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A {{pll|Rail Vehicle Types|vehicle's}} mechanical {{pll|Powertrains Overview|powertrain}} subsystem consists of non-electrical components, such as {{pll|Internal Combustion Engine|diesel engines}}, {{pll|Steam Overview|steam engines}}, {{pll|Mechanical Transmission|mechanical}} and {{pll|Hydraulic Transmission|hydraulic}} transmissions.
Mechanical powertrain refers to mechanical systems that set a vehicle in motion. This includes internal combustion engines, transmission systems, steam boilers and so on. Mechanical powertrain damage may occur as a result of collisions, but also due to improper operation of a vehicle. Lack of lubrication, or most commonly, transmission oil overheating may cause severe damage, and even catastrophic failure, immobilizing the vehicle and potentially causing body damage too.


Every time a diesel engine is started, its health is slightly reduced. Just by running, the engine is receiving slight damage too. This is normal and expected, due to wear and tear of the moving parts. It is generally less economical to frequently turn the engine on and off, than to keep it idling for short periods of time.
{{pll|Damage Overview|Damage}} to such a powertrain subsystem can occur from collisions, but it is much more severe when caused by running {{pll|Powertrain Overheating|powertrains at too high of a temperature}}, bad {{pll|Mechanical Transmission|gear shifting}}, inadequate lubrication in {{pll|Internal Combustion Engine|diesel}} and {{pll|Lubrication Overview|steam}} engines, and other mistreatments. Exposure to {{pll|Flammable|fire}}, or submersion in water, can also damage this subsystem.


Diesel engines also get wear and tear based on the RPM they’re running at. Transmission components get worn based on how much stress is put on them. While the damage cannot be avoided altogether, by operating the machines gently it can be reduced to a minimum.
High mechanical powertrain damage can be catastrophic, potentially fully immobilizing the vehicle.


{{See also|Servicing|Body Damage|Electrical Powertrain Damage|Wheels & Brakes Damage|Hydraulic Transmission|Cars & Cargo Damage|Mechanical Transmission|Steam}}
Small amounts of mechanical powertrain damage are also accumulated from normal operation of engines and transmissions, which falls under regular wear and tear. The higher the engine RPM and the stress on the transmission, the more damage is inflicted. While this damage cannot be avoided, by operating the machines {{pll|Driving Efficiency|efficiently}} it can be reduced to a minimum.
[[Category:Servicing]]
 
Damaged mechanical powertrains can be {{pll|Servicing Overview|serviced}}.
 
[[Category:Servicing|5]]

Latest revision as of 23:24, 3 April 2025

A vehicle's mechanical powertrain subsystem consists of non-electrical components, such as diesel engines , steam engines , mechanical and hydraulic transmissions.

Damage to such a powertrain subsystem can occur from collisions, but it is much more severe when caused by running powertrains at too high of a temperature , bad gear shifting , inadequate lubrication in diesel and steam engines, and other mistreatments. Exposure to fire , or submersion in water, can also damage this subsystem.

High mechanical powertrain damage can be catastrophic, potentially fully immobilizing the vehicle.

Small amounts of mechanical powertrain damage are also accumulated from normal operation of engines and transmissions, which falls under regular wear and tear. The higher the engine RPM and the stress on the transmission, the more damage is inflicted. While this damage cannot be avoided, by operating the machines efficiently it can be reduced to a minimum.

Damaged mechanical powertrains can be serviced .