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The article describes the calculation of parameters of diesel fuel equipment on the nature of the change and the amount of fuel injection. Provides an implementation of the mathematical model of the fuel to be used when the kits before you install them on diesel and for calculation of parameters of parts used in the high pressure fuel pumps running on stands with a view to approximating the conditions of work in the booth to real conditions of a diesel engine and determine the correct performance of the pumps at the stand.

Offers a probabilistic model of formation of modes load of diesel-generator unit locomotives given the power of auxiliary units in conditions of their operation on the example of locomotives 2TE10M.

The account of a real technical condition of the equipment of the locomotive at planning of volumes of its repair is one of the major reserves of reduction of working costs of railways and decrease in the cost price of transportations. The continuous control of a technical condition of the locomotive in operation is carried out with use of stationary and onboard means of technical diagnostics. The increasing of operational profitability and reliability of diesel locomotives demands continuous control for a technical condition of their equipment in the service. The wide-band exhaust gases oxygen content sensor can be used for continuous monitoring of the air excess coefficient in the locomotive diesel engine cylinders. This type sensors are widely used in automotive diesel engines control systems. It means for indirect estimation of the engine cylinders mixture quality by the exhaust gases oxygen content.

In article presented the mathematical model of fuel heating of the high pressure pipeline of diesel engines fuel equipment and calculation results of temperature of its external surface at various temperatures air and the fuel equipment technical conditions.

In the article the paper considers mathematical modeling of fuel equipment of high pressure and regulator of the rotation frequency of the crankshaft of the diesel engine. Analysis of factors affecting fuel equipment, mathematical modelling of the process of fuel into the cylinders, as well as mathematically describes the speed control of the crankshaft of the diesel diesel engine. Joint mathematical model of fuel equipment and rotation speed regulator. Presented algorithm and program calculation process the fuel feed to the cylinders of a diesel engine with a light hydraulic characteristics of generalized elements of fuel equipment and provision of the Executive mechanism of the regulator of the rotation frequency of the crankshaft of the diesel engine. In the work used mathematical and simulation, system analysis methods, the comparative method, methods of theoretical knowledge (formalisation), common logical methods and techniques of research (analysis, synthesis, classification, analogy ).

In article it is made a calculation contact pressing taking into account change of aerodynamic carrying power depending on climatic conditions (in one and a two-phase stream), and as at change of working height of a current collector. Comparison of the received results with experimental data is executed.

This article provides an analysis of the failure of mechanical equipment freight electric loco-motive 2ES6 "Sinara". The aim is to analyze the main failure of the mechanical part, the causes of failure . Using statistical methods for estimating and accounting data form TU -29 "Book of dam-age or malfunction of locomotives and multiple units and their equipment" locomotive repair depot «Мoskovka» investigated. Mechanical equipment failures make up 8.72% of all failures locomotive. Mean operating time to failure of the mechanical part locomotive is L2=156221km. Failure analy-sis of mechanical equipment showed that about 50% of all faults related to the deterioration of the rolling surface of the wheelset . More than a third of all failures associated with unilateral wheel flange wear. Mean time to failure due to a unilateral wheelset wear bandage is L1=279874 km. One reason is the incorrect distribution the load on the wheelsets at the factory and in the process of the attendance, maintenance. About 20% of mechanical equipment failures account for the fail-ure ventilation pipes. Analysis showed that the problem appears in the winter season. The main reason is a design defect ventilation pipes. Other types of mechanical equipment failures have less statistical significance. For comparison, the paper analyzes the distribution of electric locomotives VL10 mechanical failures. The obtained dependences can be a source of information for the system repair locomotives 2ES6 "Sinara" on-condition maintenance.

In this article, the main methods of technical diagnostics of diesel fuel equipment are considered. The faults they detect are listed. The principles of the methods work are examined in detail, the shortcomings and advantages of the chosen methods are revealed.

The article considers the existing methods for solving problems to improve the purification of compressed air in the brake system of the rolling stock. Presents the disadvantages of these methods and proposed a fundamentally new method of purification of compressed air, not previously used on rolling stock.

In article stages realization of complex systems non-contact thermal control of the main knots and systems locomotives are considered. The developed techniques of an assessment technical conditions sections refrigerators, electrical machines and the fuel equipment of a high pressure locomotives with use thermovision control method are presented.

The article deals with the organization of operation when using cryogenic technologies for gas locomotives and isothermal cars (IV). The structure of transportation of perishable goods (SPG) by types of rolling stock and types of cargo and the peculiarities of transportation of frozen fish from the Far East to the central regions of the country is presented. On the example of their consideration, a new structure of the type of isothermal rolling stock (IPS) is proposed, including various types of single isothermal cars, large-capacity refrigerated containers and swap bodies. It is proposed to use the block-modular principle of forming energy refrigeration equipment for promising autonomous refrigerated cars (ARC). A review of promising ARC models developed by UralVagonZavod and Altayvagon, ready for serial production, has been carried out. The factors that should be taken into account when creating an innovative isothermal rolling stock are formulated. Variants of using cryogenic technologies for an autonomous refrigerator car and single insulated cars are considered. Based on the results of previously conducted operational tests of autonomous liquid nitrogen cars, the main their advantages and possible areas of use are given. The technology and technical solutions for improving the design of the cooling system of the cargo space for thermos cars cooled with liquid nitrogen have been substantiated. The calculated characteristics of the consumption of liquid nitrogen during the transportation of frozen goods are presented. The advantages of using environmentally friendly liquid nitrogen cooling systems are analyzed and the areas of using cryogenic technologies for isothermal rolling stock are formalized. Uncertainty and spontaneity of the perishable goods transportation market, along with the absence of a large customer, poses a difficult task for car builders to organize serial production of isothermal rolling stock with small production volumes and various technical characteristics. Therefore, when creating isothermal and refrigerator cars, it is advisable to focus on a single universal car kit based on an isothermal body with the possibility of transforming it by using various options for energy refrigeration equipment and chassis.

In the article the analysis of safety when lifting one of the two cargo lifting cranes. Considered a method of increasing safety of works with the use of a radio channel for transmission and reception of information about the condition of the crane equipment, signals for controlling crane operations safety systems for cranes from crane operators and slingers, verbal exchange of information between the crane operators and slingers.