6BTA5.9 / 6BTAA5.9 Diesel Engine for Trucks, Construction & Generator Sets
The 6BTA5.9 and 6BTAA5.9 are legendary 6-cylinder diesel engines known for exceptional durability, fuel efficiency, and wide application coverage.
Widely used in trucks, construction machinery, generator sets, marine, and heavy-duty industrial equipment.
Technical Specifications
6BTA5.9 / 6BTAA5.9 Engine Models
| Model | Rated Power (kW@rpm) | Max Torque (N·m@rpm) |
|---|---|---|
| 6BTA5.9-C150-II | 112 @ 2200 | 655 @ 1500 |
| 6BTA5.9-C155-II | 114 @ 2000 | 625 @ 1400 |
| 6BTA5.9-C170-II | 127 @ 2000 | 710 @ 1300 |
| 6BTA5.9-C180-II | 132 @ 2200 | 750 @ 1300 |
| 6BTAA5.9-C125-II | 92 @ 2000 | 580 @ 1400 |
| 6BTAA5.9-C160-II | 118 @ 2000 | 690 @ 1300 |
| 6BTAA5.9-C180 | 132 @ 2500 | 640 @ 1400 |
| 6BTAA5.9-C205 | 153 @ 2200 | 870 @ 1400 |
The 6BTA5.9 / 6BTAA5.9 diesel engine is one of the most widely used and trusted power solutions in the global heavy-duty market.
Featuring an inline 6-cylinder direct injection design, the engine offers a compact structure with extremely high rigidity, ensuring excellent combustion efficiency and long-term operational stability.
With power output ranging from approximately 140 HP to 285 HP, the 6BTA/6BTAA5.9 series delivers strong low-speed torque, fast response, and outstanding fuel economy across a wide range of applications.
Technology & Fuel System Options
-
Classic Mechanical Version
Equipped with the PT fuel system, known for its simple structure, excellent reliability, and ease of maintenance. -
Electronic Control Version
Upgraded to electronic fuel systems (such as CELECT or ISB-series electronic injection / common rail) to meet higher emission requirements.
Key Advantages
-
Exceptional Reliability & Durability
Many units achieve over 1 million kilometers of operation without major overhaul. -
Wide Power Coverage
Suitable for medium to heavy-duty applications across multiple industries. -
Strong Torque Reserve
Excellent low-speed torque performance for demanding load conditions. -
Excellent Fuel Economy
Optimized combustion system reduces operating costs. -
Global Service & Parts Availability
Easy access to spare parts worldwide.
Applications
-
Trucks
8×4 dump trucks, mixer trucks, tractor trucks
(Dongfeng, FAW J5/J6, Foton Auman, etc.) -
Buses & Coaches
City buses, long-distance coaches, luxury touring buses -
Construction Machinery
Loaders (e.g. 5-ton class), excavators, cranes, rollers -
Power Generation
Diesel generator sets
Power range: 150 kWe – 250 kWe -
Special Vehicles
Fire trucks, oilfield service units, communication vehicles -
Marine Applications
Small vessels (main engines) or large vessels (auxiliary engines) -
Agriculture & Mining
Large tractors, mining equipment
Technical Specifications
6BTA5.9 / 6BTAA5.9 Engine Models
| Model | Rated Power (kW@rpm) | Max Torque (N·m@rpm) |
|---|---|---|
| 6BTA5.9-C150-II | 112 @ 2200 | 655 @ 1500 |
| 6BTA5.9-C155-II | 114 @ 2000 | 625 @ 1400 |
| 6BTA5.9-C170-II | 127 @ 2000 | 710 @ 1300 |
| 6BTA5.9-C180-II | 132 @ 2200 | 750 @ 1300 |
| 6BTAA5.9-C125-II | 92 @ 2000 | 580 @ 1400 |
| 6BTAA5.9-C160-II | 118 @ 2000 | 690 @ 1300 |
| 6BTAA5.9-C180 | 132 @ 2500 | 640 @ 1400 |
| 6BTAA5.9-C205 | 153 @ 2200 | 870 @ 1400 |
General Specifications
-
Engine Type: Inline 6-cylinder, 4-stroke
-
Fuel Injection: Direct Injection
-
Aspiration: Turbocharged / Turbocharged & Aftercooled
-
Cooling System: Water-cooled
-
Fuel System: PT Fuel System / Electronic Control
-
Displacement: 5.9 L
-
Power Range: Approx. 140–285 HP
-
Application: Truck, Construction, Generator, Marine, Agriculture
Multiple configurations, emission options, and OEM solutions are available.
Contact us today for pricing, lead time, and technical support.
| Model |
6BTA5.9-C150-II ,6BTA5.9-C155-II ,6BTA5.9-C170-II ,6BTA5.9-C180-II ,6BTAA5.9-C125-II ,6BTAA5.9-C160-II ,6BTAA5.9-C180 ,6BTAA5.9-C205 |
|---|---|
| Rated Power (kW@rpm) |
112@2200 ,114@2000 ,118@2000 ,127@2000 ,132@2200 ,132@2500 ,153@2200 ,92@2000 |
| Max Torque (N·m@rpm) |
580@1400 ,625@1400 ,640@1400 ,655@1500 ,690@1300 ,710@1300 ,750@1300 ,870@1400 |
| Series |
B Series |
Quality Assurance & Compliance
Warehouse Storage
Faq
A: Our company's core businesses cover the entire process of diesel engine development, assembly, modification, maintenance, and testing; the production and R&D of explosion-proof engines; the supply of Cummins spare parts, as well as overhaul and testing services, etc
A: Neutral package with strong cartons normally , or according to your requirements.
A: T/T, L/C, MoneyGram, PayPal, Cash etc
A: EXW, FOB, CFR, CIF，DDU，DDP.
A:The specific delivery time depends on the items and the quantity of your order. We will confirm it with your detailed order.
A:Yes, the warranty period is 6 months. Coverage includes core engine components. Wear-and-tear parts and failures caused by improper operation are excluded.
A: We offer professional engine customization services and can fully tailor the products to your specific requirements, with a variety of options available for pricing, specifications and configurations. The minimum order quantity (MOQ) for customized engines is 1 unit.
A:Yes, all engines undergo rigorous appearance inspections and comprehensive performance tests prior to delivery to ensure compliance with quality standards. We will also provide customers with detailed factory test videos and real-time shipping photos for full traceability.
A:Should you have any quality inquiries after receiving the goods, please contact our professional after-sales team in a timely manner and provide relevant photos and videos for verification. We will first provide efficient remote technical support to resolve your issues promptly.
For confirmed quality problems within the warranty period, we offer free repair, replacement of faulty parts or even full machine replacement services, with all associated logistics costs borne by our company.
For issues not attributable to our side, we still provide free technical guidance and supply matching spare parts; the cost of spare parts and related logistics shall be borne by the customer.
