Cummins ISB6.7 CM2250 EPA 2007 Introduction Qualified Techs

About Cummis

Cummins offers a wide range of engine power options that are reliable, durable and environmentally friendly. The company manufactures motors according to Tier I - Tier IV standards. Optionally, you can purchase a mechanically or electronically controlled model that meets the stringent carbon emission requirements. Cummins diesel engines are designed for mining applications. They are characterized by economical fuel consumption and high reliability. The equipment equipped with Cummins engines has no equal in terms of performance.

General Engine Specifications

No 4 Cylinder version

No 24 VDC version

Bore and Stroke 4.21 in [107 mm] X 4.88 in [124 mm] (CM850 4.02 in [102 mm] X 4.72 in [120 mm]

Displacement 409 C.I.D. [6.7 liters]

Firing Order 1 5 3 6 2 4

Altitude Limit 12,000ft (3658 m)

Maximum Overspeed 4200 rpm

Intake Valve Clearance 0.010 in [0.254 mm]

Exhaust Valve Clearance 0.026 in [0.660 mm]

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