The Cat? C4.4 Naturally Aspirated (NA) Industrial Diesel Engine is offered in ratings ranging from 54-56 bkW (72.4-75 bhp) @ 2200 rpm. These ratings meet EU Stage IIIA equivalent emission standards.

Cat? C4.4 自然进气（NA）和工业柴油发动机在 2200 rpm 转速时的额定功率范围介于 54-56 bkW（72.4-75 bhp）之间。这些额定功率符合欧盟 Stage IIIA 等效排放标准。

Web Site: For additional information on all your power requirements, visit www.cat-industrial.com. Emissions Designed to meet 2012 EPA (U.S.) Tier 4 Interim, EU Stage IIIB and Japanese MLIT emissions requirements. Reliable, Quiet, and Durable Power World-class manufacturing capability and processes coupled with proven core engine

Cat® C4.4 Industrial Diesel Engines offer the perfect balance of durability, fuel efficiency and low emissions. Extensively tested on the job, these engines use a range of common rail fuel systems and advanced control systems to deliver maximum uptime in the harshest environment.

2018年7月30日 · C4 4 ACERT 发动机在 2200 rpm 转速时的额定功率介于 61 5 到 106 bkW（82 5 到 142 bhp）之间，符合 EPA Tier 3 等效排放标准、欧盟 Stage IIIA 等效排放标准。 它们可按照美国 EPA 和欧盟 Flexibility 规定提供，适用于其他限制排放的地区和无排放限制的地区。

The Caterpillar C4.4 engine, manufactured since 2019, is a machine component with a displacement of 4.4 liters and a weight of 535 kilograms. It features a maximum torque of 825 Nm and is equipped with four cylinders. The bore measures 105 mm, while the stroke is 127 mm.

The Cat® C4.4 Industrial Diesel Engine is offered in ratings ranging from 82-150 bkW (109-200 bhp) @ 2200 rpm, which meet U.S. EPA Tier 4 Final, EU Stage V emission standards.

The Cat® C4.4 Naturally Aspirated (NA) Industrial Diesel Engine is offered in ratings ranging from 54-56 bkW (72.4-75 bhp) @ 2200 rpm. These ratings meet EU Stage IIIA equivalent emission standards.

Tier 4 Interim 或 Tier 4 Final、Stage IIIB 或 Stage IV 引擎需要使用含硫量不超過 15 ppm 的超低硫柴油 (ULSD, Ultra Low Sulfur Diesel) 和新機油配方以支援新技術。Cat ® 引擎設計可注入 B20 生物燃料。您的 Cat 代理商可提供有關燃油和機油的詳細資訊。

Cat® C4.4 ACERT Industrial Diesel Engines offer the perfect balance of durability, fuel efficiency and low emissions. Extensively tested on the job, these engines use a range of common rail fuel systems and advanced control systems to deliver maximum uptime in the harshest environment.