.2 Global Internal Gear Pumps Production Value by Type (2021-2032)
- 7.2.1 Global Internal Gear Pumps Production Value by Type (2021-2032) & (US$ Million)
- 7.2.2 Global Internal Gear Pumps Production Value Market Share by Type (2021-2032)
- 7.3 Global Internal Gear Pumps Price by Type (2021-2032)
8 Segment by Application
- 8.1 Global Internal Gear Pumps Production by Application (2021-2032)
- 8.1.1 Global Internal Gear Pumps Production by Application (2021-2032) & (K Units)
- 8.1.2 Global Internal Gear Pumps Production Market Share by Application (2021-2032)
- 8.2 Global Internal Gear Pumps Production Value by Application (2021-2032)
- 8.2.1 Global Internal Gear Pumps Production Value by Application (2021-2032) & (US$ Million)
- 8.2.2 Global Internal Gear Pumps Production Value Market Share by Application (2021-2032)
- 8.3 Global Internal Gear Pumps Price by Application (2021-2032)
9 Value Chain and Sales Channels Analysis of the Market
- 9.1 Internal Gear Pumps Value Chain Analysis
- 9.1.1 Internal Gear Pumps Key Raw Materials
- 9.1.2 Raw Materials Key Suppliers
- 9.1.3 Internal Gear Pumps Production Mode & Process
- 9.2 Internal Gear Pumps Sales Channels Analysis
- 9.2.1 Direct Comparison with Distribution Share
- 9.2.2 Internal Gear Pumps Distributors
- 9.2.3 Internal Gear Pumps Customers
10 Global Internal Gear Pumps Analyzing Market Dynamics
- 10.1 Internal Gear Pumps Industry Trends
- 10.2 Internal Gear Pumps Industry Drivers
- 10.3 Internal Gear Pumps Industry Opportunities and Challenges
- 10.4 Internal Gear Pumps Industry Restraints
11 Report Conclusion
12 Disclaimer
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