280kN 28-Ton Hydraulic Transmission Line Stringing Equipment with 38mm Rope Capacity and 1600mm Reel Size
Professional hydraulic puller machine designed for overhead high voltage conductor installation with maximum 28-ton pulling capacity.
| Specification | Value |
|---|---|
| Maximum Intermittent Pull | 280kN (28 tons) |
| Maximum Continuous Pull | 250kN |
| Speed at Maximum Pull | 2.5 km/h |
| Maximum Speed | 5 km/h |
| Pull at Maximum Speed | 120kN |
| Maximum Rope Diameter | 38mm |
| Maximum Reel Size | 1600mm |
Ideal for long-span and mountainous terrain applications, capable of tension stringing for 4-bundle 500kV conductors, twin-bundle 220kV conductors, and conductors up to 800mm² cross-section.
- Diesel Engine: Cummins 298kW (400hp)
- Cooling System: Water-cooled
- Electrical System: 24V DC
- Bull-wheel Diameter: 960mm
- Number of Grooves: 11
- Maximum Coupling Diameter: 100mm
- Total Weight: 12,800kg
- Overall Dimensions: 5800×2500×2850mm
| Component | Manufacturer / Origin |
|---|---|
| Engine | Cummins (USA) |
| Main Pump | Rexroth (Germany) |
| Main Motor & Speed Reducer | Rexroth (Germany) |
| Tail Bracket Hoisting Motor | Eton (USA) |
| Hydraulic Meter | Germany |
| Main Valve | Rexroth (Germany) |
Features closed hydraulic circuit for stepless speed variation in both directions. Includes automatic pull pre-setting system that maintains preset pulling values even at zero speed, automatically adjusting operation speed based on friction and unexpected loads.
- Hydraulic dynamometer with set-point and automatic control
- Hydraulic oil cooling system
- Control instruments for hydraulic system and diesel engine
- On-board reel winder with automatic level wind
- Hydraulic front stabilizer
- Grounding connection point
- Electronic pull and speed recorder
- Trailer lighting system
- Hydraulic brake system for trailer
- Extra rollers for additional pilot rope
- Hydraulic rope clamp for reel change operations
- Extra shaft
One-year comprehensive quality guarantee with free component replacement. Post-warranty support with cost-price components. Proven reliability with international deployments across multiple continents including Africa, Asia, and Europe.
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