Excellence in Engineering.
Proven to Serve.

Reliable solutions, precision execution, and service you can trust — at every stage of your project.

About us

ALENOVA – Engenharia e Prestação de Serviços, LDA is a trusted name in the industry, recognized across Angola and beyond for delivering high-quality diesel and gas engine maintenance, fabrication, and machinery services.

Headquartered in Luanda, Angola, ALENOVA has earned a loyal customer base by consistently providing dependable, cost-effective solutions tailored to demanding industries. Our reputation as a leading service provider stems from our ability to support high-performance operations while keeping running costs low. With globally certified service professionals, ALENOVA offers world-class services adhering to the highest international standards in quality, health & safety, and environmental protection.

We support a broad spectrum of leading engine manufacturers, including:
CATERPILLAR, CUMMINS, MAN, MITSUBISHI, MAK, DEUTZ, YANMAR, DAIHATSU, ROLLS ROYCE-BERGEN, MTU, NIIGATA and more.

We specialize in maintenance and overhauling services for both high-speed and medium-speed 4-stroke engines, ensuring optimal engine reliability for users who expect the highest levels of performance and service.

Our welders and fabricators are certified and experienced for all marine jobs.
We are well equipped for electrical motors and alternator services.

We specialize in electrical, automation, and hydraulic machinery troubleshooting.

Our AC mechanics can attend to onsite troubleshooting and maintenance services

Our certified technicians have deep expertise in:

2-stroke and 4-stroke engine overhauls
Medium and high-speed engine servicing
Turbocharger maintenance
Custom fabrication and machinery repairs

With a proven track record and a global service reach, ALENOVA supports clients in the Marine, Oilfield, and Power Plant sectors—working on engines of all makes and models.

Alenova is committed to delivering reliable, high-quality maintenance services across Angola’s marine, mining, construction, oil & gas, and power sectors. We specialize in engine repairs, metal fabrication, and machinery servicing. With a focus on safety, performance, and customer satisfaction, our mission is to provide tailored solutions that maximize equipment reliability and minimize downtime for every client.

OUR MISSION :

Engine Overhaul Services

We offer complete mechanical overhauls for diesel and gas engines both on-site and in our workshops. Our team responds swiftly and works with precision to minimize downtime and maximize reliability.

Our engine overhaul services cover:

Top and major overhaul services for all types of engines
Fault troubleshooting & Computer diagnostics of all types of engines especially CATERPILLAR engines
Cylinder head overhauls, valve inspections, and laping services
Piston and liner calibration, liner honing/deglazing services
Inspection of crankshaft, main, conrod, and thrust bearings replacement
Fuel pump and injector overhauls
Camshaft inspection and bushing replacement
Turbo charger overhauls
Charge air and oil cooler overhauling and servicing
Pump overhauls (LO/FW systems)
Crankshaft alignment and deflection measurements
Full engine load testing and performance checks
Electrical fault diagnosis

Onsite & Afloat Maintenance

We offer complete field-based maintenance support—whether on vessels, remote power plants, or mining/construction sites. ALENOVA brings the workshop to you, equipped and ready.

Services include:

Major and minor engine overhauls (main & auxiliary)
Fabrication services, MS and aluminium structures
Certified welders for metal arc, MIG, TIG welding
Pipeline repairs and maintenance
Electrical Motors and alternator overhauls and rewinding services (CRC cleaning, varnishing, heating in oven, IR testing)
AC and refer plant maintenance (system flushing, nitrogen pressure testing, AHU maintenance, leak test, and pipe brazing services
Automation and electrical fault finding and trouble shooting services
Hydraulic machinery repairs and trouble shooting (Hydraulic cylinders and component repairs)

Workshop Capabilities

Our advanced workshop is fully outfitted for heavy-duty repairs and reconditioning of engine and electrical components.

Key equipment and capabilities:

Lathe, radial drilling, and honing machines
Metal arc, MIG, TIG welding machines
Valve seat and valve refacing and grinding tools
Injector calibration and pressure testing stations
Turbocharger disassembly and balancing setups
Hydraulic press (heavy-duty)
NDT inspection tools (for crack detection)
Overhead crane for large component handling
Cooler chemical and HP cleaning system
Electrical motor rewinding and baking (oven) machines
Liquid nitrogen seating for precision fit parts like cylinder head valve seats and guides

Component Reconditioning

We extend the life of critical engine components through OEM-standard reconditioning processes—helping reduce costs while maintaining reliability.

We recondition:

Engine blocks, Cylinder Heads, and Crank shaft
Engine attached pumps
Engine charge air coolers, Lube and Seawater coolers
Turbochargers
Electrical motors and alternators
AC and Reefer compressor

All work begins with a detailed failure analysis to ensure root causes are addressed before repairs are made.

Exchange Component

We offer multi-component parts on an exchange basis, in accordance with our favourable exchange conditions.
The multi-component parts in our exchange stock undergo a complete overhaul at our workshop according to the engine manufacturer standards. Each part is completely dismantled and carefully inspected and replaced as per the required standards.

Complete engines especially CAT engines
Reconditioned and pressured tested Cylinder heads & Engine Blocks
Fuel pumps and fuel injectors
Crank shaft and Cam shafts
Overhauled AC compressors
Hydraulic cylinders

Experience

Engineers at Alenova have successfully executed high-complexity mechanical projects across Africa, Asia, and beyond. Our reputation is built on technical expertise, speed, and safety.

Representative Projects:

Overhaul of Caterpillar 3400, 3500, and 3600 engine series
Complete servicing of 3516B & C32 engines aboard KOTUG vessels
Cummins KTA 19D genset overhaul – Vessel: Lewek Altair
Caterpillar C32 genset overhaul – POSH Teal, Namibia
Wartsila W26 engine overhaul – Halul 23
CAT 3516B engine service – MV POORNA
C18 engine overhauls on multiple offshore vessels across India & Dubai
Wartsila W34SG (5 units) – Power Plant, Dakar
CAT 3412 & 3406 overhauls – Ivory Coast & Ghana
Common rail and mechanical fuel injection system servicing
Laser alignment, line boring, and crankshaft machining
Mobilized teams for Wartsila servicing in Singapore
Multiple turbocharger rebuilds and balancing
Successful troubleshooting of complex electrical faults
Use of advanced precision tools for calibration and diagnostics

Contact Us

Whether you're facing an urgent repair or planning routine maintenance, ALENOVA is equipped to deliver fast, reliable, and expert service—on-site or at our fully equipped facility.

Email

tech1@alenova-intl.com

Address

RUA 19 - BAIRRO BOAVISTA, (EX TRAVESSA ENGASES) Nº S/N Município: INGOMBOTA, Província: LUANDA.

Excellence in Engineering. Proven to Serve.