Power Rating
| Power Range | 71 - 129 bkW 71 - 129 bkW |
Auxiliary Engines C4.4 (Electronic)
Key Specs
- Power Range
- 71 - 129 bkW
- 71 - 129 bkW
- Frequency
- 50 / 60
- 50 / 60
- Emissions
- U.S. EPA Tier 3, EU Stage V, China II
- U.S. EPA Tier 3, EU Stage V, China II
Features At A Glance
• Configure the engine how you want it, package it yourself
• Compact engine profile with high power density
• Ease of repower with multiple cooling system options: Single circuit keel cooling /Separate circuit keel cooling / Heat exchanger
• Clean, smooth, and quiet operations
• Advanced fuel system provides excellent fuel consumption and low smoke
• Proven core engine design with millions of operating hours
• Fewer maintenance touchpoints and longer service intervals
• Global dealer network for unparalleled support
Product Specifications for C4.4 (Electronic)
Generator Set Specifications
| Frequency | 50 / 60 50 / 60 |
Engine Specifications
| Emissions | U.S. EPA Tier 3, EU Stage V, China II U.S. EPA Tier 3, EU Stage V, China II |
| Rated Engine Speed | 1500 / 1800 rpm 1500 / 1800 rpm |
| Bore | 4.13 in 105 mm |
| Stroke | 5 in 127 mm |
| Displacement | 268 in³ 4.4 l |
| Aspiration | Turbocharged - Aftercooled and turbo only aspiration (Turbocharged aspiration only for 65ekW (71bkW)) Turbocharged - Aftercooled and turbo only aspiration (Turbocharged aspiration only for 65ekW (71bkW)) |
| Governor | Electronic (A5 ECM) Electronic (A5 ECM) |
| Configuration | In-line 4, 4-stroke-cycle diesel In-line 4, 4-stroke-cycle diesel |
| Refill Capacity | Lube Oil System w/Oil filter change: 11 L 2.8 gal) Lube Oil System w/Oil filter change: 11 L 2.8 gal) |
| Oil Change Interval | 500 hours 500 hours |
| Cooling | Heat exchanger, combined circuit keel cooling, or separate circuit keel cooling Heat exchanger, combined circuit keel cooling, or separate circuit keel cooling |
| Flywheel Housing | SAE No. 03 with SAE 11.5 flywheel (126 teeth) SAE No. 03 with SAE 11.5 flywheel (126 teeth) |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
Dimensions & Weights
| Length | 33.7 in 856 mm |
| Height | 40.9 in 1038 mm |
| Minimum Width | 30.6 in 778 mm |
| Maximum Width | 32 in 814 mm |
| Minimum Engine Dry Weight | 1200 lb 544 kg |
| Maximum Engine Dry Weight | 1278 lb 580 kg |
C4.4 (Electronic) Standard Equipment
COOLING SYSTEM
- Gear-driven jacket-water and auxiliary water pumps
- Engine mounted air cleaner and expansion tank
- Integral plate-type oil cooler
EXHAUST SYSTEM
- Watercooled exhaust manifold and turbocharger
FUEL SYSTEM
- Common Rail fuel system
- Electric fuel priming pump
GENERAL
- Internal engine balancing shaft
- Self-tensioning multi-vee belt drive
LUBE SYSTEM
- Open crankcase ventilation system
MOUNTING SYSTEM
- Engine mounted fuel and oil filter
- Engine mounted customer interface and control relays
STARTING SYSTEM
- 12V or 24V starter motor
C4.4 (Electronic) Optional Equipment
GENERAL
- MGGP 200 Gauge Panel and interface harness
- Engine shutdown sensors and shutdown controller
- Double wall high pressure fuel lines
- EMCP engine control panel
- Exhaust elbow and bellows
- Rear mounting feet
- Glow plugs
- Jacket water heater
- Jacket water connections (keel cooled)
- S•O•SSM sample points
- Glow plugs
assignment Product Brochures and More Are Ready to Download!
Caterpillar product brochures and other informational documents are available for your growing business.
- C4.4 Marine Auxiliary Engine Spec Sheet (65 ekW - 118 ekW) Downloadable PDF Opens in a New Tab file_download
- C4.4 Marine Auxiliary Engine Spec Sheet (71 bkW - 108 bkW) Downloadable PDF Opens in a New Tab file_download
- C4.4 (Electronic Control System) - Spec Sheet Downloadable PDF Opens in a New Tab file_download
- C4.4 GenSet (Electronic Control System) - Infographic Downloadable PDF Opens in a New Tab file_download
See how C4.4 (Electronic) compares against frequently compared products.
Marine Power Systems
C4.4 (Electronic)
Selected
- Power Range
- 71 - 129 bkW
- 71 - 129 bkW
- Frequency
- 50 / 60
- 50 / 60
- Emissions
- U.S. EPA Tier 3, EU Stage V, China II
- U.S. EPA Tier 3, EU Stage V, China II
Marine Power Systems
C7.1 (Electronic)
- Power Range
- 109 - 218 bkW
- 109 - 218 bkW
- Frequency
- 50 / 60
- 50 / 60
- Emissions
- U.S. EPA Tier 3, IMO II, EU Stage V, China II
- U.S. EPA Tier 3, IMO II, EU Stage V, China II
Marine Power Systems
C9.3 Auxiliary Engine
- Power Range
- 218 bkW - 325 bkW
- 218 bkW - 325 bkW
- Frequency
- 50 / 60
- 50 / 60
- Emissions
- IMO II, IMO III, U.S. EPA Tier 3, China Stage II
- IMO II, IMO III, U.S. EPA Tier 3, China Stage II
Media Gallery
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C4.4 Marine Auxiliary Engine
C4.4 Marine Auxiliary Engine
C4.4 Marine Auxiliary Engine
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C4.4 Electronic Control System
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