28 Ton 280kN Hydraulic Pulling Machine for 500KV Overhead Transmission Lines with Cummins 298kW Engine
This heavy-duty hydraulic pulling machine delivers 280kN maximum pulling capacity for tension stringing of 4-bundle 500kV or twin-bundle 220kV conductors up to 800mm², specifically designed for challenging long-span and mountainous terrain applications.
| 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 |
| Feature | Specification |
|---|---|
| Bull-wheel Diameter | 960mm |
| Groove Number | 11 |
| Maximum Rope Diameter | 38mm |
| Maximum Coupling Diameter | 100mm |
| Electrical System | 24V |
| Maximum Rope Reel Diameter | 1600mm |
| Total Weight | 12,800kg |
| Overall Dimensions (L×W×H) | 5800×2500×2850mm |
- Engine: Cummins 298kW (400hp) diesel with water cooling system
- Main Pump: German Rexroth hydraulic system
- Main Motor & Speed Reducer: German Rexroth precision components
- Tail Bracket Hoisting Motor: American Eton high-performance motor
- Hydraulic Meter: German precision instrumentation
- Operating Handle: German Rexroth ergonomic controls
Features closed hydraulic circuit for stepless speed variation in both rotating directions. The intelligent pull pre-setting system maintains preset pulling values even when speed is reduced to zero, automatically adjusting operation speed according to friction and unexpected loads.
- Hydraulic dynamometer with set-point and automatic maximum pull control
- Hydraulic oil cooling system for extended operation
- Integrated control instruments for hydraulic system and diesel engine
- On-board reel winder with automatic level wind (compatible with standard 1400 and 1600 models)
- Hydraulic front stabilizer for secure positioning
- Grounding connection point for safety compliance
- Trailer lighting system
- Air brake system for trailer
- Hydraulic rope clamp for reel change
- Swivel guide rope roller
- Trailer for towing at maximum speed of 30 km/h
- Extra shaft components
- Digital speed and meter counter
Yixing Boyu Electric Power Machinery Co., Ltd., established in 1994, specializes in research, development and production of electric power machinery. As a high-tech enterprise in Jiangsu Province, we utilize premium international components from Germany and USA to ensure superior quality and reliability in all our equipment.
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