705-21-32051 Komatsu D85-21 Transmission Pump

 

 

 

 

Product Name

Komatsu D85-21 Transmission Pump / Hydraulic Gear Pump

Model Number / Part Number

• 705-21-32051

• 7052132051

• CYYA-45-00AFR (cross reference used in some listings)

Brand

Komatsu / Shantui Replacement

Product Category

Hydraulic Gear Pump – Transmission Pump

Product Details

705-21-32051 is a transmission pump (gear pump assembly) used for Komatsu bulldozer powertrain systems. It is commonly supplied as a replacement pump for Komatsu D85 series dozers and related Shantui bulldozer applications. (komatsucatparts.com)

Compatible Equipment / Applications

Common applications include:

• Komatsu D85-21 Bulldozer

• Komatsu D85A-21

• Komatsu D85C-21

• Komatsu D85P-21

• Komatsu D85P-21-EP

• Komatsu D85A-21-E

• Shantui SD16 / SD22 / SD23 related replacement applications (verify before ordering) (Asia-Mech)

Features

• Heavy-duty hydraulic gear pump design

• Suitable for construction machinery transmission systems

• Direct replacement for original pump part number 705-21-32051

• Available in genuine, OEM, and aftermarket options

• Designed for bulldozer working environments (shantuispareparts.com)

Specifications

Technical specifications such as displacement, pressure rating, flow rate, rotation direction, and mounting dimensions should be verified with the manufacturer or original pump nameplate before ordering.

Do not rely only on part number because different production batches may have variations.

Common Replacement / Cross Reference Numbers

Part Number	Description
705-21-32051	Transmission Pump
7052132051	Hydraulic Pump Number Format
CYYA-45-00AFR	Hydraulic Pump Reference

FAQ

Q1: What is 705-21-32051 pump used for?

It is a transmission pump used in Komatsu D85 bulldozer transmission systems.

Q2: Is 705-21-32051 a hydraulic main pump?

No. This model is mainly identified as a transmission pump / gear pump, not the main implement hydraulic piston pump.

Q3: Can this pump replace the original Komatsu pump?

Yes, aftermarket replacement units are available, but confirm:

• Mounting dimensions

• Shaft type

• Rotation direction

• Port position

• Pump specification

before installation.

Q4: Where can I buy 705-21-32051 in Malaysia?

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD supplies hydraulic pumps, motors, valves and replacement hydraulic components in Malaysia and worldwide. (Asia-Mech)

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Related Models

• 07400-40500 Komatsu Hydraulic Pump

• 07444-66103 Komatsu Hydraulic Pump

• 07446-66103 Komatsu Excavator Pump

• Komatsu D85 Hydraulic Pump Series

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FROM: ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD
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705-21-32051 Komatsu D85-21 Transmission Pump SUPPLY BY ASIA-MECH MALAYSIA PHILIPINES, THAILAND, INDONESIA AND VIETNAM 

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