6CTA8.3 Diesel Engine
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
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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 193 to 264 HP, with maximum torque exceeding 1150 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
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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
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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 core business covers diesel engine development, production, customized modification, maintenance and testing; explosion-proof engine R&D and manufacturing; Cummins spare parts supply, as well as engine overhaul and testing services.
A: Export-standard wooden box packaging
A:The specific delivery time depends on the items and the quantity of your order. We will confirm it with your detailed order.
A. Please provide us with your engine model, required rated power and speed, and application scenario. We will then recommend the most suitable model based on those information.
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, every engine is subjected to rigorous and comprehensive performance tests prior to shipment. We also provide clients with detailed test videos and electronic data.
A: EXW, FOB, CFR, CIF，DDU，DDP.
A: T/T, X Transfer, L/C, MoneyGram, PayPal, Cash etc
A:Yes, the warranty period is 6 months, covering main engine components. Consumable parts and failures caused by improper operation are excluded.
