4BTA3.9-P90 (67kW@1800rpm)

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Engine Model: 4BTA3.9-P90
Engine Type: Mechanical Engine
Displacement: 3.9 L
Rated Speed: 1800 rpm
Rated Power: 67 kw
Power Type: Prime Power
Emission Standard: Euro II
Fuel Consumption: 6.1-17.4 L/h
Cooling System water cooled
Dimension(L*W*H): 778*882*753
Net Weight: 350 kg
Lead Time: 15-30 working days
Payment Term: T/T;L/C
Country of Original: China
engine image
Cummins 4BTA3.9-P90 Pump Engine

SpecificationCurveConfiguration & OptionsB SeriesPumpmacEMAC
General Information of Cummins Diesel Pump Engine
Engine Model 4BTA3.9-P90
Engine Type Mechanical Engine
Engine Structure 4-Cyl in-line
Displacement 3.9 L
Bore 102 mm
Stroke 120 mm
CPL Number CPL3813
Net Weight (with flywleel & alternator) 350 kg
Overall Diemension(L*W*H) 778*882*753 mm
Technical Specification of Cummins Diesel Pump Engine
Emission Euro II
Aspiration Turbocharged & Aftercooled
Fuel System Mechanical Pump + Electronical Governor
Eletrical System 12/24V
Lowest Starting Temp.(with/without auxiliary system) -35℃/-12℃
Engine Cooling Fluid Volume 7.9 L
Lubricating Oil Volume 9.5-8.5 L
Performance Data of Cummins Diesel Pump Engine
Rated Power/Speed 67kw/1800rpm
Max.Torque/Speed 355 N.m/1800rpm
Fuel Consumption @ Rated Power 6.1-17.4 L/h
Min. Idel Speed 950 rpm
Max. Continuous Running Altitude 1500 m
performance curves

PumpMac integrates pump-driven engines, air intake system, exhuast system, cooling system, engine control panel, WPT PTO solution, Advance Gearbox solution, chassis as options for our pump-driven power pack, the intelligent control modules and water pumps are also available under customers’ requirements.

Till now, only DCEC-Dongfeng Cummins Engine Company and CCEC-Chongqing Cummins Engine Company have official pump-driven series engines in their ranges of products, both DCEC and CCEC have mechanical and electronic engines that able to apply to different types of pump applications. The complete engine from Cummins factory are comes with standard scopes of supply, mainly includes below:

Fuel Injection System Flywheel Flywheel Housing Turbocharger
Intake Manifold Exhaust Manifold Starter Motor Alternator
Clamp & Hose Manual & Documents Oil Filter & Fuel Filter Water Pump & Oil Pump
We also provide customize power pack with below options:
Engine Options
Air Intake System.
(Air filter assembly)
Exhaust System
(Muffler assembly)
Cooling System
(Radiator or heat exchanger)
electric system
Two sets of batteries
(Another standby set)
Twin Starter System
(Spring or air starter)
Air Inlet Shut-off Vavlue
Power Pack Options
B series engines are developed and designed with internationally advanced and methods as well as several technological achievements in modern diesel engine research. The engines are characterized by reasonable strength, compact structure, simplicity, few parts and components, light weight, high efficiency and energy saving.

  • Low fuel consumption, effectively reduce operating costs
    Less maintenance costs and maintenance time, greatly reduce the work loss in busy season Long maintenance cycle, up to 250 hours
  • High reliability brings high attendance and creates more value for you
  • Dynamic and efficient
  • Better environmental adaptability
  • Low noise
    Cummins engine “heart” makes your machine better retain value. 2900 forwarding motor can be directly connected with water pump, which can better meet the performance requirements of speed regulating water pump and reduce the matching cost


4BTA3.9 series
Rated Speed(rpm)
Rated Power (kw)


3.9 1500 58


3.9 1800 67

Pumpmac Introduction

PUMPMAC is one of the sub-brands of EMAC, focusing on all types of water pump applications, supplying pump drive engine, water pump, intelligent water pump control system and high reliability and cost-effective driven power pack solutions etc.

As officially authorized water pump OEM packager of world well-known brand such as Cummins and Deutz, EMAC provides customers with various options, including Cummins, Deutz, Perkins, Isuzu, Yuchai, Yangdong, Quanchai water pump engines, WPT PTO, advanced gearbox, water pump and the complete pump-driven power pack that integrates with air-intake system, exhaust system, cooling system and control system etc.

PumpMac provides customers with high reliability and cost-effective driven power pack solutions, and our products are widely applied to fire fighting, petrochemical explosion-proof, construction site, mine pumping, underwater operations, factory water supply and drainage, agricultural irrigation, pond culture, urban drainage, municipal repair, emergency rescue and other scenarios.

Warranty1000 running hours or 12 months warranty according to which comes first.
Promise Both back by our TSI quality control system and “123” after-sales system are guaranteed from production to application.
Support: Customized products supplying, marketing system support, technical support and after-sales service training.

pump engine pump PTO advance gearbox power pack



EMAC Group Limited was established in Hong Kong in 2010 with more than 10 years experience, and aims to be a solid one-stop supplier in the power machinery industry. EMAC operates four overseas subsidiaries and owns 8 self-registered trademarks. Our products are widely used in energy, maritime, automotive, construction, railways and spare parts.

EMAC has strategically partnered with highly leading companies and integrated the prospective businesses across all platforms, and become official authorized distributor. These star enterprises include CRRC Group, Fast Gear, Dongfeng Dana Axle, KangNi Technology (KNT), Hispeed Boat (HSB), Advance Gearbox, Foton Auto, DIMA Auto etc.

After years of development and accumulation, EMAC has more than 8,000 business partners in more than 100 countries and regions. With the rapid development of the world economic integration, we look forward to forging ahead in the field of machinery equipment with more global business partners, to enjoy a wonderful business career, to realize our dream of “Drive globalization to create a better world”.

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