Caterpillar C7.1 China NR4
| Engine Model | C7.1 China NR4 |
| Maximum power: | 205 kW |
| Peak Torque: | 1257 Nm @ 1400 rpm |
| Type | 6 Cylinders, in Line |
| Rated speed | 2200 rpm |
| Minimum power | 130 kW |
| Emissions | China Non-road National IV Standard |
| Bore * Stroke | 105 mm * 135 mm |
| Packing Size (L * W * H) | 870mm * 798mm * 911mm |
| Lead Time: | 5-15 Working Days |
General Infomation of C7.1 China NR4 Diesel Engine
| General Infomation of C7.1 China NR4 Diesel Engine | |
| Engine Model | C7.1 China NR4 diesel engine |
| Maximum Power | 205 kW |
| Maximum Torque | 1257 Nm @ 1400 rpm |
| Rated Speed | 2200 rpm |
| Minimum Power | 130 kW |
| Emissions | China Non-road National IV Standard |
| Engine Configuration | Inline 6-cylinder |
| Bore | 105 mm |
| Stroke | 135 mm |
| Displacement | 7 l |
| Compression Ratio | 16.5:1 |
| Intake Method | CoTurbocharged, Aftercooled (TA) |
| Combustion System | Direct Injection |
| Rotation (from Flywheel End) | Counterclockwise |
| Aftertreatment Devices | DOC+DPF or DOC+DPF+SCR |
| Length | 870 mm |
| Width | 798 mm |
| Height | 911 mm |
| Dry weight – basic operating engine, without optional accessories | 845 kg |
C7.1 China NR4 Standard Equipment
C7.1 China NR4 Standard Equipment
Air Intake
Standard Air Filter
Control System
Fully electronic control system with waterproof connectors and wiring bushings to withstand harsh off-road environments
Flexible, configurable software and widely supported SAE J1939 CAN bus allow for high machine integration
Cooling System
108°C (226°F) top tank temperature is standard, minimizing cooling package size
50:50 water/glycol mixture
Cooling system design guidelines are available from your dealer to ensure equipment reliability
Flywheel and flywheel housing
Multiple powertrain interface options, including SAE 1, SAE 2, and SAE 3 configurations
Fuel System
Electronic high-pressure common rail
Innovative filter design ensures optimal engine protection
Lubrication System
Multiple oil sump options for different applications
General Purpose
Paint: Caterpillar Yellow, optional colors available upon request
Aftertreatment/Clean Emission Control Equipment
Clean Emission Module (CEM) consisting of a Diesel Particulate Filter (DPF) and a Diesel Oxidation Catalyst (DOC)
Nitrogen Oxide Reduction System (NRS)
Selective Catalytic Reduction (SCR)
3″ hose connection with straight, 45°, and 90° options for increased flexibility
