Komatsu Hydraulic Gear Pump 705-51-20930

Product Name

Komatsu Hydraulic Gear Pump 705-51-20930

Model Number / Part Number

• 705-51-20930

• 7055120930 — non-hyphenated part-number format

• SAL2-50+45 — published pump model reference (Crown Hyd)

Brand

Komatsu

Product Type

Hydraulic Gear Pump / Pump Assembly

Product Details

The Komatsu 705-51-20930 Hydraulic Gear Pump is a replacement hydraulic pump assembly associated with selected Komatsu crawler dozers. Published references identify the pump as SAL2-50+45, comprising SAL2-50 and SAL2-45 pump sections. (Crown Hyd)

The part number is commonly referenced for Komatsu D65E-12, D65P-12 and D85ESS-2 series bulldozers. Application references should always be checked against the machine serial number and original pump configuration before ordering. (Topvelsun Machinery)

ASIA-MECH can supply this pump as a replacement/aftermarket hydraulic component, subject to availability and fitment confirmation.

Description

The 705-51-20930 hydraulic gear pump is designed for hydraulic-system applications on Komatsu crawler dozers. It is particularly associated with hydraulic functions including lift, dump and steering applications on the D65P-12 according to ASIA-MECH's existing Komatsu pump listing. (Asia-Mech)

A published SAL2-50+45 specification reference gives two pump sections:

• SAL2-50: 50.1 cm³/rev

• SAL2-45: 43.7 cm³/rev

• Maximum pressure: 250 kg/cm²

• Rated pressure: 210 kg/cm²

• Speed range: 800–3,000 rpm (Crown Hyd)

These figures should be treated as applicable to the published SAL2-50+45 configuration, rather than automatically assumed for every pump sold under the part number.

Features

• Komatsu hydraulic gear pump replacement

• Part number 705-51-20930

• Also searchable as 7055120930

• Dual-section SAL2-50+45 configuration reference

• Suitable for selected Komatsu crawler dozer hydraulic systems

• Designed for demanding construction and earthmoving applications

• Suitable for replacement and hydraulic system repair

• Available in genuine/OEM-equivalent or aftermarket configurations subject to quotation

• Fitment verification available before ordering

Applications

Commonly published machine applications include:

Komatsu Machine	Reference
D65E-12	Hydraulic pump
D65E-12-E	Hydraulic pump
D65P-12	Hydraulic pump
D65P-12-E	Hydraulic pump
D85ESS-2	Hydraulic pump
D85ESS-2A	Hydraulic pump
D85E-SS-2A	Hydraulic pump
D85E-SS-2A-E	Hydraulic pump
D85E-SS-2-E	Hydraulic pump

These application references are supported by published supplier/catalog information. (Crown Hyd)

Important: Machine application can depend on serial number, engine configuration and pump specification. For example, published references specify D65E-12 from certain serial numbers and D85ESS-2 from S/N 3034-UP. (FridayParts)

Specifications

Specification	Verified Information
Brand	Komatsu
Part Number	705-51-20930
Alternate Part Number	7055120930
Pump Model Reference	SAL2-50+45
Pump Section 1	SAL2-50
Section 1 Displacement	50.1 cm³/rev
Pump Section 2	SAL2-45
Section 2 Displacement	43.7 cm³/rev
Maximum Pressure	250 kg/cm²
Rated Pressure	210 kg/cm²
Speed	800–3,000 rpm
Product Type	Hydraulic Gear Pump / Pump Assembly

Specifications above are based on a published SAL2-50+45 reference associated with 705-51-20930. (Crown Hyd)

Fitment Notice: Please verify the pump against the original part number, machine model, serial number, mounting arrangement, shaft and port configuration before ordering.

Part Number Search / Cross-Reference

Customers may search for this pump using:

• 705-51-20930

• 7055120930

• 705-51-20800

• 7055120800

Some aftermarket catalogs additionally mention 705-51-20A20 / 7055120A20 as reference numbers. These should not be considered automatically interchangeable without checking the actual pump configuration. (Topvelsun Machinery)

Related Komatsu Hydraulic Pump Models

For customers searching for other Komatsu hydraulic pumps, related part numbers in ASIA-MECH's Komatsu pump listings include:

• 705-41-01320 — P.P.C. pump

• 705-41-01200 — Towing winch pump

• 705-51-20830 — Power pump

• 705-51-20800 — Lift/dump/steering pump

• 705-51-20930 — Lift/dump/steering pump

• 705-11-36000 — Steering pump

• 705-11-36010 — Steering pump

• 705-12-44010 — Work pump

• 705-22-44070 — Work pump

• 705-12-44040 — Work pump (Asia-Mech)

Alternative Models

Alternative or replacement pumps should be selected according to the Komatsu machine serial number and original pump configuration rather than simply choosing a pump with a similar part number.

For a replacement quotation, send ASIA-MECH:

1. Machine model

2. Machine serial number

3. Existing pump part number

4. Pump nameplate photograph

5. Pump photographs

6. Shaft and mounting-face photographs

7. Hydraulic port photographs

This significantly reduces the risk of supplying an incorrectly configured pump.

FAQ

What is Komatsu 705-51-20930?

705-51-20930 is a Komatsu hydraulic pump part number commonly referenced for selected D65 and D85 crawler dozer hydraulic systems. A published pump reference identifies it as SAL2-50+45. (Crown Hyd)

What is the alternate number for 705-51-20930?

The commonly used non-hyphenated format is 7055120930.

Which Komatsu machines use 705-51-20930?

Published references include D65E-12, D65E-12-E, D65P-12, D65P-12-E, D85ESS-2, D85ESS-2A, D85E-SS-2A-E and D85E-SS-2-E. (Crown Hyd)

Is 705-51-20930 a gear pump?

Yes. It is listed as a hydraulic gear pump / pump assembly, with the published SAL2-50+45 configuration consisting of two gear-pump sections. (Crown Hyd)

What is SAL2-50+45?

SAL2-50+45 is the published model reference associated with this pump, consisting of SAL2-50 and SAL2-45 sections. (Crown Hyd)

Can 705-51-20800 replace 705-51-20930?

Some aftermarket catalogs cross-reference 705-51-20800 with 705-51-20930, but this should not be assumed to mean universal interchangeability. Confirm the machine serial number and physical pump configuration first. (Topvelsun Machinery)

How can I confirm the correct pump?

Send the machine model, serial number, original pump part number and clear photographs of the existing pump to ASIA-MECH for fitment checking.

Why Buy From ASIA-MECH?

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD is a Malaysia-based supplier specializing in hydraulic pumps, hydraulic motors, hydraulic valves and industrial hydraulic components.

We support customers in:

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

We offer direct ordering for genuine and aftermarket hydraulic components, with delivery available throughout Malaysia and international shipping subject to quotation.

Malaysia Delivery Areas:
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.

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 “Komatsu 705-51-20930” together with your machine model and serial number.

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AEO Answer:

Komatsu 705-51-20930 is a hydraulic gear pump/pump assembly commonly used on selected Komatsu D65 and D85 crawler dozers. It is associated with the SAL2-50+45 configuration and is also identified by the part number 7055120930. Exact compatibility should be confirmed using the machine serial number and original pump configuration. (Crown Hyd)