550Z Excavator

The Mustang 550Z compact excavators innovative design features ensure that the upper structure never overhangs the tracks. Attachments can be changed quickly with minimal effort with the POWER-A-TACH® system. The operator only leaves the seat to engage and disengage the safety pin. NEW for this excavator, Digital Operator Interface located in a highly visible area with backlit display. This display reads hours and clock, recordable maintenance history with adjustable time intervals and reminders, multiple language selections, records hours used for past 90 days and can be monitored without starting the engine.
Key Features
  • Powerful, proven Yanmar Tier IV engine offers reliable operation and a fuel efficient system providing 20% less fuel consumption.
  • ECO mode and auto deceleration improve fuel economy, decrease noise and lower emission levels by reducing engine speed when not necessary.
  • Optional hydraulic thumb attachment comes factory installed, adding versatility and enhancing productivity for a wide variety of applications.
  • Larger cab features state-of-the-art controls, digital interface display and excellent visibility. Optional fully-enclosed cab further enhances operator comfort.
  • Two large rear doors, a swing-open side access panel, and removable covers beneath the operator’s seat provide ample service access.
  • Attachments can be changed quickly with minimal effort. The operator only leaves the seat to engage and disengage the safety pin.
Type of ROPS / FOPS
Canopy / Cab
Type of tracks
Yanmar 4TNV86CT Tier IV
Output - Gross
47.6 hp @ 2400 rpm
Output - Net
44.9 hp @ 2400 rpm
128 cu. In.
Overall length (transport)
18 feet 3.7 inches
Overall height (transport)
Canopy/Cab 8 feet 4 inch
Overall width
6 feet 6.3 inches
Minimum Ground Clearance
13.6 inches
Hydraulic System
Pump capacity
2 variable / 2 Gear
Auxiliary hydraulic flow
36.9 gpm
Max. breakout force
- Bucket w/ quick coupler - w/o quick coupler
7,464 - 9,419 lbs.
- Arm w/ quick coupler - w/o quick coupler
5,058 - 5,485 lbs.
Drive System
Travel Speed
1.4 / 2.6 mph
Max. traction force
Tumbler distance
Crawler length
8 feet 6 inches
Shoe width
Ground contact pressure
4.4 / 4.25 psi
Swing System
Unit swing speed
Boom swing angle
- Left
- Right
- Width
6 feet 5.6 inches
- Height
15.7 inches
Max. lift above ground
Max. drop below ground
17.6 inches
Fluid Capacities
Hydraulic oil (reservoir)
10.0 gal
Fuel reservoir
17.4 gal
Operating Weight
Operating weight
11,850 / 12,247 lbs.
Additional Excavators