TKZ85Z-00-000
Railmac 1067mm Gauge Bogie
Track gauge
1067 mm
Axle load
21 t
Wheel diameter
840 mm
Center plate free height
710 mm
Minimum curve radius
≥145 m
Products and performance
The TKZ85Z‑00‑000 is a cast steel three‑piece bogie for 1067mm 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 delivers excellent load capacity and impact resistance for demanding freight operations. Its robust construction, high parts interchangeability and easy maintenance ensure reliable performance and reduced downtime. Trusted by freight operators worldwide, this bogie offers a cost‑effective solution for narrow‑gauge railway transport.
Specifications
TKZ85Z-00-000 General Information
The bogie tare weight is 3.8t, optimized structural weight for 60‑ton narrow‑gauge freight service.
Axle load reaches 21.5t, well‑suited for heavy‑duty narrow‑gauge freight working conditions.
It adopts a gauge of 1067mm, perfectly matching 1067mm narrow‑gauge track infrastructure.
Fixed wheelbase is 1750mm, balancing running stability and curve negotiation performance.
The maximum operating speed can reach 80km/h, supporting high‑efficiency freight transportation.
It can pass a minimum curve radius of 145m, reliable performance on curved narrow‑gauge lines.
In summary: This TKZ85Z‑00‑000 60‑ton narrow‑gauge bogie has 3.8t tare weight, 21.5t axle load, 1067mm track gauge, 1750 mm fixed wheelbase, 80 km/h maximum running speed and 145 m minimum negotiable curve radius. Designed for heavy‑haul narrow‑gauge freight wagons, it provides stable and dependable operation performance.
TKZ85Z-00-000 Installation Data
The bogie tare weight is 3.8 t.
The axle load is 21.5 t.
The gauge measures 1067 mm.
The fixed wheelbase is 1750 mm.
The maximum running speed reaches 80 km/h.
The minimum negotiable curve radius is 145 m.
Engine Performance Data Rated power of TKZ85Z-00-000
Bogie tare weight – 3.8 t. Represents the un‑loaded self‑weight of the narrow‑gauge bogie for freight wagon configuration calculation.
Axle load – 21.5 t per axle. Defines the bogie's static and dynamic loading capacity for heavy‑duty narrow‑gauge freight service.
Track gauge – 1067 mm. Cape‑gauge standard width, enabling operation on 1067 mm narrow‑gauge railway lines.
Fixed wheelbase – 1750 mm. Optimizes running stability and curve‑negotiating performance for heavy‑haul freight application.
Maximum running speed – 80 km/h. Realizes efficient freight transport operations on 1067 mm narrow‑gauge rail lines.
Minimum negotiable curve radius – 145 m. Capable of negotiating curved track sections for versatile narrow‑gauge route adaptability.
In summary: This 60‑ton narrow‑gauge bogie (TKZ85Z‑00‑000) is designed for 1067 mm Cape‑gauge track, rated at 21.5 t axle load with 3.8 t tare weight. It adopts 1750 mm fixed wheelbase, supports maximum running speed of 80 km/h and 145 m minimum negotiable curve radius. Robust structural design delivers stable and reliable performance for heavy‑haul narrow‑gauge freight wagon operations.
TKZ85Z-00-000 Side view
TKZ85Z-00-000 Sectional view
TKZ85Z-00-000 Top 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: 60‑Ton Narrow‑Gauge Bogie
- Drawing No.: TKZ85Z‑00‑000
Track Interface System gauge
- Track Gauge: 1067 mm (Cape Gauge)
- Fixed Wheelbase: 1750 mm
- Minimum Curve Radius: 145 m
Running Gear System wheels & axles
- Bogie Tare Weight: 3.8 t
- Axle Load: 21.5 t
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
TKZZ01-00-000Railmac 1067mm Gauge Bogie
1067mm
Axle load
15t
Free and high heart disk
710mm
Minimum curve radius
145m
Minimum curve radius
145m
TKZ85Z-00-000Railmac 1067mm Gauge Bogie
1067mm
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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