Caterpillar 161-6634 Hydraulic Piston Pump

Product Name: Caterpillar 161-6634 Hydraulic Piston Pump
Model / Part Number: 161-6634
Alternate Part Number: 1616634
Component Description: Pump Group – Piston / Slipper Piston Pump
Brand: Caterpillar / Cat
Product Category: Hydraulic Pumps → Hydraulic Piston Pumps

Product Details

The Caterpillar 161-6634 is a Cat Slipper Piston Pump, designed to convert mechanical energy into hydraulic energy through reciprocating piston action. Caterpillar's official parts listing identifies 161-6634 as a slipper piston pump and lists it for selected Cat backhoe loader applications. (Cat Parts Store)

This hydraulic piston pump is suitable for replacement and maintenance applications where the original Cat 161-6634 pump is required. Availability may include genuine Caterpillar, Cat Reman, or qualified aftermarket replacement options depending on sourcing requirements.

Important: Always verify the machine serial number, existing pump identification and configuration before ordering. Caterpillar states that configuration changes can affect component fitment. (Cat Parts Store)

Description

The Cat 161-6634 Hydraulic Piston Pump is a hydraulic pump assembly used in Caterpillar equipment. The slipper piston design uses reciprocating pistons to draw hydraulic fluid into the pump and expel pressurized fluid into the hydraulic system.

Caterpillar officially identifies the component as a Slipper Piston Pump. The official Cat listing specifies a 14.8-inch length, 11.85-inch height, and carbon steel material. (Cat Parts Store)

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD can assist customers in Malaysia and international markets with sourcing 161-6634 / 1616634 hydraulic piston pumps and suitable replacement options.

Features

• Caterpillar Cat hydraulic piston pump

• Slipper piston pump design

• Cat Part Number 161-6634

• Alternate number 1616634

• Designed for hydraulic energy generation

• Suitable for replacement and maintenance applications

• Available for genuine, remanufactured and aftermarket sourcing subject to availability

• Suitable for selected Caterpillar backhoe loader applications

• Professional sourcing support from Malaysia

Verified Specifications

Specification	Details
Brand	Caterpillar / Cat
Part Number	161-6634
Alternate Part Number	1616634
Pump Type	Slipper Piston Pump
Length	14.8 in
Height	11.85 in
Material	Carbon Steel
Component	Pump Group – Piston

These specifications are based on Caterpillar's official Parts Store listing. (Cat Parts Store)

Specifications Not Published / To Be Verified

The following information should not be assumed without confirmation from Caterpillar or the supplier:

• Pump displacement

• Maximum operating pressure

• Rated flow

• Maximum speed

• Shaft specification

• Rotation

• Port configuration

• Control type

• Exact mounting dimensions

• Hydraulic efficiency

Compatible Caterpillar Models

Caterpillar's official Parts Store lists 161-6634 for the following backhoe loader models: (Cat Parts Store)

• 416C

• 426C

• 428C

• 436C

• 438C

Model Number / Part Number Search Terms

For SEO and customer searches, this product may also be searched as:

• 161-6634

• 1616634

• CAT 161-6634

• Caterpillar 161-6634

• 161-6634 Pump

• 1616634 Pump

• 161-6634 Piston Pump

• 1616634 Piston Pump

• 161-6634 Hydraulic Pump

• 1616634 Hydraulic Pump

• Pump Group – Piston 161-6634

Applications

The Cat 161-6634 is listed for selected Caterpillar backhoe loaders, including:

• Caterpillar 416C

• Caterpillar 426C

• Caterpillar 428C

• Caterpillar 436C

• Caterpillar 438C

Typical applications include hydraulic systems used in:

• Construction equipment

• Excavation equipment

• Backhoe loaders

• Heavy machinery

• Hydraulic equipment maintenance

• Machine repair and overhaul

Machine serial number verification is recommended before purchase.

Related / Alternative Models

0R-7793 – Cat Reman Hydraulic Pump

Caterpillar lists 0R-7793 Cat Reman Hydraulic Pump as an alternative associated with 161-6634. Cat also lists the same compatible backhoe loader models for 0R-7793. (Cat Parts Store)

Related Part Numbers:

• 161-6634

• 1616634

• 0R-7793

Do not assume that another part number is a direct interchangeable replacement without confirming the machine serial number and pump configuration.

Genuine, Reman & Aftermarket Options

ASIA-MECH HYDRO-PNEUMATIC can assist with sourcing options according to your application and budget:

Genuine Caterpillar: For customers requiring an original Cat component.

Cat Reman: Caterpillar's official alternative includes 0R-7793 for this application. (Cat Parts Store)

Aftermarket Replacement: Replacement pumps may also be available from qualified aftermarket manufacturers. Specifications, construction and warranty should be confirmed before purchase.

FAQ

What is Caterpillar 161-6634?

161-6634 is a Caterpillar Slipper Piston Pump / Pump Group – Piston used in selected Cat hydraulic applications. (Cat Parts Store)

What is the alternate number for 161-6634?

The number is commonly written without the hyphen as 1616634.

Which Caterpillar machines use 161-6634?

Cat lists the 416C, 426C, 428C, 436C and 438C Backhoe Loaders as compatible models. (Cat Parts Store)

What type of pump is 161-6634?

Caterpillar identifies it as a Slipper Piston Pump. (Cat Parts Store)

Is 0R-7793 related to 161-6634?

Yes. Cat's official Parts Store lists 0R-7793 Cat Reman Hydraulic Pump as an alternative associated with 161-6634. (Cat Parts Store)

Can I order 161-6634 from Malaysia?

Yes. ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD can assist with sourcing and quotation for Caterpillar hydraulic pumps and replacement components.

For accurate quotation, provide:

1. Part number 161-6634

2. Machine model

3. Machine serial number

4. Photos of the existing pump/nameplate, if available

5. Required condition — Genuine, Reman or Aftermarket

Why Buy From ASIA-MECH HYDRO-PNEUMATIC?

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD provides hydraulic component sourcing and supply for industrial and mobile hydraulic applications.

We specialize in:

• Hydraulic Pumps

• Hydraulic Motors

• Hydraulic Valves

• Hydraulic Cylinders

• Pneumatic Components

• Industrial Automation Components

We support customers in:

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

International: Singapore, Thailand, Indonesia, Philippines, Vietnam, Europe and worldwide.

Customers can request original genuine, Cat Reman or aftermarket alternatives, subject to availability.

Datasheet / Catalog / PDF

For 161-6634, the official Caterpillar Parts Store provides the verified product information and compatible model information. (Cat Parts Store)

For a complete technical datasheet containing displacement, pressure, flow, shaft and port specifications, these details should be obtained from Caterpillar or verified against the specific machine configuration rather than assumed.

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Supplier Contact

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD

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

For quotation: Send us the 161-6634 part number + machine model + serial number so we can check the appropriate pump option and availability.