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C4.4 China NR4

Industrial Diesel Engines

Cat® C4.4 industrial diesel engines offer the perfect balance of durability, fuel efficiency and low emissions. Extensively tested on the job, these engines use a range of common rail fuel systems and advanced control systems to deliver maximum uptime in the harshest environment. They have proven they can handle the toughest applications and deliver superior performance that exceeds the expectations of the most demanding users. Industries and applications powered by C4.4 engines include: bore/drill rigs, chippers/grinders, material handling, mining, earthmoving equipment, paving equipment, pumps, fruit harvesters equipment, turf and underground mining equipment

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Maximum Power 129.4 kW
Maximum Torque 750 Nm @ 1400 rpm
Rated Speed 2000 to 2200 rpm
Minimum Power 110 kW
Availability Please Call Admin
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C4.4 China NR4
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FEATURES & BENEFITS

Installation

A modular and compact core on the Cat C4.4 makes installing the engine on any number of machine applications a relative breeze. And when downsizing from five-liter platfo... Read more

Advanced Features

With a 20% increase in power density and 30% increase in torque when compared to its predcessor engine, the compact design of the Cat C4.4 reduces heat loss for more effi... Read more

Ideal Applications

Industrial, agricultural and construction applications such as: pumps • compressors • chippers • grinders • asphalt paving equipment • hydraulic power units • bore rigs •... Read more

Total Cost of Ownership

There's a lot that can affect the lifetime cost of ownership of your engine. It can be as simple as fluid intake and as complex as weight distribution. Either way, the Ca... Read more

Cat Dealer Product Support

The Cat C4.4 makes maintenance and service routines simple thanks to the worldwide Cat dealer network support. And for even more peace of mind, your Cat engine comes unde... Read more

Safety

Built-in clean emissions modules keep the Cat C4.4 performing at its peak while also keeping the air around the work site cleaner. Read more

SPECIFICATIONS FOR C4.4 China NR4

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Power Rating
Maximum Power 129.4 kW
Maximum Torque 750 Nm @ 1400 rpm
Rated Speed 2000 to 2200 rpm
Minimum Power 110 kW
Emission Standards
Emissions China Nonroad Stage IV
General
Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 105 mm
Stroke 127 mm
Displacement 4.4 l
Compression Ratio 16.5:1
Aspiration Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment DOC+DPF+SCR
Engine Dimensions - Approximate
Length 630 mm
Width 748 mm
Height 897 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 535 kg
Aftertreatment Dimensions
Length 673 mm
Width 411 mm
Height 309 mm
Weight 50 kg
Aftertreatment Dimensions*
Diameter 270.3 mm

SELECT MODELS TO COMPARE

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C1.5

Maximum Power 30 kW
Maximum Torque 112 Nm @ 1800 rpm
Rated Speed 2200-3000 rpm
Minimum Power 20.7 kW
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C3.6 for Tractors

Maximum Power 100 kW
Maximum Torque 530 Nm @ 1500 rpm
Rated Speed 2000-2400 rpm
Minimum Power 55 kW
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C9.3

Maximum Power 298 kW
Maximum Torque 1719 Nm @ 1400 rpm
Rated Speed 1800-2200 rpm
Minimum Power 224 kW
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C13B

Maximum Power 430 kW
Maximum Torque 2634 Nm @ 1400 rpm
Rated Speed 1800-2100 rpm
Minimum Power 340 kW
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C13

Maximum Power 400 kW
Maximum Torque 2353 Nm @ 1400 rpm
Rated Speed 1800-2100 rpm
Minimum Power 287 kW
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3406C

Maximum Power 347 kW
Maximum Torque 2172 Nm @ 1350 rpm
Rated Speed 1800-2100 rpm
Minimum Power 280 kW
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C6.6

Maximum Power 129.4 kW
Rated Speed 2200 rpm
Minimum Power 89 kW
Emissions U.S. EPA Tier 4 Interim Equivalent
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C4.4

Maximum Power 150 kW
Maximum Torque 825 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 82 kW
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