Description
Product Overview
The three-cylinder mechanical fuel injection pump is driven by the engine's camshaft to make the internal pistons move back and forth, generating high-pressure fuel. The top drive shaft synchronously regulates the fuel injection volume of the three cylinders, providing atomized fuel to the cylinders. Under long-term field and construction site conditions with high and low temperature dust conditions, the piston may wear, the spring may fatigue, and the oil outlet valve seal may fail, resulting in reduced fuel supply pressure, imbalance in fuel injection volume of each cylinder, power decline, and excessive black smoke. This product is a complete integrated oil pump assembly. It undergoes comprehensive detection for cylinder fuel supply synchronization, high-pressure sealing, and idle oil volume at the factory. The entire machine does not require disassembling the internal precision components for replacement. It is suitable for three-cylinder diesel tractors, small construction machinery, and generator sets for fuel supply system maintenance.
Unique Core Features of the Single Product
Integrated cast aluminum lightweight pump body, good heat dissipation and less prone to deformation and leakage
The entire aluminum alloy pump housing is formed by die-casting, lightweight while having excellent heat dissipation performance, reducing the risk of high-temperature gas accumulation; the surface is cast with reinforcing ribs, resistant to vibration and less prone to cracking, with multiple oil circuit circulation holes reserved, allowing diesel impurities to circulate and be discharged, reducing piston sticking.
Three-cylinder independent piston fuel supply unit, balanced and stable fuel supply
There are three sets of independent hardened piston pairs inside, each set of pistons is paired with a high-temperature reset spring. The three cylinders supply fuel synchronously, and the factory precisely matches the fuel supply volume of each cylinder to eliminate idle jitter, single-cylinder lack of power, and exhaust color difference problems.
Top integrated oil quantity adjustment drive shaft group, synchronously balancing the fuel supply of three cylinders
Three sets of联动adjustment drive shafts above the valve body can uniformly and synchronously adjust the fuel injection volume of the three cylinders， quickly balancing the power output of the entire machine， improving acceleration weakness， excessive black smoke， and high fuel consumption problems， and the installation of the speed control mechanism is simple and in alignment.
Standard cam drive interface at the bottom， with strong installation versatility
The standardized cam drive slot at the lower end of the oil pump is compatible with the camshaft drive structure of the corresponding model， with precise positioning steps and limiters， no slippage or slack in transmission， stable piston reciprocating stroke， and no fluctuation in fuel supply pressure.
Multi-channel internal oil circuit circulation design， reducing impurity accumulation and blockage
The intercommunicating circulation oil circuit inside the pump body allows diesel to continuously wash the oil circuit， removing gum impurities， reducing the probability of oil valve and piston carbon sticking， extending the overall service life of the oil pump， and reducing the frequency of disassembly and repair costs. Applicable scenarios
Suitable for three-cylinder diesel tractors, small wheeled loaders, small diesel generators, and light agricultural construction machinery. It is applicable for field farming, short-distance operations, and outdoor high-temperature, high-humidity, and high-dust small-sized mechanical diesel engine fuel supply systems. This product is suitable for major overhauls of diesel engine fuel supply systems of small three-cylinder mechanical diesel power equipment.
Product Basic Parameters
Product Name: Three-cylinder In-line Mechanical Injection Pump Assembly
Part Number: 10000-05878
Main Material: Cast aluminum pump body, nitrided hardened alloy steel piston, high-temperature alloy reset spring, steel adjustable shift fork
Structural Feature: Integrated aluminum three-cylinder pump body, three independent piston fuel supply units, top linked oil quantity shift fork, bottom cam-driven installation position, built-in circulation oil passage
Application Conditions: Continuous light / medium-heavy load, field and construction site high dust, engine alternating high-temperature and high-low temperature small-sized three-cylinder mechanical diesel power equipment
Product Status: New and complete injection pump assembly, factory completed with all cylinder fuel supply uniformity, high-pressure sealingity, and idle oil quantity calibration full detection
Packaging: Thick shock-proof hard packaging box, oil pump inlet and outlet oil ports, both ends of piston are equipped with protective plugs to prevent transportation impact and blockage of the precise oil passage. Supports single-piece and batch purchase of multiple units, compatible with cross-border large-sized logistics.
