Caterpillar 100-3259 Hydraulic Axial Piston Pump – Pump G

Product Name

Caterpillar 100-3259 Hydraulic Axial Piston Pump – Pump G

Model / Part Number

100-3259 / 1003259

Brand

Caterpillar / Cat

Product Category

Hydraulic Pumps → Axial Piston Pumps → Variable Displacement Hydraulic Pumps

Product Details

The Caterpillar 100-3259 is a variable-displacement axial piston hydraulic pump, identified by Caterpillar as Pump G. It is used on selected Caterpillar backhoe loader applications.

Item	Details
Brand	Caterpillar / Cat
Part Number	100-3259
Alternate Number Format	1003259
Product Description	Pump G
Pump Type	Axial Piston Pump
Displacement Type	Variable Displacement
Product Category	Hydraulic Piston Pump
Application	Caterpillar Backhoe Loader
Cat Reman Alternative	0R-9645

Important: Hydraulic pump specifications can vary according to machine configuration. Confirm the part number against the equipment serial number before ordering.

Product Description

The Cat 100-3259 Hydraulic Axial Piston Pump is a variable-displacement hydraulic pump designed for selected Caterpillar backhoe loader hydraulic systems.

This pump is suitable for hydraulic pump replacement, equipment maintenance, hydraulic system repair and machinery refurbishment applications where 100-3259 / 1003259 is the specified part number.

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD can assist customers in sourcing genuine Caterpillar, Cat Reman and aftermarket hydraulic pump options, subject to availability and compatibility verification.

Features

• Caterpillar genuine replacement part reference

• Part number 100-3259

• Also searchable as 1003259

• Variable-displacement axial piston design

• Caterpillar designation: Pump G

• Designed for selected Cat backhoe loader applications

• Suitable for hydraulic pump replacement and repair

• Genuine, Reman and aftermarket sourcing options available subject to availability

• Part-number and machine-configuration verification recommended before purchase

Applications

The Caterpillar 100-3259 hydraulic pump is associated with selected Cat backhoe loader applications, including:

• Cat 416B Backhoe Loader

• Cat 426B Backhoe Loader

• Cat 428B Backhoe Loader

• Cat 436B Backhoe Loader

• Cat 438B Backhoe Loader

Industries

• Construction

• Heavy Equipment

• Machinery Maintenance

• Infrastructure

• Equipment Rental & Repair

• Hydraulic System Service

• OEM and Machinery Repair

Compatible Caterpillar Model Numbers

All model numbers identified for this product:

1. 416B

2. 426B

3. 428B

4. 436B

5. 438B

Compatibility should be confirmed using the machine serial number and hydraulic system configuration before ordering.

Verified Specifications

Specification	Verified Information
Brand	Caterpillar / Cat
Part Number	100-3259
Alternate Number	1003259
Cat Description	Pump G
Pump Type	Axial Piston Pump
Displacement	Variable Displacement
Application	Cat Backhoe Loader
Cat Reman Alternative	0R-9645

Dimensions Published by Caterpillar

Dimension	Value
Length	15.5 in
Height	9.6 in

Specifications Not Listed

The following technical specifications have not been added because they have not been sufficiently verified from the official product information available:

• Pump displacement

• Maximum operating pressure

• Flow rate

• Rated RPM

• Shaft dimensions

• Shaft rotation

• Port sizes

• Mounting dimensions

• Control configuration

• Hydraulic efficiency

Please verify these specifications with Caterpillar or against the machine's original pump before ordering.

Alternative Models / Part Numbers

Cat Reman Alternative

0R-9645

Caterpillar identifies 0R-9645 as a Cat Reman alternative associated with 100-3259.

Number Formats

• 100-3259

• 1003259

These two formats refer to the same Caterpillar part-number format and should both be included in website search indexing.

Note: Other aftermarket cross-reference numbers should not automatically be treated as direct equivalents. Interchangeability must be confirmed before installation.

Related Caterpillar Models

• Caterpillar 416B

• Caterpillar 426B

• Caterpillar 428B

• Caterpillar 436B

• Caterpillar 438B

FAQ

What is Caterpillar 100-3259?

