Hyundai Construction Equipment Americas, Inc., added the new certified final Tier 4 R55-9A and R55W-9A mini excavators to their 9A series product line. These models are ideal for rental, light construction, utility, and landscape applications. 

The R55-9A has an operating weight of 12,460 lbs. and is powered by a reliable 65.1 hp final Tier 4 Yanmar 4TNV98C engine. The R55W-9A has an operating weight of 12,240 lbs. and is powered by a 65.1 hp final Tier 4 Yanmar 4TNV98 engine. The R55-9A has a dig depth of 12 feet, 6 inches, and the R55W-9A has a dig depth of 11 feet, 6 inches. Both machines feature a bucket digging force of 8,490 lbf and bucket capacity of .24 cubic yards. A dozer blade comes standard for light grading, backfilling, and for stability while excavating. 

Hyundai’s R55-9A is a track model with standard steel tracks and optional rubber tracks. The R55W-9A is a wheeled model, allowing for greater mobility. 

R55-9A

R55W-9A

Operating Weight (lbs.)

12,460

12,240

Bucket Breakout Force (lbf)

8,490

8,490

Maximum Dig-Depth (ft.)

12 feet, 6 inches

11 feet, 6 inches

Engine horsepower

65.1

65.1

Bucket Size (cubic yards)

.09 - .24

.09 - .24

Both models have an advanced hydraulic system including an arm flow summation system, boom holding system, and a swing parking brake for smooth operation. Improved pump flow control minimizes fuel consumption, and improved spool valves are engineered to provide more precise flow to each function with less effort. Other valuable features include a hydraulic damper in the travel pedal and a hydraulically lubricated swing reducer with a leak-free grease chamber.