Caterpillar C175

The Caterpillar C175 is a family of diesel internal combustion engines made by Caterpillar. The engine is 5.3 litres per cylinder in displacement. The cylinder size is 175 millimetres (6.9 in) x 220 millimetres (8.7 in) bore/stroke. The engine can produce 1500-4800 horsepower at 1800 RPM. The peak torque occurs at an engine speed of 1500 RPM. The engine weighs over ten tonnes. The Cat C175 is often used in locomotives, passenger-class ships and Caterpillar haul trucks like the 793F and 797F.

Caterpillar C175
Overview
Manufacturer	Caterpillar Incorporated
Layout
Configuration	V16 V20
Displacement	5,289 cubic centimetres (322.8 in3) per cylinder
Cylinder bore	175 millimetres (6.890 in)
Piston stroke	220 millimetres (8.661 in)
Valvetrain	Side camshaft, 4 valves per cylinder
Compression ratio	15.3:1
RPM range
Idle speed	500
Max. engine speed	2100
Combustion
Turbocharger	Double or Quad
Fuel system	Common Rail/EUI™
Management	Electronic (ACERT) with mechanical failsafe
Fuel type	Diesel
Oil system	Wet sump
Cooling system	Water cooled
Output
Power output	up to 4,000 kilowatts (5,364 hp) @ 1800 rpm (marine/military rating)
Torque output	9,260 newton-metres (6,830 lbf⋅ft) @ 1500 rpm
Dimensions
Dry weight	up to 10.45 tonnes (10.285 long tons; 11.519 short tons)
Emissions
Emissions target standard	EPA Tier 4 Final or IMO III
Emissions control systems	Exhaust gas recirculation
Chronology
Predecessor	Caterpillar 3500 series engine

Sample Applications

• EMD F125
• Caterpillar 797F
• Stadler Eurolight (including British Rail Class 68)
• Stadler Euro Dual (e.g. as German "Class 159" for European Loc Pool)

See also

• SEMT Pielstick PA4 series engine
• MTU V4000 engine
• Cummins QSK95
• Mitsubishi SR2-PTA series engine