The Universal B-Series Continuous Quality Power
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DIESEL ENGINE Universal The Universal B-Series Continuous Quality Power The Legend Continues Makers of the world famous Atomic-4 and pioneers in premium marine diesel propulsion, Universal has struck again with its latest release, the Universal B-Series. The B-Series is powered by the latest advancements in diesel engine design. Some of the benefits from these advancements include cleaner emissions, reduced noise levels, and increased horsepower. All B-Series engines are naturally aspirated and deliver high low-end torque. All of which produce some of the most quiet and durable marine engines currently available. If you're looking to replace that aging Atomic-4, the Universal B-Series is still the boaters choice for Atomic-4 replacements**. The M3-20B, and M-25XPB offer many similar dimensional characteristics to the Atomic-4, making for a much easier installation. Universal holds a large inventory of spare parts for your engine including easy-to-buy spare parts kits, and gasket sets tailored to your particular engine. Parts and service are available worldwide. Universal engines can be serviced by over 600 authorized dealers strategically located in major navigable waterways in the United States and Canada, as well as in over 65 countries worldwide. It's easy to see why Universal is as popular today as it was 100 years ago. Stop by your local Universal Distributor or Dealer today to learn more about the latest in Universal Marine Power. ** Universal Atomic-4 replacements are not direct drop-ins in all cases. Some engine compartment reconfiguration may be required. Standard Features ■ Fresh water cooling ■ Circuit breaker protected electrical system ■ Gear driven raw water pump ■ Engine pre-wired to plug-in connector ■ E-Z bleed fuel system ■ 12 volt, 51 ampere alternator ■ Domestic hot water connection ■ Coolant recovery tank ■ Throttle, stop, and shift control brackets ■ Low oil pressure and high water temperature alarms ■ Transmission with 2.05:1 reduction ■ Glow plug cold starting aid ■ Engine matched four point, fail safe, adjustable mounts ■ Lube oil drain hose ■ Air intake silencer ■ Operators’ Manual and Parts List ■ Complies with U.S. EPA regulations Unit Dimensions Length 28.4" (721.4 mm) See other side for more dimension information Photographs may show optional equipment. Universal DIESEL MARINE ENGINES CELEBRATING 100 YEARS OF QUALITY MARINE POWER

DIESEL MARINE ENGINES Maximum Output at Crankshaft = 26 HP (19.0 kW) at 3000 rpm Construction – Engine Components Cylinder head Cylinder block Crankshaft Valves Fuel System Intake system Cooling system Universal recommends a propeller that will allow the engine to turn 3000 rpm underway at full throttle. Fuel density 0.840 kg/L at 15°C. Output includes +/- 5% tolerance. Specifications Number of cylinders Cycles Displacement Bore and stroke Compression ratio Maximum angle of installation Maximum angle of rotation Crankshaft, direction of rotation 3 Cylinder vertical in-line 4 Cycle 61.2 cu....