Name: K5V212DTP Hydraulic Parts K5V140DTP K5V160DTP K5V200DTP K5V80DTP Hydraulic Pump Repair Kit for Excavator Spare Parts
Brand: Lanzhou Fudong Guangqi Trading Co., Ltd
SKU: K5V212DTP
Availability: InStock

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K5V212DTP Hydraulic Parts K5V140DTP K5V160DTP K5V200DTP K5V80DTP Hydraulic Pump Repair Kit for Excavator Spare Parts

K5V212DTP hydraulic pump repair kit

excavator hydraulic pump spare parts

K5V140DTP hydraulic main pump parts

Place of Origin:

China

Model Number:

K5V212DTP

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Product Details

Packing:

Wooden Box

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K5V212DTP hydraulic pump repair kit

excavator hydraulic pump spare parts

K5V140DTP hydraulic main pump parts

Payment & Shipping Terms

Minimum Order Quantity

1 Pc

Packaging Details

Carton

Delivery Time

7-15days

Payment Terms

T/T

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Product Description

K5V212DTP Hydraulic Parts K5V140DTP K5V160DTP K5V200DTP Hydraulic Pump Repair Kit for Excavator Spare Parts

Serving as the primary power unit of excavator hydraulic circuits, the main hydraulic pump receives engine driving power to convert mechanical energy into high-pressure hydraulic energy. It transports pressurized hydraulic fluid to hydraulic motors to realize all functional working actions of the excavator. Most construction excavators are equipped with axial variable piston pumps. Medium and large excavators adopt an integrated dual main pump structure paired with a rear-mounted pilot gear pump. Two separate high-pressure oil supply loops feed the main control valve, allowing compound working motions, with a rated working pressure of 28MPa to 35MPa. Positioned at the machine rear, the low-pressure pilot pump operates at 3–4MPa with low flow output, supplying pilot pressure oil for control handle manipulation and main valve spool adjustment. Piston groups secured on the cylinder block and pump shell rotate with the main shaft, finishing oil absorption and pressurization workflows. Modifying the swash plate inclination angle changes piston stroke length, which modulates the pump’s displacement capacity. An external servo actuator adjusts swash plate position based on real-time hydraulic feedback data. Enlarging the tilt angle boosts flow rate and operational efficiency, while narrowing it reduces fuel usage and prevents engine stalling. The valve plate partitions low-pressure inlet and high-pressure outlet channels to achieve directional hydraulic oil distribution. The pump is fitted with three essential control functions for stable and reliable operation. Constant power control automatically lowers pump displacement under heavy load conditions, protecting the engine and boosting power utilization efficiency. The LS load-sensing system provides flow volume matching actual working demands and maintains low idle displacement for fuel economy. The HP pressure limiting function cuts pump displacement at peak pressure values, preventing rupture and damage to hydraulic pipelines and oil cylinders. Typical faults involve internal leakage caused by worn pistons, broken valve plates or clogged regulators, resulting in slow operation and insufficient power output. A seized maximum-displacement regulator triggers engine overload, black smoke emission and stalling during heavy-duty tasks. Excessive internal leakage converts pressure loss into heat energy, triggering abnormal hydraulic oil overheating. Air infiltration into the hydraulic system, inadequate hydraulic fluid volume and damaged bearings or pistons produce unusual operational noise. Regular daily maintenance includes replacing hydraulic oil and filter elements periodically to prevent wear of precision internal components. Ensuring excellent tightness of oil suction pipelines stops air ingestion and machine vibration, and maintaining standard hydraulic oil levels preserves stable pump performance.

Machinery Test Report	Provided	Warranty	3 Months
Video outgoing-inspection	Provided	Brand Name	OEM
Place of Origin	China	Product Name	Hydraulic Pump
Model	K5V212DTP	MOQ	1 Piece
Quality	High-Quality	Delivery time	7-15 Days
Standard or Nonstandard	Standard	Application	Excavator Machinery
Size	Standard Size	Packing	Wooden Box

Company Profile

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K5V212DTP Hydraulic Parts K5V140DTP K5V160DTP K5V200DTP K5V80DTP Hydraulic Pump Repair Kit for Excavator Spare Parts

K5V212DTP hydraulic pump repair kit

excavator hydraulic pump spare parts

K5V140DTP hydraulic main pump parts

K5V212DTP hydraulic pump repair kit

excavator hydraulic pump spare parts

K5V140DTP hydraulic main pump parts

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Hydraulic Pump PVD-00B-14P 4460664 4612675 Excavator Parts for HITACHI ZX15 ZX16 ZX17 ZX18 Excavator

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