Bottom Dumper
High-capacity bottom-discharge wagons by Kiruna Wagon — unloading rates up to ~20,000 t/h.
- Axle-load envelope
- Portfolio capability: up to 45 t per axle
- Speed envelope
- Portfolio capability: up to 130 km/h
Product overview
The Kiruna Wagon Bottom Dumper discharges through bottom gates at rates up to approximately 20,000 tonnes per hour — proven heavy-haul technology for ores, grain and bulk goods. Kiruna Wagon bottom gates and discharge mechanisms are the core of the 75 Grain Wagons project, assembled at Egyptian railway production facilities with Tahawy–Kiruna technical guidance.
Technical highlights
- Bottom discharge up to ~20,000 t/h
- Two bottom doors per side on the ENR grain wagons
- Assembled locally at Egyptian production partners with technical guidance
Configuration options
- Amsted Rail Motion Control, Swing Motion, Super Service Ride Control or TrakMaster bogie by duty
- Griffin wheels, application-matched axles and Brenco bearings
- Automatic coupler and draft-gear energy management
- Track gauge, loading gauge and curve-radius configuration
- Pneumatic brake and hand-brake arrangement
- Cargo-specific body, lining, doors, hatches and discharge equipment
- Climate, corrosion and maintainability package
- Applicable AAR, TSI, EN, UIC or customer standards
Technical data
Technical Specifications
| Specification | Value | Technical note |
|---|---|---|
| Bogie system | Amsted Rail freight bogie family | Model selected by payload, speed, track and ride requirements |
| Portfolio axle-load envelope | Up to 45 t per axle | Final value depends on wagon, infrastructure and approvals |
| Portfolio speed envelope | up to 130 km/h | Final value depends on load state, bogie, brakes and route approval |
| Track gauge | 914–1,676 mm across the Amsted freight family | Availability varies by bogie model |
| Wheels and axles | Griffin wheels and application-matched axles available | |
| Bearings | Brenco tapered roller bearing packages available | |
| Coupling | Amsted automatic couplers and draft gears available | |
| Braking | Project-specific freight brake system | |
| Compliance | Applicable AAR, TSI, EN, UIC or customer requirements |
Talk to our rolling-stock team
Discuss supply, representation and localization for your railway project.
Contact Tahawy Group