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Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

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Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

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Brand Name : Belparts

Model Number : ZX300 ZX300-3

Place of Origin : Guangdong, China

MOQ : 1 piece

Price : Negotiable price

Payment Terms : T/T, Paypal and Trade Assurance

Supply Ability : 1000pieces

Delivery Time : 1-7days

Packaging Details : Wooden packing

Model : ZX300 ZX300-3

Part number : 9122780 9136850

Name : hydraulic pump assembly

Appliion : Crawler excavator parts

Power : Hydraulic

Condition : New

Shipment : by express, by air, by sea

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Hitachi excavator pump ZX300 ZX300-3 hydraulic main pump 9122780 9136850 pump assembly

The hydraulic pump converts mechanical energy into hydraulic energy to power the excavator's hydraulic system. When the engine drives the pump shaft to rotate, the internal pistons or gear sets create oil suction and compression processes, forming a high-pressure oil flow. Belparts hydraulic pumps feature variable displacement design that automatically adjusts output flow according to load requirements, achieving high energy efficiency.

Product name

Belparts excavator hydraulic main pump

Place of Origin:

China(mainland)

Model:

ZX300 ZX330-3

Part number:

9122780 9136850

Payment term:

T/T & PayPal

Delivery time:

Within 2 days after receiving the payment

Packing:

Standard exporting packing or as required

List of spare parts

# Part No Part Name Qty. Price request
9122780 PUMP; SINGLE 2
(9136850) PUMP; SINGLE 2
02 1014184 . CASING; PUMP 1
03 8046112 . PACKING 1
04 2023051 . DISC; DRIVING 1
06 4190694 . BRG.; ROL. 1
07 4209323 . BRG.; ROL. 1
08 3035965 . SPACER 1
09 4191665 . NUT; BRG. 1
13 8049118 . PISTON 7
13 8051275 . PISTON 7
14 2022744 . ROTOR 1
16 8035539 . SHAFT; CENTER 1
17 4184779 . BALL 1
18 4191667 . RING; RETAINING 1
19 4194362 . SPRING; COMPRES. 1
20 4193062 . RING; RETAINING 1
21 4198956 . PIN 1
23 3035966 . COVER; SEAL 1
24 4191664 . O-RING 1
25 4094325 . RING; RETAINING 1
26 4232070 . SEAL; OIL 1
27 9742978 . VALVE 1
31 3039569 . LINK 1
32 9724756 . LEVER 2
34 4179179 . PIN 2
35 4179177 . PIN 2
36 4200227 . PIN 1
37 4179176 . PIN 1
38 4146370 . RING; RETAINING 6
39 1011957 . HEAD 1
39 1011956 . HEAD 1
41 3036326 . PISTON; SERVO 1
42 4193245 . PIN 1
43 4179838 . SCREW; SET 1
46 4099290 . PIN; SPRING 2
48 4180349 . O-RING 10
49 M341245 . BOLT; SOCKET 8
50 495841 . WASHER; SPRING 8
51 4108720 . PLUG 1
51A 957366 .. O-RING 1
52 4204862 . STOPPER 1
53 955020 . O-RING 1
59 984623 . O-RING 1
62 4216295 . STOPPER 1
63 M340820 . BOLT; SOCKET 8
64 4514388 . WASHER; SPRING 8
66 9122781 . REGULATOR 1
66 (9136851) . REGULATOR 1
69 A810055 . O-RING 1
70 4515041 . PIN; SPRING 2
75 3065868 . NAME-PLATE 1
76 M492564 . SCREW; DRIVE 2
78 4211432 . PLUG 1
79 4506424 . O-RING 1
81 9089486 . PLUG 1
81A 4509180 .. O-RING 1

Hydraulic pump efficiency comprises volumetric and mechanical efficiency. Volumetric efficiency compares actual to theoretical flow rate, primarily affected by internal leakage. Mechanical efficiency measures how much input power converts to hydraulic power, mainly influenced by frictional losses. Combined total efficiency can exceed 90% in quality piston pumps.

Though less visible than displacement or pressure, efficiency significantly impacts excavator fuel consumption. Efficient hydraulic pumps reduce energy loss, lowering engine load and saving fuel. This explains why high-end excavators invest more in high-efficiency piston pumps.

Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

Company Information


Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

Factory


Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump AssemblyHitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

Exhibition


Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

Delivery&Logistics


Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly

  • Packaging Details:

  • 1.According to orders, pack the spare parts one by one by oil paper;

  • 2.Put them into small carton boxes one by one;

  • 3.Put the packed small carton boxes into bigger carton boxes one by one;

  • 4.Put the bigger carton boxes into wooden boxes if necessary especially for the shipments by sea.

  • 5. Goods is packed with oil paper and plastic bags inside

  • 6.Using wooden case package.

  • 7.We support the custom-made demand for package

Hot Product


Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump AssemblyHitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump AssemblyHitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly


Product Tags:

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Hitachi Excavator Pump ZX300 ZX300-3 Hydraulic Main Pump 9122780 9136850 Pump Assembly Images

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