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Growshine Chongqing Cummins NT855 NTAA855-C360S20 SO15674 Engine Spare Parts for Zoomlion ZD320-3 Bulldozer
Growshine Chongqing Cummins NT855 NTAA855-C360S20 SO15674 Engine Spare Parts for Zoomlion ZD320-3 Bulldozer

Growshine Chongqing Cummins NT855 NTAA855-C360S20 SO15674 Engine Spare Parts for Zoomlion ZD320-3 Bulldozer

发布日期:2025.08.31 浏览量:

产品描述

Growshine Chongqing Cummins NT855 NTAA855-C360S20 SO15674 Engine Spare Parts for Zoomlion ZD320-3 Bulldozer

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We support Custom Design and Production for all types of Cummins Engine Parts, Bulldozer Undercarriage, and other NT855 or SO15674 related components!

Premium Chongqing Cummins Engine Parts for Zoomlion ZD320-3 Bulldozer

Growshine International, known as 格莳国际 in Chinese, is your reliable source for high-quality engineering machinery parts, heavy-duty truck spares, agricultural machine components, and automotive accessories through our global import and export trade network. We specialize in supplying critical engine components, including the highly sought-after parts for the Chongqing Cummins NT855 and NTAA855-C360S20 engines, specifically compatible with the Zoomlion ZD320-3 Bulldozer.

This product line focuses on the key component identified by the part number SO15674, which also includes the simplified version SO15674. Proper maintenance of the Cummins NT855 engine is vital for ensuring the longevity and performance of your Zoomlion ZD320-3. We ensure all our heavy truck spare parts and construction machine parts meet stringent quality requirements, making us a top choice for diesel engine parts supply and undercarriage parts replacement.

Essential Components for NT855 NTAA855-C360S20 Engines

Our commitment at Growshine International is to provide comprehensive support for your equipment maintenance needs. We stock parts for the powerful Cummins NT855-C360S20 and NTAA855-C360S20 engine models. These engines are critical in large equipment like the Zoomlion ZD320-3 Bulldozer. The specific part number NT855-C360S20 and its non-hyphenated variant NT855C360S20, alongside NTAA855-C360S20 (NTAA855C360S20), are central to the engine's operation.

Looking for affordable bulldozer replacement parts? Need Cummins fuel injection pump overhaul kits? Searching for a reliable Zoomlion ZD320-3 track shoe supplier? We are specialists in Cummins diesel engine components wholesale and heavy equipment radiator replacement. Our inventory includes parts for various engine systems, covering everything from the NT855 cylinder head gasket replacement to genuine Cummins engine oil cooler and construction machine air filter elements. We also provide services for heavy truck brake drum sourcing and agricultural machinery hydraulic cylinder repair kits. For professional buyers seeking reliable engine overhaul parts or wholesale engine starter motors, Growshine International is your trusted partner.

Part Number SO15674 and Zoomlion ZD320-3 Bulldozer Compatibility

The crucial part SO15674 (and SO15674) is a confirmed fit for the powerful Zoomlion ZD320-3 bulldozer, powered by the Chongqing Cummins engine. Maintaining this powerful piece of construction equipment requires genuine or high-quality aftermarket parts. Growshine International ensures a stable supply chain for Zoomlion ZD320-3 spare parts, including dozer final drive components and undercarriage parts.

We are experts in heavy equipment turbocharger systems and offer a wide range of parts for Cummins engine fuel system repair, including Cummins KTA19 parts price list and QSK60 engine liner kits. Furthermore, we handle the import and export of Chinese heavy truck clutch assembly, farm tractor transmission gears, construction machine hydraulic pump parts, and affordable earthmoving machine parts. Need high-performance engine filters or reliable auto suspension components? We are the global distributor you can count on for Cummins QSL9 engine parts overseas and heavy machinery electrical parts sourcing.

