Product type:
Industrial diesel engine
Engine configuration:
Inline 4-cylinder, water-cooled
Displacement:
4.4 liters (269 cu in)
Serial number range covered:
4461-up
Production years covered:
N/A - not stated in the manual
Manual publication language:
English
Target audience:
Equipment owners, fleet maintenance technicians, and service workshops
Equipment applications:
Construction, agriculture, material handling, and power generation
Fuel system:
Common rail electronic fuel injection
Power range:
94 to 168 horsepower
Torque range:
380 to 650 Nm
Emissions:
Meets varying emission standards depending on rating
Design focus:
Reliability and efficiency in demanding environments
Manual type:
Parts manual
Models covered:
Caterpillar C4.4 industrial engines, serial numbers 4461-up
Systems covered:
Engine assembly, fuel system, cooling system, lubrication system, electrical system, intake and exhaust
Procedures:
Parts identification and ordering; includes critical engine specifications and fluid capacities
Delivery method:
Instant download
Page count:
N/A - not specified
Engine assembly:
Cylinder block, cylinder head, front and rear housings, covers
Cylinder head and valvetrain:
Valve cover, valves, springs, camshaft, rocker arm assemblies
Pistons and connecting rods:
Pistons, rings, pins, connecting rod bearings
Crankshaft and bearings:
Crankshaft, main bearings, thrust bearings, rear seal
Fuel system:
Common rail pump, injectors, fuel lines, fuel filter, sensors
Cooling system:
Water pump, thermostat, coolant lines, radiator (where applicable)
Lubrication system:
Oil pump, oil filter, oil cooler, dipstick, oil pan
Air intake and exhaust:
Air cleaner, turbocharger, intake manifold, exhaust manifold
Electrical system:
Alternator, starter motor, sensors, wiring harness connectors
Governor and controls:
Electronic control module, sensors, actuators
Diagrams:
Illustrated parts breakdowns with exploded views
Part numbers:
Caterpillar part numbers listed for each component
Assembly sequences:
Parts arranged by assembly group for accurate identification
Fluid capacities:
Included for engine oil, coolant, and fuel system
Specifications:
Critical engine specifications provided for reference
Detail level:
Component-level part identification and ordering information
Intended use:
Maintenance planning, repair parts lookup, and inventory management
Serial number applicability:
C4.4 engines 4461-up
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine type:
Inline 4-cylinder diesel, water-cooled
Displacement:
4.4 liters (269 cu in)
Bore:
N/A - not specified for this model
Stroke:
N/A - not specified for this model
Aspiration:
Naturally aspirated, turbocharged, or turbocharged aftercooled depending on rating
Power range:
94 to 168 horsepower
Torque range:
380 to 650 Nm
Rated speed:
N/A - varies by rating
Type:
Common rail electronic fuel injection
Emission compliance:
Meets varying emission standards depending on rating
Wheelbase:
N/A - not applicable to engine
Length:
N/A - not specified for this model
Width:
N/A - not specified for this model
Height:
N/A - not specified for this model
Curb weight:
N/A - not applicable to engine
Dry weight:
N/A - not specified for this model
Oil change:
Per Caterpillar maintenance schedule; refer to manual for interval based on application and duty cycle
Fuel filter:
Replace at intervals specified in manual; typically every 500 hours
Air filter:
Inspect and replace per manual; interval depends on operating environment
Coolant:
Check level regularly; replace per Caterpillar coolant recommendations
Engine oil:
Caterpillar diesel engine oil or equivalent meeting required API classification
Coolant:
Caterpillar extended life coolant or equivalent
Fuel:
Diesel fuel meeting Caterpillar specification
Belts and hoses:
Inspect for cracks, glazing, or leaks; replace as needed
Injectors:
May require service or replacement at high hours
Turbocharger:
Inspect for oil leaks and boost performance
Manufacturer:
Caterpillar Inc.
Brand heritage:
Caterpillar is a leading manufacturer of construction and mining equipment, diesel and natural gas engines, and industrial gas turbines
Model evolution:
C4.4 engine series developed for industrial applications, serial numbers 4461-up
Production location:
N/A - not specified in the manual
