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NLB-500 Petrol Rail Bolt Wrench
NLB-500 Petrol Rail Bolt Wrench
The NLB-500 Petrol Rail Bolt Wrench is a powerful and portable fastening tool specifically designed for tightening and loosening rail bolts used in railway construction, maintenance, and repair operations. Powered by a reliable 2.4 kW two-stroke petrol engine, this heavy-duty machine delivers high torque and dependable performance, making it ideal for railway contractors, maintenance crews, and infrastructure projects.
Featuring a compact and robust design, the NLB-500 is equipped with a 51.7 cc air-cooled engine that provides excellent power output while maintaining fuel efficiency. Its diaphragm-type carburettor ensures smooth engine operation and reliable performance in demanding working conditions.
With an impressive tightening torque range of 550–2,000 N·m (406–1,250 ft-lbs), the NLB-500 is capable of handling a wide variety of railway fastening applications. The machine operates at a maximum engine speed of 9,880 rpm, delivering rapid and efficient bolt tightening while maintaining consistent torque output.
Designed for portability, the wrench weighs only 20 kg, allowing operators to easily transport and position the unit along railway tracks. The 1-litre fuel tank provides sufficient operating time for fieldwork, while the durable construction ensures long service life in harsh outdoor environments.
The NLB-500 is an ideal solution for railway maintenance teams requiring a reliable, high-performance petrol-powered bolt wrench for track installation, inspection, and maintenance.
Powerful 2.4 kW two-stroke petrol engine
Reliable 51.7 cc air-cooled engine
High tightening torque of 550–2,000 N·m
Lightweight and portable 20 kg design
Durable construction for railway maintenance applications
Diaphragm-type carburettor for reliable fuel delivery
High-speed operation for increased productivity
Suitable for rail construction and maintenance
Easy to transport and operate in remote locations
| Specification | Details |
|---|---|
| Model | NLB-500 |
| Machine Type | Petrol Rail Bolt Wrench |
| Engine Type | Two-Stroke, Forced Air-Cooled, Horizontal Engine |
| Engine Power | 2.4 kW |
| Engine Displacement | 51.7 cc |
| Cylinder Bore × Stroke | Ø44 × 34 mm |
| Fuel Tank Capacity | 1 L |
| Fuel Mixture Ratio | 25:1 |
| Idle Speed | 2,700 ± 250 rpm |
| Loaded Speed | 7,120 rpm |
| Maximum Engine Speed | 9,880 rpm |
| Maximum Output | 2.03 PS @ 6,500 rpm |
| Maximum Torque | 0.34 kg·m @ 5,500 rpm |
| Compression Ratio | 7.4:1 |
| Fuel Consumption | 380 g/PS·h |
| Carburettor Type | Diaphragm Type |
| Tightening Torque Range | 550–2,000 N·m (406–1,250 ft-lbs) |
| Clutch Engagement Speed | 1,200 rpm |
| Net Weight | 20 kg |
Railway track installation
Rail bolt tightening and loosening
Railway maintenance and repair
Track renewal projects
Rail infrastructure construction
Metro and light rail systems
Industrial railway maintenance
The NLB-500 Petrol Rail Bolt Wrench combines powerful engine performance, high torque output, and rugged durability, making it an essential tool for efficient railway fastening operations and long-term infrastructure maintenance.
| Model | NLB-500 |
|---|---|
| Machine Type | Petrol Rail Bolt Wrench |
| Engine Type | Two-Stroke, Forced Air-Cooled, Horizontal Engine |
| Engine Power | 2.4 kW |
| Engine Displacement | 51.7 cc |
| Cylinder Bore × Stroke | Ø44 × 34 mm |
| Fuel Tank Capacity | 1 L |
| Fuel Mixture Ratio | 25:1 |
| Idle Speed | 2,700 ± 250 rpm |
| Loaded Speed | 7,120 rpm |
| Maximum Engine Speed | 9,880 rpm |
| Maximum Output | 2.03 PS @ 6,500 rpm |
| Maximum Torque | 0.34 kg·m @ 5,500 rpm |
| Compression Ratio | 7.4:1 |
| Fuel Consumption | 380 g/PS·h |
| Carburettor Type | Diaphragm Type |
| Tightening Torque Range | 550–2,000 N·m (406–1,250 ft-lbs) |
| Clutch Engagement Speed | 1,200 rpm |
| Net Weight | 20 kg |
The Gasoline Impact Wrench Railway Equipment is designed for loosening and fastening the tie bolts and nuts of railway tracks.
This rail bolt wrench is powered by a gasoline engine.
The engine power of the Gasoline Impact Wrench is 4.5 KW.
The engine operates at a speed of 3600 r/min.
The weight of the Gasoline Impact Wrench is 60 kg.
The maximum unscrew torque is greater than 600 N·m.
The product comes with 2 sleeves.
The adjustable tightening torque range is from 80 to 170 N·m.
The dimensions of the Gasoline Impact Wrench are 1300 mm x 510 mm x 760 mm.
The work efficiency is less than 10 points.
Yes, the factory tightening torque is set at 125 N·m.
While it is primarily designed for railway applications, it may also be suitable for other heavy-duty fastening and loosening tasks, depending on the specifications.
The torque reversal is achieved through a clutch, transmission shaft, and bevel gear reversal deceleration mechanism.
The impact mechanism accumulates torque through a connecting shaft and an afterburner mechanism, facilitating loosening and locking operations.
Yes, regular maintenance is required for the gasoline engine, including checking oil levels and ensuring proper fuel quality.
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