Multi‑Axle‑Load Capacity
Two‑axle load options span 15 t‑21 t to meet varied load‑bearing demands.
QCZ85-00-000
Railmac 1435mm Gauge Bogie
Track gauge
1000 mm
Axle load
21 t
Wheel diameter
840 mm
Center plate free height
710 mm
Minimum curve radius
145 m
Products and performance
The QCZ85-00-000 standard gauge bogie is designed for 1435mm gauge railways, with an axle load of 21t, wheel diameter of 840mm, and center plate height of 710mm. Built on the proven K2 technology platform, it offers reliable structure, stable operation and high parts interchangeability, making it widely used on various railway freight cars in China.
Specifications
TKZ85Z-00-000 General Information
Track gauge: 1435 mm, standard‑gauge for mainstream railway lines.
Axle load: 21 t, for heavy‑duty freight service.
Wheel diameter: 840 mm, adaptable for standard‑gauge line conditions.
Center‑plate free height: 710 mm, flexible matching for car‑body interfaces.
Minimum negotiable curve radius: 145 m, outstanding curve‑passing capability.
In summary: This bogie adopts 1435 mm track gauge, with 21 t axle load, 840 mm wheel diameter, 710 mm center‑plate free height and 145 m minimum negotiable curve radius. Optimized for heavy‑haul standard‑gauge freight wagon applications.
TKZ85Z-00-000 Installation Data
Track gauge – 1435 mm.
Axle load – 21 t.
Wheel diameter – 840 mm.
Center‑plate free height – 710 mm.
Minimum negotiable curve radius – 145 m.
Engine Performance Data Rated power of TKZ85Z-00-000
Axle load – 21 t per axle. Defines the bogie's static and dynamic loading capacity for heavy‑duty standard‑gauge freight service.
Track gauge – 1435 mm. Standard‑gauge width, enabling operation on 1435 mm railway lines.
Wheel diameter – 840 mm. Matches standard‑gauge freight working conditions.
Center‑plate free height – 710 mm. Flexible matching for various car‑body interfaces.
Minimum negotiable curve radius – 145 m. Capable of negotiating curved track sections for versatile route adaptability.
In summary: This standard‑gauge bogie is designed for 1435 mm track. It adopts 840 mm wheel diameter, 710 mm center‑plate free height and 145 m minimum negotiable curve radius. Robust structural design delivers stable and reliable performance for heavy‑haul standard‑gauge freight wagon operations.
TKZ85Z-00-000 Side view
TKZ85Z-00-000 Top view
TKZ85Z-00-000 Sectional view
Low oil Level Inclination Angle-Front Up
45 °
Low oil Level Inclination Angle-Back Up
45 °
Low oil Level Inclination Angle-Fuel Pump Side Up
45 °
Low oil Level Inclination Angle-Exhaust Side Up
45 °
Oil Sump Capacity-Upper Limit
14.2 L
Oil Sump Capacity-Lower Limit
12.4 L
Capacity of The Whole System
16.4 L
Scopes of Supply
General Identification reference
- Bogie Name: Standard‑Gauge Bogie
- Drawing No.: QCZ85‑00‑000
Track Interface System gauge
- Track Gauge: 1435 mm (Standard Gauge)
- Minimum Curve Radius: 145 m
Running Gear System wheels & axles
- Wheel Diameter: 840 mm
- Center‑plate Free Height: 710 mm
Performance Parameters performance
- Maximum Running Speed: 80 km/h
Maximum Intake Manifold Temperature-Second Level
55 ℃
Maximum Intake Manifold Temperature-Three-Level
50 ℃
Intercooler Cooling Temperature-Second Level
25 ℃
Intercooler Cooling Temperature-Three-Level
20 ℃
Maximum Allowable Pressure Difference Before and After Intercooling-Three-Level
16.7 (125) kPa(mmHg)
Minimum Inlet Pipe Diameter Allowed-Three-Level
75 mm
Other Models
QCZ85-00-000Railmac 1435mm Gauge Bogie
1435mm
Axle load
21t
Free and high heart disk
710mm
Minimum curve radius
145m
Minimum curve radius
145m
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01. What's the Standard Scopes of Supply?
With full ranges of emission standard from Euro 2 to Euro 7, Dongfeng Cummins producing 12 series automotive engines, started from 3.9 liter engine, to 15 liter engine, covering the power range of 125HP to 650HP.
Dongfeng Cummins automotive engine customize developing configurations for big vehicle OEMs in China, based on each of requirement, Dongfeng Cummins producing dozens of different configuration engines with same engine model number, which only SO-Shop Order will be different with each other, the SO number is the identify number of the engine configuration of each model.
Even with same engine model, different SO number engine can have very different configuration with each other, with different prices. Some of SO-Shop Order is not available for commercial market, such as restricted models (Usually for military specifications).
EMAC offering most common, cost effective models which also able to process the production in Dongfeng Cummins, which usually have following accessories as standard configuration.
Power OutPut
180 HP(132kW)
Max Torque
610 Nm
Displacement
5.9L
6 Inline
5.9L
Fuel System
Bosch Mechancial Pump
Emission Standard
Euro II
02. What's the Available Optional Items?
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03. What's the Modifiable Items and Scopes?
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04. Engine Parts & Recommended Wear and Tear Parts
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Chief Engineer
Mr. Kim Lee
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