Komatsu Hydraulic Gear Pump 705-12-40040

Product Name

Komatsu Hydraulic Gear Pump 705-12-40040 / SAR3-100

Model / Part Number

• Komatsu Part No.: 705-12-40040

• Part No. without hyphens: 7051240040

• Pump Model: SAR3-100

• Pump Assembly Description: PUMP ASS'Y, (SAR(3)-100)

• Cross Reference / Alternative Part No.: 705-22-40110 / 7052240110 (Crown Hyd)

Brand

Komatsu

Product Type

Hydraulic Gear Pump / Pilot Gear Pump

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Product Details

The Komatsu 705-12-40040 is a SAR3-100 hydraulic gear pump assembly used in selected Komatsu heavy machinery applications. A published specification identifies the pump as SAR3-100, with a displacement of 100.5 cm³/rev, rated pressure of 210 kg/cm², maximum pressure of 250 kg/cm², and operating speed range of 600–2500 rpm. (Crown Hyd)

Parts catalogues also identify 705-12-40040 as a PUMP ASS'Y, (SAR(3)-100). (Equipment Parts)

Important: Application information varies between aftermarket catalogues. Before ordering, always confirm the machine model, serial number, original pump configuration and mounting/shaft arrangement.

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Description

The Komatsu Hydraulic Gear Pump 705-12-40040 is designed for hydraulic power transmission in Komatsu construction and heavy equipment.

The pump is commonly referenced as SAR3-100 / SAR100 and is listed for selected Komatsu wheel loaders and other heavy machinery. Sources identify applications including WA450-1, WA470-1, WA500-1 and WF450T-1. Another parts source lists the pump for HM400-1, WA450-1 and WA500-1. (Crown Hyd)

It can be supplied as a genuine/OEM or aftermarket replacement, depending on customer requirements and availability.

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Verified Specifications

Specification	Details
Brand	Komatsu
Part Number	705-12-40040
Alternate Part Number	705-22-40110
Pump Model	SAR3-100
Pump Type	Hydraulic Gear Pump
Displacement	100.5 cm³/rev
Rated Pressure	210 kg/cm²
Maximum Pressure	250 kg/cm²
Speed Range	600–2500 rpm
Manufacturer listed by source	Hung Rong Hydraulic Tech. Co., Ltd.

The above SAR3-100 technical values are published specifically against 705-12-40040 by the referenced hydraulic-pump supplier. (Crown Hyd)

Technical verification notice: These specifications should be checked against the actual pump/nameplate and machine application before installation. Do not use the information above as a substitute for the manufacturer's service manual.

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Applications

Reported Komatsu applications include:

• Komatsu WA450-1 Wheel Loader

• Komatsu WA470-1 Wheel Loader

• Komatsu WA500-1 Wheel Loader

• Komatsu WF450T-1 Wheel Loader

• Komatsu HM400-1 Articulated Dump Truck (Crown Hyd)

Some aftermarket databases additionally associate 705-12-40040 with other Komatsu models. Because these listings are inconsistent, machine serial-number verification is strongly recommended before purchasing.

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Features

• Hydraulic gear pump construction

• SAR3-100 configuration

• 100.5 cm³/rev displacement

• Suitable for demanding heavy-equipment hydraulic applications

• Replacement option for Komatsu 705-12-40040

• 705-22-40110 reported as a cross-reference

• Suitable for genuine/OEM and aftermarket sourcing

• Designed for use in Komatsu heavy machinery hydraulic systems

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Komatsu 705-12-40040 Model & Part Number References

For SEO and parts-search purposes, include the following identifiers on the product page:

Main Part Numbers

• 705-12-40040

• 7051240040

Cross-Reference

• 705-22-40110

• 7052240110

Pump Model

• SAR3-100

• SAR(3)-100

• SAR100

Related Komatsu pump number

• 705-12-40010 — do not assume interchangeability; it is a separate Komatsu pump assembly. (EveryChina)

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FAQ

What is Komatsu 705-12-40040?

705-12-40040 is a Komatsu hydraulic pump part number identified with a SAR3-100 hydraulic gear pump assembly. (Crown Hyd)

What is the pump model for 705-12-40040?

The published pump model is SAR3-100, also referenced as SAR100 in parts listings. (Crown Hyd)

What is the displacement of 705-12-40040?

The published SAR3-100 specification gives a displacement of 100.5 cm³/rev. (Crown Hyd)

What pressure does the SAR3-100 pump have?

The published specification states 210 kg/cm² rated pressure and 250 kg/cm² maximum pressure. (Crown Hyd)

Which Komatsu machines use 705-12-40040?

Reported applications include WA450-1, WA470-1, WA500-1 and WF450T-1. HM400-1 is also listed by another parts source. (Crown Hyd)

Is 705-22-40110 the same as 705-12-40040?

Several parts sources list 705-22-40110 / 7052240110 as an alternative or cross-reference for 705-12-40040. However, compatibility should be confirmed using the machine serial number and pump configuration before substitution. (EveryChina)

Can ASIA-MECH supply Komatsu 705-12-40040?

Yes. ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD can assist with sourcing the genuine/OEM or suitable aftermarket version. Please provide the Komatsu part number, machine model and serial number for application verification.

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Related Models

For internal WooCommerce linking:

• Komatsu 705-12-40010

• Komatsu 705-12-38010

• Komatsu 705-12-38011

• Komatsu 705-12-37040

• Komatsu 705-12-45250

• Komatsu 705-14-40550

• Komatsu 705-14-41040

These are related Komatsu hydraulic-pump part numbers, but should not be presented as interchangeable with 705-12-40040 unless compatibility is verified. (Hytech)

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Alternative Models

Alternative / Cross-Reference Part

705-22-40110 / 7052240110

This is the strongest alternative part-number reference found for 705-12-40040. (EveryChina)

Replacement Options

ASIA-MECH can source:

• Genuine Komatsu replacement

• OEM-equivalent replacement

• Aftermarket hydraulic gear pump

• Pump assembly replacement

• Replacement components where available

Always verify the exact specification and physical configuration before ordering.

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Industries & Applications

Suitable sourcing for customers in:

• Construction machinery

• Heavy equipment

• Mining

• Quarrying

• Manufacturing

• Material handling

• Infrastructure projects

• OEM machinery

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Why Buy From ASIA-MECH?

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD specializes in hydraulic pumps, hydraulic motors, hydraulic valves and industrial hydraulic components in Malaysia.

We offer genuine and aftermarket hydraulic components, with sourcing support for customers requiring replacement pumps based on part number, machine model or existing pump identification.

Our service focuses on quick response, application checking and reliable industrial hydraulic component sourcing.

Delivery Area

Malaysia:

Perlis · Penang · Kedah · Perak · Pahang · Kuala Lumpur · Selangor · Melaka · Johor · Kelantan · Kuantan · Sabah · Sarawak

International Delivery

Malaysia · Singapore · Thailand · Indonesia · Philippines · Vietnam · Europe · Worldwide

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Contact ASIA-MECH

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD

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

For quotation, stock availability and compatibility checking, send us:

Part No.: 705-12-40040
Machine Model: ______
Machine Serial No.: ______

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SEO

Meta Title

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Meta Description

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