MBE 4000 SERVICE MANUAL The general specifications for the MBE 4000 engine are listed in Table 1. Table 1 General Technical Information All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION 13 Description 6–Cylinder Engines Engine Type Vertical, inline cylinder block with turbocharger and charge-air cooler Cooling System Liquid Circuit Combustion Principle 4–Stroke direct-injection diesel Number of Cylinders 6 Bore 128 mm (5.03 in.) Stroke 166 mm (6.53 in.) Displacement 12.8 liters (781 in.3) Compression Ratio 17.25:1 Starting Speed Approximately 100 rpm Direction of Engine Rotation (viewed from flywheel) Counterclockwise Starter Electric Motor Engine “Dry” Weight 930 kg (2050 lb) Valve Lash (with engine cool) Intake = 0.40 mm (0.016 in.) Exhaust = 0.60 mm (0.024 in.) Valve Lift (at maximum valve clearance) Intake = 11.546 mm (0.45 in.) Exhaust = 11.963 mm (0.47 in.) Minimum Engine Oil Pressure At Idle rpm = 50 kPa (7 psi) At Maximum rpm = 250 kPa (36 psi) Fuel Injectors Minimum Opening Pressure = 27,500 kPa (3989 psi) Maximum Opening Pressure = 30,000 kPa (4350 psi) Coolant Thermostat Opening Temperature = 81 to 85 C (177 to 185 F) Normal Operating Temperature = 95 C (203 F)