Vetus Deutz DTA44 Marine Diesel Engine – 140 HP
The Vetus Deutz DTA44 Marine Diesel Engine 140 HP is a turbocharged and aftercooled four-cylinder inboard diesel engine designed for motor cruisers, displacement yachts, workboats, and compatible marine repowering projects.
Delivering 140 metric HP (103 kW) at 2,500 RPM, the DTA44 combines a 4.038-litre DEUTZ diesel engine with direct fuel injection, charge-air cooling, and a robust marine cooling system.
Designed for conventional shaft-drive propulsion, the Vetus DTA44 offers strong torque, dependable mechanical performance, and practical maintenance for recreational and suitable light-commercial vessels.
Why Choose the Vetus Deutz DTA44?
Powerful 140 HP Diesel Performance
The DTA44 delivers 103 kW at the flywheel and approximately 98.9 kW at the propeller shaft, providing substantial propulsion power for compatible marine applications.
Turbocharged and Aftercooled Technology
Its turbocharger and aftercooler improve intake-air delivery and support efficient combustion, responsive acceleration, and reliable performance under load.
Robust DEUTZ Engine Construction
Based on the DEUTZ BF4M2012C engine, the DTA44 combines proven industrial diesel engineering with VETUS marine propulsion components.
Practical Maintenance and Marine Installation
Mechanical direct injection, heat-exchanger cooling, conventional engine controls, and compatible ZF gearboxes make the engine practical to operate and maintain.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | VETUS / DEUTZ |
| Engine Model | DTA44 |
| Base Engine | DEUTZ BF4M2012C |
| Engine Type | Four-stroke marine diesel |
| Configuration | Inline four-cylinder |
| Displacement | 4,038 cm³ / 4.038 litres |
| Maximum Flywheel Power | 103 kW / 140 metric HP |
| Maximum Propeller-Shaft Power | 98.9 kW / approximately 134.4 metric HP |
| Rated Engine Speed | 2,500 RPM |
| Alternative Light Commercial Rating | 93 kW / approximately 126 metric HP at 2,500 RPM |
| Bore × Stroke | 101 × 126 mm |
| Compression Ratio | 18.4:1 |
| Fuel Injection | Direct diesel injection |
| Aspiration | Turbocharged and aftercooled |
| Maximum Torque | 480 Nm at 1,500 RPM |
| Cooling System | Freshwater cooling with heat exchanger |
| Electrical System | 12V |
| Alternator | 115A |
| Standard Gearbox | ZF45 |
| Optional Gearbox | ZF45A |
| Dry Weight with Standard Gearbox | Approximately 532 kg |
| Standard Instrument Panel | VETUS MP34BS12A |
| Standard Engine Mounts | Four VETUS LMX140 mounts |
| Maximum Backward Installation Angle | 15° |
| Maximum Continuous Lateral Inclination | 30° |
| Propulsion | Conventional inboard shaft drive |
Specifications are based on published VETUS documentation. Exact equipment and dimensions should be confirmed against the individual engine’s production year and serial number.
Compatible Marine Gearboxes and Controls
The Vetus Deutz DTA44 supports selected ZF marine reverse gearboxes.
| Marine Gearbox | Published Reduction Ratios |
|---|---|
| ZF45 | 2.20:1 / 2.50:1 / 3.00:1 |
| ZF45A | 1.51:1 / 2.03:1 / 2.44:1 |
Compatible Control Equipment
- VETUS mechanical throttle and shift controls
- VETUS MP34BS12A instrument panel
- Engine temperature and oil-pressure monitoring
- Engine warning alarms
- Compatible wiring harnesses
- Flexible engine mounts
- Suitable marine shaft coupling
The correct gearbox ratio and propeller arrangement must be selected according to the vessel’s displacement, shaft configuration, and operating requirements.
Applications and Duty Ratings
The Vetus DTA44 is suitable for appropriately matched motor cruisers, displacement yachts, recreational vessels, and selected light-commercial marine applications.
Published Power Ratings
| Duty Classification | Maximum Output | Rated Speed |
|---|---|---|
| Special Light Duty | 140 metric HP / 103 kW | 2,500 RPM |
| Light Duty Commercial | 126 metric HP / 93 kW | 2,500 RPM |
The 140 HP rating is a Special Light Duty output, not an unrestricted continuous commercial-duty rating.
Vessel loading, operating hours, and engine duty cycle must be evaluated against VETUS recommendations.
Price, Package Contents and Warranty
Price: Contact JB Marine GmbH for a quotation.
Depending on the selected configuration, the package may include:
- Vetus Deutz DTA44 marine diesel engine
- Turbocharger and aftercooler
- Freshwater cooling components
- Starter motor and alternator
- Compatible ZF marine gearbox
- VETUS instrument panel
- Flexible engine mounts
- Selected wiring and installation accessories
The gearbox, exhaust components, shaft coupling, remote controls, and additional accessories must be specifically confirmed in the quotation.
Warranty: Applicable manufacturer or seller warranty coverage depends on the engine’s condition, production year, and supply arrangement. Full terms will be confirmed before purchase.
Frequently Asked Questions
How Much Power Does the Vetus DTA44 Produce?
The engine produces 140 metric HP (103 kW) at 2,500 RPM under its Special Light Duty rating.
What Is the Displacement of the Vetus DTA44?
The engine has a displacement of 4.038 litres.
Is the Vetus DTA44 Turbocharged?
Yes. The engine features turbocharging and charge-air aftercooling.
Which Marine Gearboxes Are Compatible?
Documented options include the ZF45 and ZF45A marine transmissions.
What Is the Difference Between the DT44 and DTA44?
The DT44 is rated at 114 HP, while the DTA44 incorporates aftercooling and delivers up to 140 HP under its Special Light Duty rating.
Is the Vetus DTA44 Suitable for Repowering?
Yes. It can be suitable for compatible repowering projects, provided the engine mounts, gearbox, shafting, propeller, cooling, and exhaust systems are correctly matched.
Buy the Vetus Deutz DTA44 from JB Marine GmbH
Looking for a Vetus Deutz DTA44 140 HP marine diesel engine for sale?
JB Marine GmbH provides quotations for VETUS marine diesel engines, compatible ZF gearboxes, propulsion accessories, and international shipping.
Contact our sales team with your vessel specifications, preferred gearbox ratio, required quantity, and delivery destination.
Request your Vetus Deutz DTA44 quotation today.
Website: https://jbmarinegmbh.de/








