Z5V140DTP (Electronic Control)

Z5V140DTP (Electronic Control) HYDRAULIC PUMPS

Hyundai- R210LC-7, R210LC-7A, R210LC-9, R220LC-9A, R290LC-7, R290LC-7H, R300, R305-7, R305-9, R305LC-7, R330LC-9S, R340

          Part number- 31N8-10060, 31Q8-10030, 31N8-10011

Doosan- DX255LC, DX255LC-3, DX255LC-5, DX300-7, DX300LC, DX300LC-3, DX300LC-5, DX300LCA, DX300LL, DX300LL-5, S300-7, DH300-7

          Part number- K1006550, 400914-00393, 400914-00416B

Kobelco- SK200-6, SK330-6E, SK330-8, SK350-8, SK350LC-8

                  Part number- K5V140DTP-YT6K-17T and K5V140DTP-9TBR-14T

Sany- SY235 (incl. SY235-8, SY235-8S, SY235-9), SY325

Volvo- EC250D, EC300D

Introduction

The Z5V140DTP is a high-performance, heavy-duty hydraulic pump designed for the demanding world of large construction machinery. It is part of the Kawasaki K5V series, which represents an advanced evolution of the earlier K3V lineup, engineered to deliver greater efficiency and power density for modern excavators and industrial equipment.  The Z5V140DTP is a variable displacement, axial piston pump with a tandem (dual-pump) configuration, meaning it houses two independent pump units within a single housing to provide high flow rates.

Key Features & Advantages

The Z5V140DTP is built to excel in harsh, high-pressure environments. Its design focuses on several key areas:

High Power Density & Compact Design: The pump employs a dual-pump series layout with a shared drive shaft, which eliminates the need for an external power distributor. This design enhances transmission efficiency, reduces overall weight, and saves valuable installation space, allowing for more compact hydraulic system layouts in large machinery.

Energy Efficiency & Self-Priming: An advanced spherical valve plate and hydraulic balance design ensure smooth cylinder rotation and low friction. This maintains high volumetric and mechanical efficiency even at low speeds, minimizing heat generation and energy loss. A high maximum self-priming speed of 2,160 min⁻¹ delivers robust suction, reducing the risk of cavitation and ensuring a stable oil supply.

Durability & Reliability: The pump features large-capacity, heavy-duty main bearings and a plunger return mechanism that compensates for wear on the slippers. This extends the service life and reduces wear on critical friction components. It is designed to operate reliably under continuous high pressures, offering strong impact resistance and high system durability.

Low Noise Operation: Optimized pressure transition zones on the valve plate, a reinforced housing, and built-in damping features work together to reduce pressure fluctuations and mechanical vibrations. This results in lower noise levels compared to equivalent K3V pumps, enhancing operator comfort and reducing environmental disturbance. 

Versatile & Precise Control: The pump supports mechanical, hydraulic, and electrical control inputs. It is capable of constant-power, pressure-limiting, and load-sensing control logic, allowing for fast and accurate adjustments to flow and pressure. This enables precise execution of complex, multi-function tasks in modern excavators.

Easy Integration & Replacement: Multiple flange, shaft, and control interface options are available. Crucially, its installation dimensions are highly compatible with the classic K3V112DTP pump, allowing for direct upgrades without modifying the host machine, which minimizes retrofitting costs and downtime.