Cummins QSK50 Engine for Komatsu WE1350 Wheel Loader
The Komatsu WE1350 wheel loader is a versatile and reliable machine engineered for material handling, construction, and landscaping projects. Combining a powerful Cummins engine of QSK50, advanced transmission technology, and a robust frame. The vehicle has an operating weight of 194228 kg and is mainly powered by a QSK50 engine with a main power of 1250 kW.
As part of EMAC, ConeMac provides industrial power pack solution that integrated with air intake, air exhaust, cooling system, control system, transmission and hydraulic accessories, We also supplying special products such as explosion proof engine, generator and water pump set, as well as ultra-low temperature condition engine power pack.
We provide full life cycle services for all customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support.
EMAC Group Participates in Automechanika Istanbul Exhibition in Istanbul
EMAC Group, provide a one-stop service with a complete power chain for Automotive, has announced its participation in the Automechanika Istanbul Exhibition in Istanbul, Turkey. The exhibition will take place from June 8th to June 11th, 2023.
As one of the largest automotive events in the world, the Automechanika Istanbul Show attracts exhibitors and visitors from across the globe. Our Company is excited to showcase its latest products and services at the event, which will provide an excellent opportunity to network with industry professionals and connect with potential customers.
As one of the largest automotive events in the world, the Automechanika Istanbul Show attracts exhibitors and visitors from across the globe. Our Company is excited to showcase its latest products and services at the event, which will provide an excellent opportunity to network with industry professionals and connect with potential customers.
EMAC Customer Interview-Thailand Engineering Company
EMAC’s customer interview video of 2023, EMAC finished a series of customer interview with 10 different business partners from different countries and regions, most of videos are took at customer’s company and factory, collecting all reviews and evaluations of EMAC, covering different industries in different country and regions, we believe this series of EMAC customer interview videos can help all of other customers get to know more about EMAC, our true customer interview case can greatly help customers relieve their worries, and build their confidence to cooperate with EMAC.
A Promise is A Promise, EMAC always do what we say, and for customer’s feedback, also 100% original from clients’s real words. EMAC, a Chinese company that you can trust !
A Promise is A Promise, EMAC always do what we say, and for customer’s feedback, also 100% original from clients’s real words. EMAC, a Chinese company that you can trust !
EMAC Customer Interview-Indonesia Shipyard
EMAC’s customer interview video of 2023, EMAC finished a series of customer interview with 10 different business partners from different countries and regions, most of videos are took at customer’s company and factory, collecting all reviews and evaluations of EMAC, covering different industries in different country and regions, we believe this series of EMAC customer interview videos can help all of other customers get to know more about EMAC, our true customer interview case can greatly help customers relieve their worries, and build their confidence to cooperate with EMAC.
A Promise is A Promise, EMAC always do what we say, and for customer’s feedback, also 100% original from clients’s real words. EMAC, a Chinese company that you can trust!
