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Excavator parts Yanmar 30 Yuchai 35 0847402 auxiliary pump hydraulic tail pump gear pump pilot pump

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Excavator parts Yanmar 30 Yuchai 35 0847402 auxiliary pump hydraulic tail pump gear pump pilot pump

Brand Name : GVO

Model Number : Yanmar 30 Yuchai 35

Place of Origin : CHINA

MOQ : 1PCS

Price : Negotiable price

Payment Terms : T/T,Western Union,Ali payment,L/C,Paypal

Supply Ability : 480PCS

Delivery Time : Within 2-7 Days After Receiving Payment

Packaging Details : Export standard packaging

Model Name : Yanmar 30 Yuchai 35

Part Number : 0847402

Condition : 100%new

Appliion : EXCAVATOR

Size : Standard Size/custom Size

After-sales Service : Online Suppor

Quality : High Quality

APPLICABLE INDUSTRIES : Building Material Shops, Machinery Repair Shops, Retail, Construction Works

Highlight : Excavator parts Yanmar 30 Yuchai 35 0847402 auxiliary pump hydraulic tail pump gear pump pilot pump

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Excavator parts Yanmar 30 Yuchai 35 0847402 auxiliary pump hydraulic tail pump gear pump pilot pump

Brand GVO
Appliion hydraulic pump gear pump
Model No. ZX30U,ZX30U-2,ZX35U,ZX35U-2,35D,35C
Condition
100% New
Size Standard
Package As customer's requirment
Adavatages High Quality
Factory Price
Adequate inventory

Excavator parts Yanmar 30 Yuchai 35 0847402 auxiliary pump hydraulic tail pump gear pump pilot pump

307002-4472 ZEXEL GEAR PUMP 9217996

307012-1100, 307012-1021 ZEXEL GEAR PUMP 9218028, 9621810752, 74918H
307012-1091, 307012-1090 ZEXEL GEAR PUMP 9218029 Kubota KH60, KH66, KX71
0510565058, 94126A 68741 61110 94508S
307012-8140 ZEXEL 94123Z
307012-3000 ZEXEL
307012-8020 ZEXEL 12+12+7.5 cc/rev
307002-3480 ZEXEL GEAR PUMP 9217990, 74409A, 68761-61170
307001-3420 ZEXEL Hitachi GEAR PUMP 9217979
307012-1090 ZEXEL GEAR PUMP 9218035 Kubota KH60, KH66, KX71
307012-8200 ZEXEL GEAR PUMP 9218043 KUBOTA KH60, KX41
0510365013, 307012-8201, 9218043, 38730, 3070128201, AZPFFF-11-005/005/004RXB202020MB, 222P5/5/4/4XB365013C

307002-4671 ZEXEL GEAR PUMP 9218006, 66415 88209, RD30161120
307002-4210 ZEXEL GEAR PUMP Hitachi 9217993
307002-5540 ZEXEL GEAR PUMP 9218012
307012-1311 ZEXEL GEAR PUMP 9226347, 74708H

Excavator parts Yanmar 30 Yuchai 35 0847402 auxiliary pump hydraulic tail pump gear pump pilot pump

Excavator parts Yanmar 30 Yuchai 35 0847402 auxiliary pump hydraulic tail pump gear pump pilot pump

I. Working principle

The hydraulic tail pump is essentially a small gear pump or plunger pump. Its working principle is the same as that of a conventional hydraulic pump. It sucks and discharges oil based on the periodic change of the sealed volume:

1. It is directly driven by the engine through the transmission shaft (or indirectly driven by the gearbox) and rotates with the engine;

2. When the rotor (gear or plunger) in the pump rotates, the volume of the suction chamber increases to generate a vacuum, and low-pressure oil is sucked from the oil tank;

3. After the oil is brought into the pressure chamber, the volume is reduced and pressurized, and low-pressure or medium-pressure hydraulic oil (pressure is usually lower than that of the main pump, generally 2-10MPa) is output, and it is transported to the components that need auxiliary power through pipelines.

2. Main functions

1. Driving auxiliary devices: providing power for the auxiliary systems of construction machinery, such as:
- Hydraulic steering system: driving the steering cylinder to achieve body steering (especially steering assistance for small equipment);
- Braking system: providing pressure oil for the hydraulic brake valve to achieve driving or parking brake;
- Other auxiliary mechanisms: such as bucket fine-tuning, bulldozer action, hydraulic oil cooling fan drive, etc.
2. Supplementing the main pump function: when the main pump focuses on driving large-load actuators (such as booms and arm cylinders), the tail pump is responsible for sharing light-load auxiliary actions to avoid overloading the main pump and improve system efficiency.
3. Simplifying the system structure: as an independent auxiliary power source, the tail pump can supply oil to specific low-pressure components alone without the need to divide oil from the main oil circuit, reducing the complexity of the main system pipeline and reducing energy loss.

In short, the hydraulic tail pump is the "auxiliary power provider" of small construction machinery, mainly providing hydraulic power for non-core but necessary auxiliary actions to ensure the coordinated operation of the whole machine function.

Excavator parts Yanmar 30 Yuchai 35 0847402 auxiliary pump hydraulic tail pump gear pump pilot pump

FAQ:
1.What do you mainly produce?

A;Our main business hydraulic Spare Parts,safety valve,Gear pump,hydraulic pump,control valve,Trave Motor Assy,swing motor,Seal kit, Electric parts,solenoid valve, engine assembly.etc.

2, Do you have stock for the goods?

A;We have plenty stock for many items in the warehouse.

3. Do you test all your goods before delivery?

A: Yes, we have a 100% test before delivery.

4.I know only the excavator model, but can not offer parts No., what should I do ?

A;If possible, you can send us the old photo, nameplate or the size for reference.

5.can I order one of our samples for testing first?

A: Of course!

Excavator parts Yanmar 30 Yuchai 35 0847402 auxiliary pump hydraulic tail pump gear pump pilot pump

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