6CTA8.3 Diesel Engine for Heavy Trucks, Construction & Power Generation
The 6CTA8.3 is a high-performance heavy-duty diesel engine known for exceptional torque output, durability, and fuel efficiency.
Widely used in heavy trucks, construction machinery, large generator sets, and demanding industrial applications.
Technical Specifications
6CTA8.3 Engine Models
| Model | Rated Power (kW@rpm) | Max Torque (N·m@rpm) |
|---|---|---|
| 6CTA8.3-C190-II | 142 @ 2200 | 860 @ 1400 |
| 6CTA8.3-C215-II | 160 @ 2200 | 908 @ 1500 |
| 6CTA8.3-C230-II | 172 @ 2200 | 1000 @ 1500 |
| 6CTA8.3-C260-II | 194 @ 1900 | 1150 @ 1300 |
The 6CTA8.3 diesel engine is a flagship model of the Cummins C Series, designed for high-load, high-performance applications.
Featuring an inline 6-cylinder design with a robust one-piece cast iron cylinder block, the 6CTA8.3 offers significantly higher structural rigidity compared to B Series engines, allowing it to withstand higher combustion pressures and deliver superior power output.
With a displacement of 8.3 liters, turbocharging and aftercooling, this engine provides outstanding low-speed torque, excellent acceleration, and strong climbing capability, making it a preferred choice for heavy-duty vehicles and equipment operating under harsh conditions.
Technology & Fuel System
-
Classic Mechanical PT Fuel System
Most 6CTA8.3 engines are equipped with PT mechanical fuel pump combined with STC (Step Timing Control) injectors, offering strong power delivery, mature technology, and excellent reliability. -
Electronic Control Versions Available
Later models upgraded with CELECT electronic control systems to meet higher emission requirements (e.g. China Stage III).
In the market, “6CTA” is widely recognized as the classic mechanical turbocharged version, highly valued for its robustness and power characteristics.
Key Advantages
-
Exceptional Power & Torque Output
Power range from ~220 HP to 325 HP, with maximum torque exceeding 1250 N·m in higher configurations. -
Outstanding Low-Speed Torque
Delivers massive torque at low RPM, ideal for heavy loads, mountainous terrain, and continuous operation. -
Balanced Performance & Fuel Economy
Excellent balance between power, reliability, and fuel efficiency within the same displacement class. -
Rugged & Durable Design
C Series platform with heavy-duty construction ensures long service life under proper maintenance. -
Better Fuel Tolerance
Compared to modern high-pressure common rail engines, it shows better adaptability to varying fuel quality.
Applications
-
Heavy-Duty Trucks
8×4 dump trucks, cement mixer trucks, heavy tractor trucks
(Dongfeng Tianlong, FAW J5/J6, Shacman Delong, Hongyan, etc.) -
Large Buses & Coaches
Luxury long-distance coaches, double-decker buses -
Construction Machinery
Large loaders (6–7 ton class), cranes, mining dump trucks -
Power Generation
Diesel generator sets
Power range: 200 kWe – 330 kWe -
Special Equipment
Oilfield fracturing trucks, workover rigs, large fire pump vehicles
Market Recognition
In the Chinese market, the 6CTA8.3 was a symbol of premium power during the “golden decade” of heavy trucks (2000–2010), earning a strong reputation for being powerful, durable, and reliable.
Technical Specifications
6CTA8.3 Engine Models
| Model | Rated Power (kW@rpm) | Max Torque (N·m@rpm) |
|---|---|---|
| 6CTA8.3-C190-II | 142 @ 2200 | 860 @ 1400 |
| 6CTA8.3-C215-II | 160 @ 2200 | 908 @ 1500 |
| 6CTA8.3-C230-II | 172 @ 2200 | 1000 @ 1500 |
| 6CTA8.3-C260-II | 194 @ 1900 | 1150 @ 1300 |
General Specifications
-
Engine Type: Inline 6-cylinder, 4-stroke
-
Displacement: 8.3 L
-
Fuel Injection: Direct Injection
-
Aspiration: Turbocharged & Aftercooled
-
Cooling System: Water-cooled
-
Fuel System: PT Mechanical / Electronic Control (CELECT)
-
Duty Type: Heavy-duty / Continuous
-
Application: Truck, Construction, Generator, Special Equipment
Multiple power ratings, emission options, and OEM configurations are available.
Contact us now for pricing, delivery time, and technical consultation.
| Model |
6CTA8.3-C190-II ,6CTA8.3-C215-Ⅱ ,6CTA8.3-C230-Ⅱ ,6CTA8.3-C260-Ⅱ |
|---|---|
| Rated Power (kW@rpm) |
142@2200 ,160@2200 ,172@2200 ,194@1900 |
| Max Torque (N·m@rpm) |
1000@1500 ,1150@1300 ,860@1400 ,908@1500 |
| Series |
C 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.