A Promise is A Promise, EMAC always do what we say, and for customer’s feedback, also 100% original from clients’s real words. EMAC, a Chinese company that you can trust!
Identification and Classification Report for Air Transport of Goods
Sinomac is dedicated to providing customers with safe, reliable cargo transportation services. Whether by sea or by air, ensuring safe delivery of our clients’ goods is at the heart of our operations. However, due to the complex nature of some cargo, especially industrial equipment like engines, many clients have concerns about whether such items might be classified as dangerous goods in air transport. To address these concerns, Sinomac provides a detailed analysis from multiple perspectives, including engine structure, relevant regulations, and the evaluations of authoritative inspection bodies, to give clients a clear and professional answer to this question.
Advantages of Cummins QSK50
High efficiency and fuel economy: Komatsu engines use advanced fuel injection technology and electronic control systems to optimize fuel efficiency, reduce fuel consumption, and lower operating costs.
Strong durability: These engines are designed to be reliable in long-term operation, can withstand heavy loads in harsh environments, and reduce failures and downtime.
Easy maintenance: Komatsu considers easy maintenance and maintenance in the design of the engine. The engine parts are usually easy to check and replace, which reduces maintenance costs and time.
Intelligent control: Many Komatsu engines are equipped with intelligent control systems that can monitor engine performance in real time, optimize operation, and improve operating efficiency.
Compliance with environmental standards: Komatsu engines usually meet the latest emission standards, such as EU Stage V, US EPA Tier 4, etc., and use advanced emission after-treatment technology to reduce the emission of harmful gases.
Technical Specifications
Wheel Loader Model: | WE1350 |
Engine Model: | Cummins QSK50 |
Rated Power: | 1250 kW |
Rated Speed: | 1800 RPM |
Operating Weight: | 194228 kg |
Bucket Capacity: | 22.94 m³ |
Displacement: | 50.3 L |
Aspiration Method: | Turbocharged & Water-Air Intercooler |
Emission Standard: | U.S. EPA Tier 2 |
Bore * Stroke: | 159 mm * 159 mm |
Packing Size (L * W * H): | 2857 mm * 1415 mm * 1766 mm |
Wet Weight: | 6373 kg |
Lead Time: | 15 – 30 Working Days |
Payment Terms: | T/T,L/C |
Wheel Loader Model | Engine Model | Engine Brand | Rated Power | Rated Speed |
WE1350 | QSK50 | Cummins | 1250 kW | 1800 RPM |
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General Infomation of Cummins QSK50-C1675 Engine | |||
Engine Model | QSK50-C1675 | CPL Code | 3905 |
Curve & Datasheet | FR6794 | Rated Power | 1,675 HP (1,249 kW) @ 1800 RPM |
Compression Ratio | 15 : 1 | Torque Peak | 4,887 lb-ft (6,626 N-m) @ 1800 RPM |
Noise Emissions Top Side | N/A | Revision | 29-Mar-2019 |
Noise Emissions Right Side | 105 dBa | Displacement | 3,067 in³ ( 50.3 L ) |
Noise Emissions Left Side | 105 dBa | Fuel System | Cummins MCRS |
Noise Emissions Front Side | 103 dBa | Maximum low idle speed | 1,400 RPM |
Emission Certification | Non-certified | Minimum low idle speed | 600 RPM |
Aspiration | 2-Stg Turbocharged and Aftercooled | Minimum engine speed for full load sustained operation | 1,700 RPM |
Configuration | D283038CX03 | Maximum continuous power | N/A |
Maximum overspeed capability | N/A | Maximum continuous speed | N/A |
Torque Output | Power Output | Fuel Consumption | ||||||
