[Hot Item] Machinery Engine Qsb7 6-Cylinder Diesel Engine 6.7L Diesel Engine for Excavators, Loaders, Drilling Rigs

Cummins Authorized: Hubei Kanghai Shengyuan Electromechanical Equipment Co.,Ltd.

Cummins Engines and Engine Spare Parts Supplier Since 2004.

QSB7 Diesel Engine

• Engine Structure: Inline 6-cylinder, four-stroke design with a displacement of 6.7L.
• Construction Machinery Field:
  Power Range: 124-169kW (166-227HP)
  Typical Rated Power / Speed: 169/2050, 140/2050, 124/2050 (kW/rpm)
  Maximum Torque: 895/1250, 800/1250, 650/1250 (N m/rpm)
• Marine Field:
  Power Range: 172-410kW (230-550HP)
  Torque Range: 976-1695N m (720-1250 lb-ft)

QSK38 Series Diesel Engine
Maintenance Model Name: QSK38 CM2150 MCRS

• Cylinder Block Structure: V12 cylinder, displacement 38 liters, bore × stroke 159mm × 159mm (for some models, such as Tiedong diesel generator QSK38 Cummins engine SO60216).
• Subdivision of Common Models:
  • QSK38-G1: Suitable for 50 Hz, 1500 rpm, with a prime power of 1000 kVA / 800 kW.
  • QSK38-G4: Suitable for 60 Hz, 1800 rpm, with a prime power of 1406 kVA / 1125 kW.
  • Other models: G2 / G3 / G5, etc., which are suitable for different frequency and rotation speed requirements, mainly used in generator set scenarios.

QSB5.9 Diesel Engine

• Power Range: 130-210 horsepower
• Typical Model Examples:
  QSB5.9-C130-30: 130 horsepower at 2200rpm
  QSB5.9-C210-30: 210 horsepower at 2200rpm
• Torque Range: Peak torque of 615-820N·m, output at low rotation speed (1400-1500rpm)

Core Advantages

• High torque at low rotation speed
• Fast power response
• Intelligent electronic control system
• High efficiency and energy saving
• Low emissions

QSB7 Diesel Engine

• Engine Structure: Inline 6-cylinder, four-stroke design with a displacement of 6.7L.
• Construction Machinery Field:
  Power Range: 124-169kW (166-227HP)
  Typical Rated Power / Speed: 169/2050, 140/2050, 124/2050 (kW/rpm)
  Maximum Torque: 895/1250, 800/1250, 650/1250 (N m/rpm)
• Marine Field:
  Power Range: 172-410kW (230-550HP)
  Torque Range: 976-1695N m (720-1250 lb-ft)

QST30 Diesel Engine:

Basic Structure: V-type 12-cylinder, four-stroke design, with 12 cylinders. The bore × stroke is 140mm × 165mm, and the displacement reaches 30.5 liters. There are 24 valves, with the intake valve clearance being 0.43mm and the exhaust valve clearance being 0.80mm.

• Compression Ratio: 14.7:1 for industrial engines certified by US EPA and CARB Tier 2; 15.7:1 for industrial engines certified by US EPA and CARB Tier 1; 14.0:1 for other engines.
• Weight: Approximately 2998kg.

Application Fields: It is often used in fields such as mining equipment, oilfield machinery, marine propulsion power units, large construction machinery, and generator sets. It is compatible with models including SRT95 mining trucks, and can also be used in construction machinery such as excavators and rotary drilling rigs.

Qsx15 Diesel Engine

• The data of cylinder bore and stroke are not mentioned, with a displacement of 15 liters. The cylinder block is made of cast iron, equipped with 24 cylinder heads, and 4 valves per cylinder.
• Starting and Electrical System: The starting voltage is 24V, negative grounded, and the battery-charging alternator is 110A.
• Fuel System: Adopting direct injection, the high-pressure fuel injection system can generate an injection pressure of 1900bar.
• Lubrication System: The lubricating oil filter is a spin-on full-flow filter, and the lubricating oil capacity is 91 liters.
• Cooling System: The cooling method is air-pressurized cooling, the coolant proportion is 50% ethylene glycol and 50% water, and the coolant capacity is 42 liters. The fan power is 18.9kW at 50Hz and 19.1kW at 60Hz; the air flow of the cooling system is 13.6m³/s at 50Hz and 14.3m³/s at 60Hz.

Diesel Engine 6BT 5.9
Product Name	Engine Assembly
Engine Model	Cummins 6BT 5.9
Cylinders	6 Cylinders
Displacement	5.9L
Rated Output	92KW/125HP
Rated Speed	2400RPM
Max Torque/Speed	425N.m/1500RPM
Torque/Rated Speed	366N.m/2400RPM

Cover full range cummins engine and engine spare part:
Low horsepower engines : F2.8/ F3.8, B4.5/B5.9/B6.7, C8.3, L8.9/L9, M11, X15
High horsepower engines: NT855, K19/K23/K38/K45/K50/K60/K78, QST30

As an officially authorized Cummins distributor, Kanghaishengyuan take pride in providing genuine, authentic Cummins components at competitive prices. Official Cummins Authorization - Ensuring 100% genuine parts. 20+ Years of Industry Experience - Trusted by global customers. Strong Inventory & Fast Delivery - We are close to Dongfeng Cummins Engine Factory and has unique sales conditions.

We have our own warehouse as also. Technical Support & Repair Services - A professional maintenance team to support your needs. Full Range Series- mainly deals in Cummins engine parts, Cummins overhaul parts, assembly parts, filters, crankshafts, connecting rods, injectors, etc. (involving models are NT855, NTA855, M11, L9, K19, X15, KT(A)38, KT(A)50, 4BT, 6BT, 6BT5.9, 6CT, 6CT8.3, N14, NH250, NH220, VT28, ISM11, QSM11, ISB, ISL, etc.)

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