Cummins 4BT3.9-C100 Engine: A Reliable Power Option for 5 Ton Rough Terrain Forklifts

The Cummins 4BT3.9-C100 is a 4-cylinder turbocharged diesel engine, well-known for its durability, compact structure, and efficient performance. Produced by Dongfeng Cummins Engine Co., Ltd. (DCEC) in Xiangyang, Hubei Province, China, this engine integrates Cummins’ global technology with localized manufacturing advantages, ensuring both international quality and competitive cost.

Engine Specifications

• Model: Cummins 4BT3.9-C100
• Manufacturer: Dongfeng Cummins Engine Co., Ltd. (China, Xiangyang, Hubei)
• Configuration: 4-cylinder, inline, turbocharged diesel
• Displacement: 3.9 liters
• Bore × Stroke: 102 mm × 120 mm
• Compression Ratio: 16.5:1
• Rated Power: 100 HP (75 kW) @ 2400 RPM
• Peak Torque: 330 Nm @ 1600 RPM
• Firing Order: 1-3-4-2
• Dry Weight: 338 kg
• Dimensions (L × W × H): 778 × 634 × 912 mm
• Fuel Consumption: ~250 g/kWh at rated power
• Cooling Capacity: 7.9 L

Application in Rough Terrain Forklifts

Our KDJY50 (Landtiger50) and CPCY50 (Pioneer50) 5-ton 4x4 rough terrain forklifts are designed to operate in harsh environments such as construction sites, farms, and mining areas. While we offer domestic engine options, we also provide the Cummins 4BT3.9-C100 as a premium power configuration for customers who value international brand reputation and superior reliability.

With its 100 HP output and 330 Nm torque, this engine ensures strong driving power, stable lifting capacity, and reliable performance even on uneven ground. Supported by Cummins’ global service network, customers can rely on efficient maintenance and worldwide spare parts availability.

Benefits for Global Customers

• Trusted Brand – Cummins technology with DCEC production ensures reliability and recognition.
• Proven Performance – durable and efficient engine, suitable for long working hours.
• Flexible Options – gives customers the choice of international engine configuration.
• Strong Global Support – backed by Cummins’ worldwide service and parts supply.

By equipping our Landtiger50 and Pioneer50 forklifts with the Cummins 4BT3.9-C100, we provide customers with a high-value solution that balances performance, reliability, and international acceptance.