Series 90 piston pumps US

Proven performance

The legend lives on! Our Series 90 High-Power Closed-Circuit pump enjoys a tried-and-true reputation, with millions of units produced over the span of more than three decades.

This perennial powerhouse has flexibility built right in, PLUS+1 Compliance, and is easy to convert or install. Series 90 is the final word in legacy performance.

Features and benefits

Ease of integration with a small and clean footprint
Modular architecture that’s easy to convert and PLUS+1 compliant, give you fast tuning and easy parameter settings
Six displacements available so you can pick the right size for your machine
Long-lasting product life and global service available

Documents

Documents
Type	Name	Language	Valid for	Updated	Download	File type
Service guide	Series 90 100cc Pump Parts Manual	English	Multiple	31 Oct, 2025	14.8 MB	.pdf
Service guide	Series 90 130cc Pump Parts Manual	English	Multiple	16 Dec, 2018	7.0 MB	.pdf
Service guide	Series 90 180cc Pump Parts Manual	English	Multiple	07 Feb, 2019	3.7 MB	.pdf
Service guide	Series 90 250cc Pump Parts Manual	English	Multiple	07 Feb, 2019	2.4 MB	.pdf
Service guide	Series 90 55cc Pump Parts Manual	English	Multiple	21 Feb, 2019	6.1 MB	.pdf
Service guide	Series 90 75cc axial piston pumps parts manual	English	Multiple	03 Oct, 2025	16.7 MB	.pdf
User guide	Series 90 Axial Piston Pumps Technical Information	Chinese	Multiple	01 Dec, 2022	6.8 MB	.pdf
User guide	Series 90 Axial Piston Pumps Technical Information	Japanese	Japan	08 Mar, 2015	4.7 MB	.pdf
User guide	Series 90 Axial Piston Pumps Technical Information	English	Multiple	07 Jan, 2026	6.6 MB	.pdf
Installation guide	Series 90 Charge Pump Design Change Bulletin Unit size (055, 075, 100 or 130 cc)	English	Multiple	08 Mar, 2015	411.2 KB	.pdf

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PLUS+1® licenses

Our new express license enables you to build powerful, customized machine applications on our PLUS+1^® Programmable and Compliant hardware platform. The PLUS+1^® Service Tool comes with a free license for normal view.

PLUS+1® Service Tool

The PLUS+1^® Service Tool is a free application for flashing PLUS+1^® hardware, adjusting parameters, and running machine diagnostic applications.

PLUS+1® development kit and training kit

To get access to and start using the PLUS+1^®Software Tools, please download and install PLUS+1^® update center from the links below.

PLUS+1® programmable and compliant hardware

Our powerful PLUS+1^® microcontrollers bring intelligence to every node of a distributed control system.

PLUS+1® Mobile Service Tool

Transform your mobile device - Android or iOS - into a secure and flexible wireless diagnostics system capable of automatically detecting system error codes and delivering the right information to the right technician or group of technicians.

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PowerSource

Visit PowerSource

Visit PowerSource to view product specifications, literature and helpful tools like product configurators, 2D/3D models, Cross reference, crimp specs and many more.

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