RailMac 50T Lead-acid Battery Locomotive
The RailMac 50T Lead – acid battery locomotive, with a Motor Power of 132 kW*2, adopts lead – acid battery as power source. Boasting an Hourly Traction of 98 kN and a Maximum Traction of 127 kN, it is designed for subway and tunnel shield construction, withstanding harsh construction environments like track conditions, steep slopes, and humidity. It can be matched with shield machines and gantry cranes to greatly boost construction efficiency, and its performance indicators rank at the industry’s advanced level.
The company provides customers with comprehensive life cycle services, from design to power system supply, installation and commissioning, to after-sales service, training, and spare parts supply, as well as troubleshooting and overhaul technical support. This full range of services ensures that customer equipment maintains high reliability and long-term operating efficiency during use.
We provide full life cycle services for all customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from troubleshooting to overhaul technical support.
Advantages of 50T Lead-acid Battery Locomotive
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Rich production experience: With more than 29 years of experience in electric locomotive production, Shaoli ensures that the 50T locomotive is well-engineered and reliable.
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Multiple certifications: The locomotive has obtained ISO 9001, ISO 45001, and CE certifications. These certifications prove its compliance with international quality, safety, and environmental standards.
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Independent intellectual property: Incorporates technologies with independent intellectual property rights, such as IGBT step-less speed regulating systems. This technology enhances the locomotive’s performance and efficiency.
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Customizable parameters: According to requirements, its parameters can be customized. This flexibility allows customers to meet their specific project needs.
Technical Specifications
| Train Model: |
50T Lead-acid Battery Locomotive |
| Self-Weight: | 50 tons |
| Track Gauge: | 762,900 mm |
| Hourly System Traction: | 98 kN |
| Max. Traction: | 127 kN |
| Hourly Speed: | 8.9 km/h |
| Rated Voltage: | 540 V |
| Application: | subway and tunnel shield construction |
Railway&Tunnel Construction
RailMac Railway & Tunnel Construction builds railway tunnels to overcome natural/urban limits. Tunnels shorten routes, boost train efficiency, and reduce surface traffic/residential interference (e.g., mountain/urban tunnels). They need detailed geological surveys and advanced tech like the shield method for safety/efficiency.
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Traction System
CHSR's CHSR™ CC750 air-cooled converter is a highly integrated traction and auxiliary "two-in-one" core equipment. It condenses key power conversion functions into a single compact enclosure, providing robust and stable power for intercity trains through standardized modular design, intelligent air cooling (IP65 protection), and mature and reliable components.
Bogie and Braking System
CRRC Braking Systems Co., Ltd.'s disc brake calipers use hydraulic or pneumatic-hydraulic conversion drive technology.They integrate automatic gap adjustment, modular caliper body, and three-point floating suspension design to ensure precise contact between brake pads and discs.
Track Body Components
RailMac provides railway solutions, focusing on one-stop Lince/Huanji wiper services (R&D, production, maintenance) plus rail air conditioning. It offers diverse wipers (DC110V/74V/24V, pneumatic) and developed China’s first IP-owned CRH3 EMU wiper, with products batch-loaded in CRH380/CR400BF/CR300BF.
Maintenance Equipment
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Railway Components
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RailMac
Partnering with global leaders, RailMac offers superior railway equipment and solutions at competitive prices. It hit milestones like Thailand’s 2017 first local train, pioneered SEA new energy trains, and joined Russia’s high-speed rail project, boosting its railway industry presence.
Train Model |
Self-Weight |
Track Gauge |
Hourly System Traction |
Max. Traction |
Hourly Speed |
Rated Voltage |
| 45T Lead-acid Battery Locomotive | 45 tons | 762,900 mm | 89 kN | 115 kN | 8.9km/h | 540 V |
| 50T Lead-acid Battery Locomotive | 50 tons | 762,900 mm | 98 kN | 127 kN | 8.9km/h | 540 V |
| 55T Lead-acid Battery Locomotive | 55 tons | 762,900 mm | 120 kN | 142 kN | 8.9km/h | 540 V |
| 60T Lead-acid Battery Locomotive | 60 tons | 762,900 mm | 120 kN | 153 kN | 8.9km/h | 540 V |
| 65T Lead-acid Battery Locomotive | 65 tons | 762,900 mm | 130 kN | 165 kN | 10km/h | 540 V |
| 15T Lithium Battery Locomotive | 15 tons | 762,900 mm | 20.92 kN | 39 kN | 9.6 km/h | 320 V |
| 20T Lithium Battery Locomotive | 20 tons | 762,900 mm | 39.23 kN | 50.96 kN | 15 km/h | 537.6 V |
| 25T Lithium Battery Locomotive | 25 tons | 762,900 mm | 65 kN | 74 kN | 9 km/h | 537.6 V |
| 30T Lithium Battery Locomotive | 30 tons | 762,900 mm | 71 kN | 81 kN | 8.9 km/h | 537.6 V |
| 35T Lithium Battery Locomotive | 35 tons | 762,900 mm | 80 kN | 92 kN | 10 km/h | 537.6 V |
| ——END—— | ||||||
General Information of RailMac 50T Lead-acid Battery Locomotive |
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| Model Name | 50T Lead-acid Battery Locomotive | Self-Weight | 50 tons |
| Track Gauge | 762/900 mm | Wheelbase | 2600 mm |
| Min. Turning Curve | 25 m | Wheel Diameter | Φ840 mm |
| Motor Power | 132 kW*2 | Battery Capacity | 730 Ah |
| Rated Voltage | 540 V | Hourly Traction | 98 kN |
| Max. Traction | 127 kN | Hourly Speed | 8.9 km/h |
| Max. Speed | 16.9 km/h | Length | 8220 mm |
| Width | 1500 mm | Height | 2400 mm |
| ——END—— | |||
Note: The above parameters can be customized according to requirements.
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Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

Engine Sale Manual

Installation Drawing

Installation Manual

Operation Manual

Parts Catalogue