Key Machinery Components Glossary

Connecting Rod: The part connecting the piston to the crankshaft. It converts the reciprocating motion of the piston into the rotary motion of the crankshaft. Example: Caterpillar 345D Connecting Rod (Engine).
Hydraulic Pump: Generates hydraulic power flow for the machine's various movements. Example: Komatsu PC200-8 Hydraulic Main Pump (Hydraulic System).
Track Roller: Supports the weight of the machine and guides the track chain. Example: Zoomlion ZD320-3 Track Roller (Undercarriage).
EGR Valve (Exhaust Gas Recirculation Valve): Controls the amount of exhaust gas that is routed back into the engine's intake system to reduce nitrogen oxide emissions. Example: Volvo VNL EGR Valve (Engine/Exhaust System).
Clutch Assembly: Disengages and engages the engine from the transmission to allow for smooth gear changes in manual vehicles. Example: Sinotruk HOWO Clutch Pressure Plate (Transmission System).
Fuel Injector: Sprays fuel into the engine's combustion chamber. Example: John Deere 6155R Fuel Injector (Fuel System).
Starter Motor: An electric motor that rotates the internal combustion engine to initiate the engine's operation. Example: Isuzu FVR Starter Motor (Electrical System).
Brake Caliper: Houses the brake pads and pistons; essential for slowing or stopping the wheel. Example: Mercedes-Benz C-Class Brake Caliper (Brake System).
Turbocharger: A forced induction device that increases an internal combustion engine's power output by forcing extra air into the combustion chamber. Example: Cummins ISX15 Holset Turbocharger (Engine).
Tie Rod End: A component in the steering system that connects the tie rod to the steering knuckle. Example: Toyota Camry Tie Rod End (Steering System).

Troubleshooting: Excavator Engine Overheats (Example: Komatsu PC400-8)

Issue: The engine temperature gauge on a Komatsu PC400-8 Excavator frequently shows overheating, particularly during heavy load operation. The engine is a SAA6D125E-5 Diesel Engine.

Common Causes & Solutions:

  1. Low Coolant Level: Check the radiator and expansion tank. Top up with the correct coolant mixture. Inspect for leaks (hoses, radiator, water pump).

  2. Clogged Radiator/Oil Cooler: Dust, dirt, and debris can obstruct airflow. Clean the radiator and oil cooler fins thoroughly using compressed air or water (work from the engine side outwards). This is a common failure point for heavy equipment radiator systems.

  3. Faulty Thermostat: If the thermostat is stuck closed, coolant cannot circulate properly. Replace the thermostat.

  4. Defective Fan Clutch/Drive: Ensure the cooling fan is operating effectively and spinning at the correct speed. Check the fan belt tension or fan motor (if hydraulic).

  5. Water Pump Failure: A worn or failed water pump impeller will reduce coolant circulation. Inspect and replace the engine water pump if necessary.

Immediate action is required to prevent major damage to the diesel engine components.

Product Knowledge: The Role of the Chongqing Cummins NT855 Engine

The Cummins NT855 series engine is a legendary, powerful, and reliable diesel engine widely used in heavy-duty applications, including the Zoomlion ZD320-3 Bulldozer. The designation NTAA855-C360S20 typically indicates a high-output, turbocharged and aftercooled (TAA) version with a specific power rating (360 horsepower) and emissions standard (S20).

These engines are renowned for their durability, making them a cornerstone in construction machinery parts supply. Key to their performance are robust internal components and a precise fuel system. Regular maintenance with parts like the SO15674 ensures the high horsepower and torque needed for continuous operation of large equipment like the ZD320-3 Bulldozer's heavy pushing and ripping tasks.

Your Global Sourcing Partner for Turbochargers and Hydraulic Products

Growshine International is a leader in supplying high-demand spare parts. Use the links below to quickly locate the components you need for your equipment:

Growshine International - Your Reliable Global Parts Trading Partner

Growshine International (格莳国际) specializes in the global import and export trade of engineering machinery spare parts, heavy truck components, agricultural equipment parts, and automotive accessories. We are dedicated to providing comprehensive and cost-effective sourcing solutions for global distributors and large fleet operators. Our core strength lies in securing high-quality, genuine, and reliable aftermarket components for critical systems like the Cummins NT855 engine and Zoomlion ZD320-3 undercarriage. We also offer expert services for inventory management solutions and international logistics support for all your heavy machinery spare parts needs.

