
M 34 DF propulsion
The M34DF engine, having a bore of 340 mm and a stroke of 460 mm, is available as an in-line engine with 6,8 and 9 cylinders. The output ranges from 3,000 kW (6M34DF) to 4,500 kW (9M34DF) at 720 and 750 revolutions per minute.
For more information about the M34DF download the document or visit http://www.marine.cat.com
Quick Facts
- kW3,000 - 4,500
- rpm720/750
- bore340
- stroke460
- g/kW188
Dimensions and weight

Specs
• Fully automated engine control• Modular engine design
• Conventional marine injection system and ignition fuel system
• MDO pilot fuel capable
• Minimal methane slip
• Operation on natural gas with low methane number at reduced load
• Supports HFO operation according to CIMAC H55/K55 in diesel mode