R2.8 CM2220 R101B Engine Mounting Section 1 - Installation by Subsystem Page 1-1 Installation Overview (388-001) General Information The Cummins® R2.8 CM2220 R101B engine is a repower engine designed to be installed in a multiple of vehicles. Each vehicle is different and a different approach may be required for a successful installation. The R2.8 CM2220 R101B engine horsepower and torque may exceed the capability of the existing drivetrain components, and thus must be addressed during planning for your repower. The original towing capability of the vehicle will not be increased by the increase in engine power.
The R2.8 CM2220 R101B has demonstrated through testing procedures prescribed in 40 Federal Regulations (CFR) Part 86 to meet Environmental Protection Agency (EPA’s) Tier 0 (Light Duty Truck (LDT) 1 and 2) and Tier 1 emissions standards (LDT 2 weighing less than 1814 kg [4000 lb] complete weight). This means that the R2.8 CM2220 R101B generally is suitable for Model Year 1999 or earlier light duty trucks. However, the suitability of the engine to any vehicle is the responsibility of the installer and may depend on state or area laws. Installation of this engine in a vehicle for which it is not intended may violate U.S. and Canadian laws and regulations related to motor vehicle emissions.
Check your state and local emissions requirements before purchasing. The recommendations contained in this publication are intended to assist you in a safe and successful installation. Should you feel uncomfortable completing any of the necessary tasks, it is highly recommended you confer with a capable individual, or contact a Cummins® Authorized Repair Location. The engine is shipped in a wooden box or crate. It is the responsibility of the technician to properly secure the engine assembly at all times during the installation process. At no time can the engine be set on the oil pan.
The structure of the oil pan is incapable of supporting the weight of the engine and/or engine transmission system. Before installing the engine, multiple preparations must be made to make the installation successful. Some dimensions are critical. If the correct specifications are not adhered to, damage to the engine or vehicle can result. Items that must be considered are: Engine and vehicle dimensions Chassis interference Engine and transmission mountings Driveline alignment Fuel system preparation Cooling system capacity Charge air cooler mounting and connection Exhaust system Electrical system Steering system Braking system. NOTE:
Additional information, including a gearing calculator, can be found at:https://cumminsengines.com/ repower.aspx. Engine Mounting (391-001) General Information Below are different engine dimensions to better determine the space and alignment points for the overall engine. These dimensions are for the crated engine without additional components, such as clutch, transmission, fan, intake, and exhaust connections. To buy Cummins Parts and Service Manuals, Training Guides, or Tools go to our website at https://store.cummins.com