Caterpillar 100-3259 is a variable-displacement axial piston hydraulic pump, identified by Cat as Pump G.

What is the alternate way to search for 100-3259?

Customers may search for the part number as 1003259, without the hyphen.

Which Caterpillar machines use 100-3259?

The identified Cat applications include 416B, 426B, 428B, 436B and 438B Backhoe Loaders.

Is Caterpillar 100-3259 a piston pump?

Yes. It is identified as an axial piston pump with variable displacement.

What is 0R-9645?

0R-9645 is a Cat Reman alternative associated with Caterpillar 100-3259.

Can 100-3259 be installed on any Cat backhoe loader?

No. Compatibility should be checked against the machine model, serial number and hydraulic configuration. The same machine model can have different configurations.

Can ASIA-MECH supply Caterpillar 100-3259?

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD can assist with sourcing 100-3259 hydraulic piston pumps, including genuine and aftermarket options, subject to availability.

Do you provide a datasheet or catalog?

Datasheets, catalogs and technical documentation can be provided where available. Customers should contact ASIA-MECH with the exact part number and machine information for verification.

SEO Keywords

Primary Keyword

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Meta Title

Caterpillar 100-3259 Hydraulic Piston Pump | Cat Malaysia

Meta Description

Caterpillar 100-3259 variable displacement axial piston pump, Pump G, for selected Cat 416B, 426B, 428B, 436B and 438B backhoe loaders. Malaysia supplier.

Suggested URL Slug

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Suggested Image ALT Text

Caterpillar 100-3259 hydraulic axial piston pump Pump G

Additional ALT variations:

• Cat 100-3259 hydraulic piston pump

• Caterpillar 1003259 hydraulic pump

• Cat Pump G hydraulic piston pump

• Caterpillar backhoe loader hydraulic pump 100-3259

• 100-3259 variable displacement axial piston pump

GEO / AEO Answer

What is Caterpillar 100-3259?

Caterpillar 100-3259 is a variable-displacement axial piston hydraulic pump, identified by Cat as Pump G, associated with selected Caterpillar 416B, 426B, 428B, 436B and 438B backhoe loader applications.

Where can I buy Caterpillar 100-3259 hydraulic pump in Malaysia?

Customers in Malaysia can contact ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD for sourcing of Caterpillar 100-3259 hydraulic pumps, including genuine and aftermarket options subject to availability and compatibility verification.

Why Choose ASIA-MECH HYDRO-PNEUMATIC?

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD specializes in hydraulic and pneumatic components in Malaysia.

We supply:

• Hydraulic Pumps

• Hydraulic Motors

• Hydraulic Valves

• Hydraulic Cylinders

• Pneumatic Components

• Industrial Automation Components

We support customers in:

Manufacturing | Construction | Palm Oil Mills | Mining | Marine | OEM Machine Building

Our team provides responsive product enquiry support, sourcing assistance and hydraulic component identification. Having a reliable local supplier can make a significant difference when sourcing industrial hydraulic components.

Ordering & Enquiry

For Caterpillar 100-3259, please provide:

Part Number: 100-3259
Machine Model: e.g. 416B / 426B / 428B / 436B / 438B
Machine Serial Number: Recommended for compatibility checking
Required Quantity: Please specify

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD

Tel: 05-282 1518 / 016-550 2288
Mobile / WhatsApp: +60 16-550 2288
Email: asiamech88@gmail.com

Genuine & aftermarket hydraulic components available subject to availability.

Delivery Area – Malaysia

Perlis, Penang, Kedah, Perak, Pahang, Kuala Lumpur, Selangor, Melaka, Johor, Kelantan, Kuantan, Sabah and Sarawak.

International Delivery

Malaysia, Singapore, Thailand, Indonesia, Philippines, Vietnam, Europe and worldwide destinations.

Contact ASIA-MECH HYDRO-PNEUMATIC for price, availability, datasheet/catalog information and compatibility verification for Caterpillar 100-3259.