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Cummins 4BTA3.9-GM47 Marine Auxiliary Engine

Cummins-4BTA3.9-Marine

Cummins 4BTA3.9-GM47 Marine Auxiliary Engine

Power:

47 kW / 63 HP

Rating type:

Type:

4-cylinder, in-line

Application:

Marine Propulsion

Packing Size:

1510×880×1460mm

Weight:

750kg

HS Code:

840810

Technical Specification of Cummins 4BTA3.9-GM47 Marine Auxiliary Engine

Engine Model

Cummins 4BTA3.9-GM47

Fuel System

BYC A / GAC 24V

Rated Power

47 kW / 63 HP

Peak Engine Torque

214 g / kW.h @ 1500 RPM

Rated Speed

1500 RPM

Compression Ratio

17.3:1

Rating Type

Fuel Consumption at Rated Speed

12 L/h (Prime) / 13.5 L/h (Standby)

Bore

102 mm [4.02 in]

Cooling system

Stroke

120 mm [4.72 in]

Firing Order

1-5-3-6-2-4

Aspriration

Turbocharged/Aftercooled

Dry Weight

350kg

Displacement

3.9 L

Emission

ISO 8178 D2 Cycle (NOx: N/A)

General Information of Cummins 4BTA3.9-GM47 Marine Auxiliary Engine

Product Description

The Cummins 4BTA3.9-GM47 is a reliable and compact 4-cylinder marine auxiliary engine, delivering 47 kW (63 HP) of prime power at 1500 RPM. Built by Dongfeng Cummins, this auxiliary systems features a turbocharged and aftercooled configuration, ensuring efficient combustion, reduced emissions, and excellent power-to-weight ratio. Engineered for durability and low fuel consumption in harsh marine environments, it is ideal for auxiliary power generation and small marine propulsion systems.


Specifications

  • Engine Model: 4BTA3.9-GM47
  • Configuration: 4-cylinder, in-line
  • Displacement: 3.9 L
  • Bore x Stroke:102 mm x 120 mm
  • Aspiration: Turbocharged & Aftercooled
  • Compression Ratio: 17.3:1
  • Fuel System: BYC A / GAC 24V
  • Rated Speed: 1500 RPM
  • Prime Power: 47 kW / 63 HP
  • Standby Power: 52 kW / 70 HP
  • Fuel Consumption (100% Load): 12 L/h (Prime) / 13.5 L/h (Standby)
  • Dry Weight: Approx. 350 kg
  • Idle Speed: 1000 ± 50 RPM
  • Oil Capacity: 10.9 L
  • Cooling System Capacity: 7.9 L
  • Max Oil Temp: 120°C
  • Max Coolant Temp: 100°C
  • Starting System: 12V / 24V
  • Emission Standard: ISO 8178 D2 Cycle (NOx: N/A)

Product Advantages

  • Fuel Efficient: Low fuel consumption across various load conditions.
  • Compact Design: Lightweight and space-saving for small engine rooms.
  • Reliable Cooling: Optimized coolant circulation for marine environments.
  • Easy Maintenance: Simple layout and wide service network reduce downtime.
  • Durability: Proven Cummins quality ensures long service life.


Key Features

  • Turbocharged and aftercooled for increased power density.
  • GAC 24V governor for precise speed control.
  • Optimized for low noise and vibration.
  • Meets ISO-rated power standards with high accuracy.
  • Suitable for operation under heavy-duty marine conditions.


Applications

  • Marine auxiliary gensets
  • Small vessel propulsion
  • Fishing boats
  • River transport vessels
  • Harbor tug and service boats


Product Availability

The Cummins 4BTA3.9-GM47 marine auxiliary power is available for global export and custom configuration. TPGC Power can provide full-package solutions including marine-grade alternators, control panels, exhaust systems, and SOLAS-compliant configurations upon request. Contact us today for a quote and lead time.

Download of Cummins 4BTA3.9-GM47 Marine Auxiliary Engine Datasheet

Model

Power

Emission

Datasheet

Drawing

Service Manual

Cummins 4BTA3.9-GM47

47 kW/ 63 HP@1500 RPM

ISO 8178 D2 Cycle (NOx: N/A)

Download

Download

Model

Cummins 4BTA3.9-GM47

Power

47 kW/ 63 HP@1500 RPM

Emission

ISO 8178 D2 Cycle (NOx: N/A)

Datasheet

Drawing

Download

Service Manual

Download

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