GEHL Z55 Excavator

[MikePhua]

The GEHL Z55 is a 5-ton class zero-tail swing hydraulic crawler excavator, designed for urban construction, road maintenance, agricultural improvement, and operations in confined spaces. This machine is compact, maneuverable, comfortable to operate, stable in performance, and easy to maintain. It meets users' demands for high efficiency and versatility, making it an ideal choice for small to medium-sized excavation projects.

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Z55 Main Specifications (List)
1️⃣ Dimensions & Weight

• Transport length: 5,475 mm
  
• Transport width: 1,960 mm
  
• Transport height: 2,540 mm
  
• Minimum ground clearance: 335 mm
  
• Track length: 2,420 mm
  
• Track shoe width (single side): 400 mm
  
• Track gauge: 1,560 mm
  
• Upper structure width: 1,960 mm
  
• Tail swing radius: 980 mm
  
• Operating weight: 5,400 kg
  

2️⃣ Working Range

• Maximum digging height: 5,530 mm
  
• Maximum dumping height: 3,830 mm
  
• Maximum digging depth: 3,530 mm
  
• Maximum vertical digging depth: 3,090 mm
  
• Maximum digging radius: 6,030 mm
  
• Minimum swing radius: 2,520 mm
  

3️⃣ Performance

• Standard bucket capacity: 0.15 m³
  
• Bucket breakout force: 40.1 kN
  
• Arm digging force: 26.7 kN
  
• Travel speed (high/low): 4.2 / 2.5 km/h
  
• Swing speed: 9.1 rpm
  
• Maximum traction force: 52.9 kN
  
• Gradeability: 30°
  

4️⃣ Engine

• Model: YANMAR 4TNV88
  
• Rated power: 34.3 kW @ 2,200 rpm
  
• Displacement: 2.19 L
  
• Number of cylinders: 4 in-line
  
• Maximum torque: 137.5 Nm
  

5️⃣ Hydraulic System

• Main pump type: Variable displacement piston pump
  
• Maximum flow: 2 × 55.7 L/min
  
• Main control valve: Multi-way directional valve
  
• Pilot system: Load sensing
  
• Travel motors: 2 units
  
• Swing motor: 1 unit
  

6️⃣ Capacities

• Fuel tank: 67 L
  
• Hydraulic oil tank: 70 L
  
• Engine oil: 8.5 L
  
• Coolant: 6 L
  
• Swing reduction gear oil: 1.2 L
  
• Travel reduction gear oil: 2 × 1.5 L
  

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Summary
The GEHL Z55 excavator is compact yet powerful. It is equipped with a high-efficiency Yanmar engine and an advanced hydraulic system, delivering strong digging force and agile operations, making it especially suitable for urban and tight job sites. The spacious cab is designed with excellent ergonomics, ensuring comfort for long hours, while maintenance is straightforward and cost-effective. Whether for building construction, landscaping, or municipal road repairs, the Z55 is a reliable partner that helps boost work efficiency and reduce operating costs.