Each Monday over the coming weeks, we are posting specs reviews of some of Australia’s top selling mini excavator models as listed in our recent story on this website, today, we Spec Check Komatsu’s PC30MR-5 mini excavator. 

The Komatsu PC30MR-5 is considered versatile and efficient and is designed to tackle a wide range of construction, landscaping, and utility tasks. 

Subscribers to PS Plant Specs Online can compare the specs for this machine against similar models from other manufacturers, in our annual print editions, online or via the PS Lookup App. Subscribe now.

Since its introduction in 2018, this mini excavator has set a high standard in its class, combining Komatsu’s engineering with user-friendly features. 

Its compact size and robust performance make it a popular choice for contractors and operators who need a reliable machine for tight spaces and demanding jobs.

With an operating weight of 3,100kg, it strikes a balance between stability and maneuverability, making it ideal for urban construction sites and confined spaces. 

The standard bucket capacity of 0.09m³ and a bucket width of 450mm ensure efficient material handling for small to medium-sized projects. 

For digging tasks, the machine offers a maximum digging depth of 2,760mm and a reach at ground level of 4,910mm, providing versatility for trenches, foundations, and other excavation work.

Powering the PC30MR-5 is the Komatsu 3D88E-7 Tier 4-compliant engine, which delivers 18.2 kW (24.4 hp) at 2,200 rpm. 

The main pumps deliver a flow rate of 64+18.7 litres per minute, with a relief valve pressure set at 215 bar, providing consistent power and control for demanding tasks. 

Additionally, the PC30MR-5 boasts a bucket breakout force of 3,000kgf and an arm breakout force of 1,800kgf, enabling it to handle tough materials and challenging digging conditions.

As a mini excavator one of the features of the PC30MR-5 is its compact design, which allows it to operate in tight spaces without compromising performance. 

With a transport length of 4,560mm, a width of 1,550mm, and a tail-swing radius of 790 mm, this mini excavator can easily navigate narrow job sites and urban environments. 

Its low ground clearance and short track length further enhance its stability and maneuverability, making it an excellent choice for projects where space is limited.

The PC30MR-5 is compatible with a wide range of attachments, whether you need a bucket for digging, a breaker for demolition, or a grapple for material handling, this mini excavator can be easily configured to meet your needs. 

The inclusion of a spare spool for attachments further enhances its versatility, allowing operators to switch between tools quickly and efficiently. 

The Tier 4-compliant engine not only reduces emissions but also improves fuel efficiency, helping operators save on operating costs. 

To access the specifications for the Komatsu PC30MR-5 mini digger, subscribe to PS Plant Specs Online, click here