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CM850 Electronic Control System – 018-015   General Engine

Table of Contents

Specifications

Specifications

 TOC

Listed below are the general specifications for this engine.

Horsepower  Refer to engine dataplate 
Firing Order  1.5.3.6.2.4 
Crankshaft Rotation (viewed from front of engine)  Clockwise 
Displacement   
     – ISB/QSB5.9  5.9 liters [360 in3] 
     – ISBe4 4.5/QSB4.5  4.5 liters [275 in3] 
     – ISBe4 6.7/QSB6.7  6.7 liters [409 in3] 
     – ISC/QSC  8.3 liters [504.5 in3] 
     – ISL/QSL  8.9 liters [540 in3] 
Bore and Stroke   
     – ISB/QSB5.9  102 mm [4.02 in] X 120 mm [4.72 in] 
     – ISBe4  107 mm [4.21 in] X 124 mm [4.88 in] 
     – ISC/QSC  114 mm [4.49 in] x 135 mm [5.32 in] 
     – ISL/QSL  114 mm [4.49 in] x 144.5 mm [5.69 in] 
Dry Weight   
     – ISB/QSB5.9   
          – Automotive and Industrial  519 kg [1144 lb] 
     – ISBe4 4.5/QSB4.5  371 kg [818 lb] 
     – ISBe4 6.7/QSB6.7  485 kg [1069 lb] 
   
          – Marine with Heat Exchanger System – Average  612 kg [1350 lb] 
     – ISC/QSC   
          – Automotive and Industrial  694 kg [1530 lb] 
          – Marine  880 kg [1940 lb] 
          – Marine with Heat Exchanger System – Average  896 kg [1975 lb] 
     – ISL/QSL   
          – Automotive and Industrial  706 kg [1555 lb] 
          – Marine  891 kg [1965 lb] 
          – Marine with Heat Exchanger System – Average  907 kg [2000 lb] 
Overhead Adjustment   
     – ISB/ISBe4/QSB   
          – Intake Valve Adjustment  0.254 mm [0.010 in] 
          – Exhaust Valve Adjustment  0.508 mm [0.020 in] 
     – ISC/QSC/ISL/QSL   
          – Intake Valve Adjustment  0.305 mm [0.012 in] 
          – Exhaust Valve Adjustment  0.559 mm [0.022 in] 
Engine Brake Adjustment  2.286 mm [0.090 in] 

NOTE: The ISB and QSB engines feature a no-adjust overhead. The valve train is designed such that adjustment of the valve lash is not required for normal service during the first 241,402 km [150,000 mi]. The valve train operates acceptably within the limits of 0.152- to 0.381-mm [0.006- to 0.015-in] intake valve lash and 0.381- to 0.762-mm [0.015- to 0.030-in] exhaust valve lash. It is recommended that the valve lash be checked around 241,402 km [150,000 mi] and every 81,000 km [50,000 mi] thereafter.
Last Modified:  24-May-2006
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