Large excavator FM321

trackeddieselconstruction

Product overview
The FMAN FM321 hydraulic excavator is a 21.5-ton class machine engineered for heavy-duty and continuous high-load operations. It is suitable for foundation engineering, earthmoving, road construction and mining, offering a rigid structure and stable performance under prolonged use.

Power & performance
The FM321 is supplied standard with a 0.9 m³ bucket to increase single-pass productivity. The powertrain uses the proven CUMMINS 6BTAAB5.9 engine. With a working weight of 21,500 kg, the machine provides the power and stability required for sustained heavy excavation. Maximum digging depth is 6,548 mm and maximum digging height is 9,292 mm, providing a wide working range.

Applications & attachments
Designed for deep foundation excavation, large-scale earthmoving and loading tasks, the FM321 accepts multiple attachments to expand its use cases.

Attachments / options

• Hydraulic breaker
• Log grapple
• Auger (drill)

Key features

• Working weight: 21,500 kg
• Standard bucket capacity: 0.9 m³
• Engine: CUMMINS 6BTAAB5.9
• Designed for heavy-duty, continuous operation
• Compatible with multiple attachments: breaker, grapple, auger

Technical specifications

• Total length: 9,593 mm
• Overall width: 2,790 mm
• Total height (boom top): 3,190 mm
• Overall height (cab top): 3,120 mm
• Counterweight ground clearance: 1,048 mm
• Minimum ground clearance: 468 mm
• Tail turning radius: 2,855 mm
• Track grounding length: 3,445 mm
• Track length: 4,260 mm
• Rail gauge: 2,180 mm
• Track width: 2,780 mm
• Track shoe width: 600 mm
• Turntable width: 2,700 mm
• Arm length: 2,900 mm
• Boom length: 5,700 mm
• Maximum excavation height: 9,292 mm
• Maximum unloading height: 6,580 mm
• Maximum excavation depth: 6,548 mm
• Maximum vertical wall excavation depth: 5,206 mm
• Max excavation distance at 2.5 m horizontal: 6,413 mm
• Maximum excavation reach: 9,898 mm
• Maximum excavation reach on ground: 9,714 mm
• Minimum turning radius: 3,800 mm
• Max height at minimum turning radius: 7,660 mm
• Distance from rotation center to rear end: 2,855 mm
• Track tooth thickness: 26 mm
• Counterweight height: 2,318 mm
• Grounding length (transport): 5,060 mm
• Working weight: 21,500 kg
• Standard bucket capacity: 0.9 m³
• Engine: CUMMINS 6BTAAB5.9