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Industry outlook: Mini excavators tread new rental territory

January 30, 2017 | Corporate News

Attachments, power options and versatile operator settings increase rentability

Tracked compact or mini excavators, which the Association of Equipment Manufacturers define as 0 to 6 metric tons, can get into tight places. 
Most units can be hauled from yard to job site with Class 1 and Class 2 trucks. Usually, that means the driver isn’t required to have a Commercial Driver’s License (depending on the local regulations). 

The AEM reports the 3- to 4-metric ton units are the most popular. These models are extremely versatile, performing in-building work, tight subdivision sewer repairs, water line installation and foundation repairs. They save countless hours of labor compared with doing excavation work by hand.

Pro Contractor Rentals magazine asked leading mini excavator manufacturers on how and why rental centers are adding mini excavators to their rental fleets. Their insights share helpful selection information and features that can expand their versatility – and rentability.

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Juston Thompson, Product Training Manager, Hyundai Construction Equipment Americas

Hyundai’s new 9A series compact excavators feature Hyundai quick couplers for easy switching between attachments, enabling operators to take on a variety of jobs. The quick coupler is standard on all 9A series models except the smallest unit, the R17Z-9A; auxiliary hydraulic piping also is standard, accommodating a variety of attachments.

A standard pattern-change valve, positioned for easy access, changes joystick control from SAE to ISO operation, depending on operator preference. This is especially useful for rentals where a different operator may be in the cab every day.

The 9A line of mini excavators features an innovative, precision hydraulic system that provides fast, smooth and easy control. Hyundai redesigned the hydraulic system on the three largest 9A series models to provide the operator with super-fine touch and improved control, which enhances operating precision. The arm flow summation system combines flow from both pumps, which reduces cavitation and increases arm speed.

The standard boom swing function allows the boom to offset 75 degrees to the left and 50 degrees to the right for efficient work in congested areas. Other standard features include factory-installed thumb brackets and large dozer blades. 

Enhanced reliability features include bushings with longer lubrication intervals and integrated preheating systems that extend service intervals and reduce machine downtime.

The canopy-style frame on the 9A models assure operator safety and comply with international operator protection standards. The models also feature foldable pedals for added cab space; in-cab storage compartments are popular with operators.

Controls are located for improved operator comfort and productivity. The LCD cluster display in the three larger models monitors seven warning indicators, water temperature, fuel level and operating hours. The operator experience is enhanced with a fully adjustable suspension seat, wrist rests, ergonomically designed joysticks and plenty of legroom.

Hyundai’s 9A series includes six compact excavator models, including three zero-tail swing models, two compact-radius models and one with standard counterweight configuration.

The 6-ton Hyundai R60CR-9A is a popular choice among rental centers. It is a compact-radius model powered by a Tier 4 Final-certified Yanmar engine with net 63 hp. Bucket breakout force is 8,220 ft.-lbs. and maximum dig depth is 11 feet 9 inches. Its standard auto-idle function reduces engine speed automatically when operators are not using the controls.

Hyundai excavators are compatible with a full spectrum of third-party attachments, as well as Hyundai hydraulic breakers.

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