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  • no

  • NTAA855-C360S20 | So15674

  • 6

  • Zoomlion ZD320-3 bulldozer |

  • Supporting package

  • Cummins

  • 14

  • European Ⅲ

  • 140mm x 140 mm


Basic parameters



Calibrated speed:

2100 rpm 

Product Type:

brand new

Number of strokes:

Four-stroke

Rated voltage:

24V  

Rated frequency:

50Hz  

How to work:

Reciprocating piston internal combustion engine

Continuous output power:

268 kw 

Startup method:

Manual

Number of cylinders:

Six cylinder

fuel:

diesel fuel

Application scope:

Automobile industry, oil extraction, construction machinery

power:

278KW  

Rotary direction:

Clockwise  

Cooling medium:

Water cooling

brand:

cummins/Cummins  

model:

NTAA855-C360S20  

Processing and customization:

yes

Fuel tank capacity:

360 L 

Is it original?

yes

Detailed description

Performance characteristics of N series engine products
  •  power
Power covers 185-545 horsepower and torque of 1763 Newton meters.
  High speed torque, fast start, and strong climbing ability.
  The weight of the self-weight is 1,250 kg, and the power and weight ratio is large.
  • Low fuel consumption and good economy
 Cummins technology PT fuel system, ultra-high injection pressure, good atomization and sufficient combustion of the engine.
The efficient Holset exhaust gas turbocharger can ensure more intake, improve engine efficiency, further improve combustion, and reduce engine fuel consumption.
Air-air cooling technology has better air intake and better fuel economy.
  • Compact structure and easy to maintain
Wet cylinder liner can be replaced, with good heat dissipation effect and easy replacement.
All models have strong versatility, high degree of serialization, and easy to maintain.
The cylinder block and cylinder head are both built-in pressure lubricating oil channels, which are compact in structure and have low failure rate.
Composite engine oil filter is easy to maintain and reduces daily maintenance costs.
The overhaul mileage is more than 1 million kilometers. 


  • Design Reliable performance
Cylinder: Made of high-strength alloy cast iron, good rigidity, low vibration and low noise.
Cylinder head: Four valves per cylinder are designed, optimized air/fuel mixing ratio, and combustion and emissions are guaranteed; two cylinders and one cover, for easy maintenance.
Camshaft: Large diameter camshafts can withstand higher loads, the new design can ensure the control of valves and fuel injection timing, and the optimized cam-shaped line can reduce impact force, improve reliability and durability.
Crankshaft: The integrated crankshaft made of high-strength forged steel, the induction hardening process of rounded corners and journals can ensure higher crankshaft fatigue strength.
Piston: Use aluminum alloy casting technology, the ω-shaped head and barrel skirt design can compensate for thermal expansion and contraction, ensuring good cooperation.
  • Professional configuration quality
Lubrication system: All moving parts are forced lubricated; large-capacity gear pump provides pressure lubricating oil to lubricate the bearing and cool the piston; engine oil cooler and composite filter maintain good engine oil condition.
Fuel system: Cummins technology PT fuel system, optimized combustion and strong power; STC distributed timing system has better combustion in all working conditions; low-pressure oil supply system is used, and fuel unidirectional circuit is equipped, .
Cooling system: Forced water cooling is adopted for centrifugal water pump, with a large flow water channel design, and good cooling effect; rotary water filter and special DCA additives can effectively prevent rust and cavitation, control the acidity of the coolant and remove impurities.
Intake and exhaust system: The efficient Holset exhaust gas supercharger further improves combustion; the pressure pulse exhaust pipe can make full use of exhaust energy and improve engine efficiency; the air-to-air intercooling technology has better fuel economy and emissions.
  • Mature products,
  Wide application: Since Cummins entered China in 1975, N series engines have been widely used in engineering machinery, heavy vehicles, power generation, marine power and other fields; they have formed strategic partners with important customers.
High reputation: As one of the main models of the Cummins family, the N-series engine has won high recognition from customers in various fields for its strong power, maximum fuel consumption, high reliability and low maintenance costs.

