General data of Cummins 6BTA5.9-C180Construction Machinery Engine
Engine Model	Cummins6BTA5.9-C180
Type	6 cylinder in line
Displacement	5.9L
Bore&Stroke	102×120mm
Dry Weight	453 KG
Dimension(LWH)	1026699912(mm)
Center of gravity from front face of block	391 mm
Center of gravity above crankshaft centerline	140 mm

Technical data of Cummins 6BTA5.9-C180 Construction Machinery Engine
Aspiration	Turbocharged Water-Air intercooled
Fuel System	PW Pump/RSV Governor Regulation 8%
Coolant capacity-engine only	10.4 litre
Minimum ldle speed	800 RPM
Maximum Speed(10%rated load)	2450 RPM
Compression ratio	16.81
Piston Speed
Firing Order	1-5-3-6-2-4

Performance Date of Cummins 6BTA5.9-C180 Construction Machinery Engine
Rated Output	132KW/180HP
Rated Speed	2200RPM
Max Torque/Speed	750N.m/1300RPM
Torque/Rated Speed	575N.m/2200RPM
Minimum Fuel Consumption/speed	206g/KW.h/1600RPM
Maximum Fuel Consumption/speed	231g/KW.h/800RPM
Fuel Consumption/rated speed	227g/KW.h/2200RPM

Disassembly Procedures for Cummins Engine

I. Disassembly Steps

1. **Prepare Tools and Documentation**
Before initiating the disassembly process, ensure all necessary tools are prepared, including screwdrivers, wrenches, lifting equipment, and cleaning cloths. Additionally, consult the relevant technical manuals and specifications for the Cummins engine to ensure proper reassembly.

2. **Mark Components**
Prior to disassembly, mark the relative positions of all components using labels or marking pens. This ensures accurate reassembly and prevents misalignment during the reinstallation process.

3. **Drain Fuel and Lubricating Oil**
Drain the fuel and lubricating oil from the engine completely before proceeding with disassembly. This step is crucial to prevent contamination and potential damage to internal components during the disassembly process.

4. **Remove External Connectors**
Carefully disconnect all external connectors, including intake pipes, exhaust pipes, cooling water hoses, and electrical wiring. Exercise caution to avoid damaging or losing any connectors during this process.

5. **Remove Cylinder Head**
Use appropriate tools such as a torque wrench to remove the cylinder head bolts in the recommended sequence. Gently lift off the cylinder head, ensuring that sensitive components like the pressure sensor and ignition coil are carefully handled to prevent damage.

6. **Remove Oil Pan**
Before removing the oil pan, ensure that all remaining engine oil has been drained. Loosen and remove the bolts securing the oil pan, taking care to prevent it from slipping and causing injury. Place the oil pan on a stable surface to avoid damage.

7. **Remove Pistons and Crankshaft**
The removal of pistons and the crankshaft requires specialized tools and should be performed according to the manufacturer's specified sequence and direction. Adhere strictly to safety protocols to avoid personal injury and component damage.