Caterpillar C7.1-ME425 Marine Main Engine

Cat only provides customize service for the large quantity orders or large OEMs, which means usually the order quantity are higher than 1000 units. For the small quantity Engine project, EMAC provides customize services with our own resource and Engine team.
EMAC have rich experience on the customize developing, which provides abundant optional items based on the requirement of each project. The typical optional items are special Prestolite charging alternator, prestolite starter motor, Knorr Air compressor. Valeo air conditioning compressor, ECU output socket set, Engine accelerate pedal etc.

As explained in the standard scopes of supply, caterpillar not able to provide customize developing for small quantity projects or small OEMs, so EMAC helps SME OEMs to provide customize services, not only providing additional optional items, but also provides customize modification services to meet their requirements based on the exisiting Engine SO number.
As flexible service ability is our core advantages, EMAC is very experienced and good at providing customize services, the common customize services are as below:
1: AIr Intake System: Change the air intake direction.
2: Air Exhuast System: We are able to change the turbocharger direction as the interaction on installation could be occured, also change change the air exhuast direction.
3: Lubricating System: Modify lubricating system is one of the most common requirement from customer, we can provide flat-type Engine oil pan, to lower down total Engine height, which usually required for special vehicles. For the standard Engine oil pan, we also can change the direction of the Engine oil pan.
4: Cooling System: There are lots of options for the Engine cooling system, for the Engine fan, we can provide customize for the material of Engine fan (plastic fan or steel fan), wind direction of the Engine fan (blower fan or suction fan ) and types of Engine fan (mechanical fan or electric control fan).
5: Power Output System: Most of electronic controlled caterpillar marine Main Engine are comes with SAE#1 flywheel housing now, while lots of customers need SAE#2 flywheel because of the housing of transmissio is SAE#2, so we have to provide customzie services for those customer, which need to modify flywheel housing, flywheel and starter motor, we also have PTO integrated type flywheel housing available, which can output the whole power of the Engine from the PTO on the flywheel housing, we can also provide modification of the mounting side of the starter motor.
6: Electric System: All of caterpillar Engine are comes with standard 24V electric system, while some customer need to modify the electric system into 12V, we can also modify the starter motor and alternator into appointed brand or appointed specifications.
EMAC is your reliable professional power system partner, feel free to contact our services team to get detailed information about our standard scopes of supply, optional items and modifiable parts for our caterpillar marine Main Engine, we are ready to explore the journey of our cooperation.

To choose a suitable Engine for truck, bus or special vehicle manufacturer is quite simple, because the buyer is the manufacturer, so usually they are quite flexible with space, pipes and wiring connections.
The following process are the standard process for us to select a suitable Engine model for truck, bus or special vehicle manufacturer demand.
Step 1: We need basic information of the required Engine, including rated power, rated speed and emission standard of the required Engine.
Step 2: EMAC will evaluate the requirement and select the suitable Engine model for customer, with Engine data sheet, Engine performance curve, CAD darwing, 3D model and budgetary quotation provided back to customer.
Step 3: Customer should check and compare the Engine data sheet, performance curve and related drawing and confirm all details one by one. Most important thing is confirm the performance curve suitable for the requirement.
Step 4: After Engine confirmed, we have to check and confirm the specifications of accessories one by one carefully, like the electric system specifications (12V or 24V), the detailed specifications of starter motor, charging alternator, air compressor, power steering pump, A/C compressor etc.
Step 5: Confirming the accessories positions and connections, customer need to check and confirm all positions are suitable for the project, such as Engine fan, turbocharger, oil pan position, and connections of air pipe, coolant pipe, wiring harness etc.
Step 6: After confirming the Engine performance, position, connection and specifications of all accessories, we will be able to provide accurate quotation for prototype and batch order. Prototype is strongly recommend to start the cooperation, to avoid the possible problem, risky on the Engine with batch order.
Notes:
1: Technical support including technical training, onsite installation and commissioning services are avaiable with additional chargers.
2: We are able to supply complete powertrain system, including Engine, transmission, transfer, axle, suspension etc, Engine with transmission is highly recommended, because if we supply both Engine and transmission, we can run simulations for the vehicle, which we usually will provide customer a simulation report, with the simulated result of Balanced Maximum Vehilce Speed and Maximum Grade Ability at different speed.
3: EMAC able supply complete chassis that integrate all powertrain system together, which can greatly reduce the manufacturer's design works and reduce the system mismatching risky.

caterpillar is one of 50:50 joint venture of caterpillar in China, its official caterpillar factory that following high caterpillar USA production and quality control standard, the caterpillar factory swap every 5 years between appointed employee from caterpillar Motor and caterpillar. For more details, you can refer to the company introduction of caterpillar Engine Company.