The Kobelco SK55SRX-6E is a compact mini excavator designed for construction, utility, landscaping, and site preparation work in confined spaces. It features a short-radius tail swing for improved maneuverability, a reduced operating footprint, and stable digging performance on tight job sites. The SK55SRX-6E is typically equipped with a fuel-efficient diesel engine, hydraulic auxiliary circuits for attachments, and a comfortable operator station with straightforward controls. Its size and configuration make it suitable for trenching, grading, backfilling, and material handling where larger excavators cannot operate efficiently. The model is part of Kobelco's mini excavator lineup for light to medium-duty applications.
Boom/Stick 1
Kobelco SK55SRX-6E Mini Excavator Boom/Stick 1 specifications
Arm Crowding Force - Sae
5,327.98 lbs (2,416.73 kg)
Boom/Stick 1
Mono Boom
Bucket Digging Force - Sae
6,991.56 lbs (3,171.32 kg)
Max Cutting Height
19.50 ft (5.94 m)
Max Digging Depth
12.10 ft (3.69 m)
Max Loading Height
14.30 ft (4.36 m)
Max Reach Along Ground
20.00 ft (6.10 m)
Max Vertical Wall Digging Depth
10.40 ft (3.17 m)
Shipping Height Of Unit
8.40 ft (2.56 m)
Shipping Length Of Unit
18.11 ft (5.52 m)
Buckets
Kobelco SK55SRX-6E Mini Excavator Buckets specifications
Reference Bucket Capacity
0.1 cu yd
Dimensions
Kobelco SK55SRX-6E Mini Excavator Dimensions specifications
Height To Top Of Cab
8.40 ft (2.56 m)
Length Of Track On Ground
18.11 ft (5.52 m)
Tail Swing Radius
4.20 ft (1.28 m)
Width To Outside Of Tracks
6.50 ft (1.98 m)
Engine
Kobelco SK55SRX-6E Mini Excavator Engine specifications
Displacement
133.60 cu in (2,189.32 cu cm)
Engine Model
YANMAR 4TNV88C-PYB
Engine Type
Water cooled, 4-cycle, 4-cylinder, direct injection, diesel engine
Max Torque
97.30 lbs ft (131.92 nm)
Net Power
37.40 hp (27.89 kw)
Number Of Cylinders
4
Power Measured @
2400 rpm
Torque Measured @
1560 rpm
Hydraulic System
Kobelco SK55SRX-6E Mini Excavator Hydraulic System specifications
Max. Oil Flow
2 x 13.2 (49.9), 8.9 (33.8), 2.9 (10.8) (gal/min (L/min))
Pump Type
Two variable displacement pumps+ two gear pumps
Relief Valve Setting
3,335 (23.0) (psi (MPa))
Operational
Kobelco SK55SRX-6E Mini Excavator Operational specifications
Fuel Capacity
19.90 gal (75.32 l)
Operating Weight
11,600.00 lbs (5,261.68 kg)
Traction Force
12,342.00 lbs (5,598.24 kg)
Swing Mechanism
Kobelco SK55SRX-6E Mini Excavator Swing Mechanism specifications
Swing Motor
Axial piston motor
Swing Speed
8.5 rpm
Undercarriage
Kobelco SK55SRX-6E Mini Excavator Undercarriage specifications
Ground Pressure
3.81 psi
Max Travel Speed
2.50 mph (4.02 kph)
Number Of Track Rollers Per Side
5
Shoe Size
15.70 in (39.88 cm)
×
Stay Ahead of the Market
Get weekly equipment news, auction updates, and dealer insights — trusted by thousands of industry professionals.