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International > MD/HD Truck > Vintage Engines > ISM EPA-04 Overview > Technical Specifications

Technical Specifications

Advertised Horsepower 280 - 500 bhp   Peak Torque 1150 - 1550lb-ft   Governed Speed 2100   Clutch Engagement Torque 700 lb-ft   Number of Cylinders 6   Bore and Stroke 4.9 x 5.8 inches  (125 x 147 mm) Engine Displacement 661 cubic inches (10.8 L) Oil System Capacity 10.3 U.S.. gallons (39 L) Operating Cycles 4   Weight (Dry) 2181 lbs (989 kg)

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