Technology upgrade: The BCIII design, air-to-air cooling, slow start and other technologies of the large camshaft have further improved the engine's reliability, power, fuel economy and emission indicators. The electro-injection technology that is being developed in joint development with Cummins will further enhance the N-series engine's success in China's high-horsepower engine manufacturing industry. 




CategoryModelSO Rated power   kW/r/minTorque N.m/r/minSupporting hostSupporting instructionsIndustrial MarketNTA855-C400S10 SO13705 298/2100 1627/1400 Horizontal directional drillIndustrial MarketNTA855-L400 So13712 298/2100 1627/1400 Baoji CRRC GCY300F rail carNo fan or water tankIndustrial MarketNtaya855-c400s20  So13722 298/2100 1627/1400 XCMG XL210/XL230Z stable soil mixerNo fan or water tankIndustrial MarketFeatures855-C400 SO13724 298/2100 1627/1400 Shandong Highway WBZ23 Stabilized Soil MixerNo fan or water tankIndustrial MarketFeatures855-C400 SO15126 265/1900 1627/1400 Bulldozer - Xuangong SD8 bulldozerWithout water tank, flywheel housing, air filter, bare metalIndustrial MarketNTA855-C360So15133 268/2100 1464/1400 Rail Machinery-JY360 Rail VehicleNo air compressor or water tankIndustrial MarketFeatures855-C400 SO15134 298/2100 1559/1500 Rail Machinery-JY400 Rail VehicleWithout air compressor, water tank, bare metalIndustrial MarketFeatures855-C400 SO15162 298/2100 1627/1400 Pavement machinery-WB400 mixerNo fan or water tankIndustrial MarketNT855-C280 So15383 175/1800 1078/1250 Bulldozer-Xinhuanggong TY220Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNTAA855-C360S20 So -5591 257/2000 1509/1400 Pengpu PD320 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNT855-C280S10 So15593 138/1850 788/1250 Pengpu PD165Y bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNT855-C280S10 SO15594 175/1800 1085/1300  PengpuPD220YBulldozer (naked)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNTA855-C360S10 SO15595 257/2000 1509/1400 Pengpu PD320 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNT855-C280S10 SO15596 175/1800 1085/1300  Shantui SD22 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNT855-C280S10 So15597 179/2000 1050/1400 Shantui SD23 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNT855-C280S10 SO15598 179/2000 1050/1400 Shantui SD23 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNTA855-C360S10 So15599 257/2000 1509/1400 Shantui SD32 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNT855-C280S10 SO15603 185/2100 1097/1500 Xuangong SD7 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNta855-c280s20 SO15606 179/2000 1050/1400 Inner Mongolia TY230 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNT855-C280S10 SO15608 179/2000 1050/1400 Xuangong TY230 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNTA855-C400S10 SO15610 298/2100 1627/1400  Shaanxi ConstructionWbz23Stabilized soil mixerNo fan or water tankIndustrial MarketNTA855-C360S10 SO15611 257/2100 1509/1400 PromotingSD8CBulldozer (naked)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNta855-c280s20 SO15613 179/2000 1050/1400 Liugong TY230 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNta855-c280s20 SO15622 185/2100 1097/1500 Zoomlion ZTY235 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNta855-c280s20 So15659 175/1800 1085/1300 Pengpu PD220Y-5 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNTAA855-C360S20 SO15670 257/2000 1509/1400 Shantui SD32 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNTAA855-C360S20 SO15674 257/2000 1509/1400 Zoomlion ZD320-3 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNtaya855-c400s20 SO15728 257/1900 1559/1300 Shantui SD32-5 bulldozer (naked installation)Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNTA855-C360SO16003 257/2000 1509/1400 Bulldozer-D155Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNT855-C280 SO16022 149/1850 923/1250 Bulldozer-T180Without water tank, flywheel housing, air filter, bare metalIndustrial MarketNTA855-C360SO16026 257/2000 1509/1400 Pavement machinery-Degong WB320 mixerNo fan or water tank



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