RPM | lb-ft | N-m | RPM | HP | kW | RPM | lb/hp-hr | g/kW-hr |
600 RPM | 2225 lb-ft | 3017 N-m | 600 RPM | 254 HP | 189 kW | 1500 RPM | 0.344 lb/hp-hr | 209 g/kW-hr |
800 RPM | 2700 lb-ft | 3661 N-m | 800 RPM | 411 HP | 306 kW | 1600 RPM | 0.335 lb/hp-hr | 204 g/kW-hr |
1000 RPM | 3100 lb-ft | 4203 N-m | 1000 RPM | 590 HP | 440 kW | 1700 RPM | 0.338 lb/hp-hr | 206 g/kW-hr |
1200 RPM | 4095 lb-ft | 5552 N-m | 1200 RPM | 936 HP | 698 kW | 1800 RPM | 0.342 lb/hp-hr | 208 g/kW-hr |
1425 RPM | 5282 lb-ft | 7161 N-m | 1425 RPM | 1433 HP | 1069 kW | |||
1500 RPM | 5455 lb-ft | 7396 N-m | 1500 RPM | 1558 HP | 1162 kW | |||
1600 RPM | 5430 lb-ft | 9362 N-m | 1600 RPM | 1654 HP | 1233 kW | |||
1700 RPM | 5154 lb-ft | 6988 N-m | 1700 RPM | 1668 HP | 1244 kW | |||
1800 RPM | 4887 lb-ft | 6626 N-m | 1800 RPM | 1675 HP | 1249 kW |
General Infomation of Cummins QSK50-C1675 Engine | |||
Top Side | 102.6 dBa | Right Side | 101.1 dBa |
Left Side | 99.7 dBa | Front Side | 98.5 dBa |
Exhaust | 107.1 dBa | ||
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Engine Performance Data Cummins QSK50-C1675 Engine | ||||
Governed Power | Peak Torque | |||
Engine Speed | 1800 RPM | 1500 RPM | ||
Output Power | 1675 HP | 1249 kW | 1558 HP | 1162 kW |
Torque | 4887 lb-ft | 6626 N-m | 5455 lb-ft | 7396 N-m |
Friction Horsepower | 221 HP | 165 kW | 160 HP | 119 kW |
Intake Manifold Pressure | 69 in-Hg | 233 kPa | 64 in-Hg | 216 kPa |
Turbo Comp. Outlet Pressure | 70 in-Hg | 236 kPa | 65in-Hg | 219 kPa |
Turbo Comp. Outlet Temperature | 388 deg F | 198 deg C | 370 deg F | 188 deg C |
Inlet Air Flow | 4111 ft /min | 1940 L/s | 3458 ft /min | 1632 L/s |
Exhaust Gas Flow | 9149 ft /min | 4318 L/s | 7827 ft /min | 3694 L/s |
Exhaust Gas Temperature | 757 deg F | 403 deg C | 847 deg F | 453 deg C |
Heat Rejection to Coolant | 5232 BTU / min | 92 kW | 4777 BTU / min | 84 kW |
Heat Rejection to Ambient | 55278 BTU / min | 972 kW | 53060 BTU / min | 933 kW |
Heat Rejection to Exhaust | 18540 BTU / min | 326 kW | 14843 BTU / min | 261 kW |
—END— |
System Technical Data of Cummins QSK50-C1675 Engine | |||
Intake Air System | Maximum allowable air temperature rise over ambient at Intake Manifold (Naturally Aspirated Engines) or Turbo Compressor inlet (Turbo-charged Engines): (This parameter impacts emissions, LAT and/or altitude capability) | 20 delta deg F | 11.1 delta deg C |
Cooling System | Cooling System Type | 2 Pump-2 Loop | |
Exhaust Syetem | Maximum exhaust back restriction | 2 in-Hg | 7 kPa |
Recommended exhaust piping size (inner diameter): | 7.79 in | 198 mm | |
Lubrication System | Minimum low idle speed | 29 psi | 200 kPa |
Advertised speed | 83 psi | 570 kPa | |
Fuel System | Fuel cooling requirements (with diesel fuel) | ||
Maximum heat rejection to return fuel at max. coolant and inlet fuel temperature: | 367 BTU/min | 6 Kw | |
fuel return flow rate of | 650 lb/hr | 295 kg/hr | |
fuel return temperature prior to cooler: | 180 deg F | 82 deg C | |
Maximum supply fuel flow | 1254 lb/hr | 569 kg/hr | |
Maximum return fuel flow: | 650 lb/hr | 295 kg/hr | |
Maximum fuel inlet pressure: | 3 psi | 21 kPa | |
Cranking System (Cold Starting Capability) | Unaided Cold Start Minimum cranking speed | 150 RPM | |
Minimum ambient temperature | 10 deg F | -12 deg C | |
Cranking torque at minimum unaided cold start temperature | NA lb-ft | NA N-m | |
Aided Cold Start Minimum ambient temperature with Grid Heater only | -26 deg F | -32 deg C | |
—END— |
Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

Engine Sale Manual

Installation Drawing

Installation Manual

Operation Manual

Parts Catalogue
