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Engine Performance
Poor vessel performance is traditionally believed to be the result of a lack (or loss) of engine performance, when in fact the engine is only one of numerous factors that influence the overall performance of a vessel. Several factors determine the power demand on an engine. The engine has no control over the demand made upon it by the vessel design, such as hull, prop and driveline design. These same factors also affect the amount of power available to perform additional work such as to drive auxiliary pumps.If you feel you have a vessel performance problem, first consider the impact of vessel design and condition, loads, propeller and driveline condition, etc. on power demand. Deterioration of vessel systems (cooling, air intake and exhaust, fuel tanks, etc.) can only lessen the engine's chance to produce power and vessel speed. In the case of poor fuel economy, the engine is not likely to be the cause without the presence of excessive exhaust smoke and/or a significant loss of power.If you feel you have a valid engine performance problem, contact an authorized Caterpillar marine engine servicing dealer for assistance. If your engine is under warranty then the Caterpillar warranty will cover the cost of resolving a valid engine performance deficiency. However, if the engine is not found at fault, all costs incurred will be the responsibility of the owner. Adjustment of the fuel system outside Caterpillar specified limits will not improve fuel efficiency and could result in damage to the engine.Your Caterpillar dealer can determine engine condition and check the engine's external systems using a diagnostic procedure called the Marine Engine Performance Analysis Report (PAR). (See next topic).Caterpillar engines are designed and manufactured using state-of-the-art technology to provide maximum fuel efficiency and performance in all applications. To insure optimum performance for the life of your engine, follow the recommended operation and preventive maintenance procedures described in this publication.Marine Engine Performance Analysis Report (PAR)
Today's marine user is concerned with performance, cost of operation and satisfactory engine life. Traditionally, vessel performance has been directly related to the propulsion engine, when in fact the engine is only one of numerous factors influencing the propulsion system.To verify the condition of the propulsion system, Caterpillar has developed the Marine Engine Performance Analysis Report (PAR) program. Marine Engine PAR is an in-vessel test procedure, performed and evaluated by Caterpillar certified Marine Analysts under normal or bollard operating conditions, comparing the performance of all marine engine systems to original factory test cell specifications.When Marine Engine PAR testing is conducted at Sea Trial, it can assure you of a quality installation that confirms hull, rudders, propeller, marine transmission, ventilation and cooling systems are all properly matched for optimum performance and fuel efficiency.Caterpillar additionally recommends regularly scheduled (see Maintenance Schedule) Marine Engine PAR analyses to maintain optimum performance. Periodic PAR analyses can define propulsion system deterioration and aid in fine tuning the maintenance, repair and overhaul schedules, which will provide you the most economical and efficient cost of operation.
Poor vessel performance is traditionally believed to be the result of a lack (or loss) of engine performance, when in fact the engine is only one of numerous factors that influence the overall performance of a vessel. Several factors determine the power demand on an engine. The engine has no control over the demand made upon it by the vessel design, such as hull, prop and driveline design. These same factors also affect the amount of power available to perform additional work such as to drive auxiliary pumps.If you feel you have a vessel performance problem, first consider the impact of vessel design and condition, loads, propeller and driveline condition, etc. on power demand. Deterioration of vessel systems (cooling, air intake and exhaust, fuel tanks, etc.) can only lessen the engine's chance to produce power and vessel speed. In the case of poor fuel economy, the engine is not likely to be the cause without the presence of excessive exhaust smoke and/or a significant loss of power.If you feel you have a valid engine performance problem, contact an authorized Caterpillar marine engine servicing dealer for assistance. If your engine is under warranty then the Caterpillar warranty will cover the cost of resolving a valid engine performance deficiency. However, if the engine is not found at fault, all costs incurred will be the responsibility of the owner. Adjustment of the fuel system outside Caterpillar specified limits will not improve fuel efficiency and could result in damage to the engine.Your Caterpillar dealer can determine engine condition and check the engine's external systems using a diagnostic procedure called the Marine Engine Performance Analysis Report (PAR). (See next topic).Caterpillar engines are designed and manufactured using state-of-the-art technology to provide maximum fuel efficiency and performance in all applications. To insure optimum performance for the life of your engine, follow the recommended operation and preventive maintenance procedures described in this publication.Marine Engine Performance Analysis Report (PAR)
Today's marine user is concerned with performance, cost of operation and satisfactory engine life. Traditionally, vessel performance has been directly related to the propulsion engine, when in fact the engine is only one of numerous factors influencing the propulsion system.To verify the condition of the propulsion system, Caterpillar has developed the Marine Engine Performance Analysis Report (PAR) program. Marine Engine PAR is an in-vessel test procedure, performed and evaluated by Caterpillar certified Marine Analysts under normal or bollard operating conditions, comparing the performance of all marine engine systems to original factory test cell specifications.When Marine Engine PAR testing is conducted at Sea Trial, it can assure you of a quality installation that confirms hull, rudders, propeller, marine transmission, ventilation and cooling systems are all properly matched for optimum performance and fuel efficiency.Caterpillar additionally recommends regularly scheduled (see Maintenance Schedule) Marine Engine PAR analyses to maintain optimum performance. Periodic PAR analyses can define propulsion system deterioration and aid in fine tuning the maintenance, repair and overhaul schedules, which will provide you the most economical and efficient cost of operation.