Introduction
The MTU Series 4000 Tier 4i engine is designed for the oil and gas sector, specifically for frac operations. It offers uncompromising performance, economy, and reliability, meeting the tough demands of the industry.

Specifications and Features
The Series 4000 engine meets Tier 4 interim requirements using internal engine technology, eliminating the need for aftertreatment or additives. Key technologies include MTU Exhaust Gas Recirculation (EGR), third-generation Common Rail injection, and two-stage turbocharging. These features ensure reliability, better fuel efficiency, and optimized low-end torque.

Cost-Effectiveness
- No additives needed for emissions control.
- Up to 5% better fuel economy compared to Tier 2 engines.
- Lower life-cycle costs and optimized maintenance intervals.

Performance
- 12V 4000 T94L engine rated at 2500 bhp (1865 kW).
- Optimized for frac applications with improved low-end torque.
- Full performance available at high altitudes and temperatures.

Support
MTU offers extensive sales and service networks with experienced specialists providing reliable support.

Exhaust Gas Recirculation (EGR) Technology
The EGR system reduces harmful emissions by lowering combustion temperatures. It features:
- High design flexibility of exhaust piping.
- Optimized maintenance and operating costs.
- Excellent transient behavior and wide performance map.

Conclusion
The MTU Series 4000 Tier 4i engine is a future-proof solution for the oil and gas industry, combining proven EGR technology with advanced fuel injection and turbocharging systems to ensure performance, reliability, and cost-effectiveness.