KH70B 4-Axle Flexible Roof Covered Hopper

RailMac KH70B 4-Axle Flexible Roof Covered Hopper

The KH70B 4-Axle Flexible Roof Covered Hopper is a high-efficiency railway wagon designed for the bulk transportation of fly ash and other powdered bulk materials. It features a 70 t loading capacity and 75 m³ loading volume, paired with a lightweight tare weight of 26.6 t, delivering an optimized payload-to-weight ratio. With a 25 t/axle load rating, it meets heavy-haul railway operation standards.
Measuring 14,400 mm in length, 3,300 mm in width, and 4,465 mm in height, it operates on a 1,435 mm standard gauge track. The wagon achieves a maximum full-load speed of 80 km/h, ensuring efficient long-distance delivery, while its 145 m minimum negotiable curve radius enables flexible deployment across diverse railway networks. Its flexible roof design further enhances loading convenience and cargo protection.
As part of SinoMac, RailMac provides full life‑cycle services for the KH70B 4-Axle Flexible Roof Covered Hopper, including design, system supply, installation, commissioning, after‑sales training, spare parts supply, troubleshooting and overhaul support, ensuring stable and efficient performance throughout its service life.

Advantages of KH70B 4-Axle Flexible Roof Covered Hopper

The 26.6 t tare weight (lighter than equivalent models) paired with a 70 t loading capacity delivers an industry-leading payload-to-weight ratio, reducing per-tonne transportation costs and improving operational profitability.
The specialized flexible roof structure provides reliable weatherproofing and anti-contamination protection for powdered cargo like fly ash, while enabling quick, convenient loading operations—enhancing overall logistics efficiency.
With an 80 km/h full-load speed and a 145 m negotiable minimum curve radius, the wagon excels on both main trunk lines and intricate branch routes, ensuring smooth, flexible operation across diverse railway networks.
The 25 t/axle load rating complies with stringent heavy-haul railway infrastructure requirements, ensuring exceptional structural durability and safe, stable transportation even under continuous high-capacity loading conditions.

Technical Specifications

Trains Model:	KH70B 4-Axle Flexible Roof Covered Hopper
Loading Capacity:	70 t
Gauge:	1435 mm
Axle Load:	25 t/axle
Max Speed (Full Load):	80 km/h
Loading Volume:	75 m³

coming soon

Model	Loading Capacity	Gauge	Axle Load	Max Speed (Full Load)	Loading Volume
KH70B 4-Axle Flexible Roof Covered Hopper	70 t	1435 mm	25 t/axle	80 km/h	75 m³
1520mm Gauge Grain Hopper Wagon	70 t	1520 mm	25 t/axle	120 km/h	104 m³
6-Axle Grain Hopper	80 t	1600/1435 mm	23 t/axle	115 km/h	126 m³
KM70G 4-Axle Covered Lime Hopper	74 t	1435 mm	25 t/axle	120 km/h	82 m³
KH70 4-Axle Fly Ash Covered Hopper	70 t	1435 mm	25 t/axle	80 km/h	75 m³
70t 4-AxleRailway Grain Hopper Wagon	69 t	1435 mm	23 t/axle	120 km/h	98 m³
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Main Parameters
Loading capacity	70 t	Tare weight	26.6 t
Axle load	25 t/axle	Loading Volume	75 m³
Overall length	14400 mm	Overall width	3300 mm
Overall height	4465 mm	Gauge	1435 mm
Max speed (full load)	80 km/h	Minimum radius of curvature negotiable	145 m
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Q1: Do you have the design capability to provide customized railway vehicles?

A: Yes, we have a professional technical team and are familiar with international railway standards such as UIC, AAR, EN, etc. We are able to provide railway equipment according to customer requirements.

Q2: The Chinese railway gauge is 1435 mm, but the railway gauge in our country is 1000 mm. Will this be a problem for you?

A: Of course not, we are able to design railway vehicles with different gauges, such as 1435 mm, 1000 mm, 1067 mm, 1520 mm or other required railway gauges.

Q3: Compared with your competitors, why should I choose you?

A: Tieke Railway was transformed from China Railway Freight Car Factory in 2016. The company has more than 10 years of experience in railway vehicle manufacturing; now, as Tieke Railway is a private company with modern market management strategies, our services are flexible, considerate, and the cost is more controllable.

Q4: What should I provide to get your quotation?

A: You can send an inquiry with detailed drawings, product photos, detailed technical parameters or demand description. Complete demand input is very important for us to provide you with an accurate quotation.