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| Warranty: | 1 Year |
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Railway Bolt Tightening Robot:
2.Harness the power of high-precision sensors, ensuring rapid responses and pinpoint accurate recognition, elevating operational efficiency to new heights.
3.Unleash the might of high loosening torque, effortlessly tackling and removing even the most stubborn, severely rusted bolts.
4.Navigate the night with ease, thanks to integrated LED lighting designed to enhance visibility and convenience during nighttime operations.
5.Engineered with a floating platform design, this robot adeptly handles skewed bolts, ensuring optimal results and heightened efficiency with every operation.
6.Designed for versatility, capable of executing single-rail, single-side operations, adeptly adapting to a variety of working conditions and requirements.
Presenting the NLB-300 Gas Power/Electric Railway Impact Wrench, meticulously crafted for precise loosening and tightening of rail tie bolts and nuts. This robust tool meets the critical locking torque demands for rail fastenings, boasting a rotating four-wheel travel mechanism that allows it effortless mobility along the rails.

| Dimensions | <50kg (including battery), 560×395×490mm |
| Power Supply | Lithium battery, capable of continuous operation for over 1000 bolt sets on a full charge |
| Battery Capacity | 36V 48Ah |
| Mobility | The equipment automatically moves along a single rail once activated by the user |
| Speed | Adjustable from 0 to 5 km/h |
| Motor No-load Speed | ≥1200 rpm |
| Socket Center Distance | 214/234 ±0.5mm (adjustable) |
| Work Efficiency | 5-6 seconds per set |
| Tightening Torque | 80-350 N.m |
| Maximum Loosening Torque | ≥850 N·m |
| Operation Mode | Main unit control via key buttons, remote control available |
| Working Environment | Suitable for daytime, nighttime, and complex environments such as bridges and tunnels |
| Specification | (NB)NLB-500 Handle | NLB-300 | NLB-600 | NLB-600 | LB-300 (Electric) |
| Engine/Motor Model | Two-stroke gasoline engine | GX160/GX200 | GX160H1 | GX160H1 | Y100L-2 (Electric Motor) |
| Rated Power | 2.2 kW | 3.05 kW / 4.1 kW | 4 kW | 4 kW | 3 kW |
| Rated Speed | - | 3600 r/min | 1800 r/min | 1800 r/min | 2800 r/min |
| Spindle Speed | 800 r/min | 780 r/min | 73-78 r/min/122 r/min | 122 r/min | 560 r/min |
| Max. Loosening Torque | ≥500 N·m | ≥300 N·m | >600 N·m | ≥600 N·m | 300 N·m |
| Max. Tightening Torque | - | ≥150 N·m | Adjustable 80-170 N·m (Factory: 125 N·m) | Adjustable 80-200 N·m (Factory: 180 N·m) | - |
| Number of Sockets/Heads | - | - | 2 | 2 | - |
| Socket Spacing | - | - | 214 ±0.5 mm | 214 ±0.5 mm | - |
| Working Efficiency | - | ≤10 pcs/min | ≥10 pcs/min | ≥10 pcs/min | 10 pcs/min |
| Net Weight | 19 kg | 60 kg | 79 kg | 90 kg | 72 kg |
| Dimensions (mm) | 830×280×380 | 1300×510×760 | 855×490×820 | 900×500×1025 | - |
| Applicable Range | M32 Bolt | - | - | - | M24 Nuts |










