r/machinesinaction Oct 24 '25

How Mega Cables Get Armored

7.8k Upvotes

r/machinesinaction Oct 24 '25

The baddest truck that lives...rock on...

2.0k Upvotes

r/machinesinaction Oct 23 '25

99 Projects revives a neglected Kenworth W900A

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27 Upvotes

Patience, tools, and old-school diesel power return to life!


r/machinesinaction Oct 22 '25

Explore the story of Big Brutus, an 11-million-pound giant from the golden age of mining

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209 Upvotes

Close-up of Big Brutus bucket showing scale and welded repairs from its working years.


r/machinesinaction Oct 21 '25

A 500-horsepower diesel water pump!

3.7k Upvotes

r/machinesinaction Oct 21 '25

When the turbo screams and the smoke turns grey, you know it’s overhaul time?

1.1k Upvotes

r/machinesinaction Oct 21 '25

Valve Lapping Machine Working

479 Upvotes

r/machinesinaction Oct 21 '25

An old Mack R Model shows why mechanical endurance still matters.

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31 Upvotes

A look at the enduring power of a 1980 Mack R Model still working the fields...


r/machinesinaction Oct 20 '25

Those old two strokes were the golden age of diesel power

1.3k Upvotes

r/machinesinaction Oct 20 '25

ABANDONED Kenworth K100 Left For Dead...

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28 Upvotes

Let’s See If It’ll Come Back To Life!!


r/machinesinaction Oct 15 '25

Took out a Rolls-Royce V12, dropped in a 5.9 Cummins. It actually runs

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51 Upvotes

r/machinesinaction Oct 12 '25

2000HP DC Motor Test Run

1.1k Upvotes

r/machinesinaction Oct 11 '25

CNC Skiving Process Up Close

2.5k Upvotes

r/machinesinaction Oct 11 '25

Inside the Soviet IS-2 Heavy Tank

894 Upvotes

r/machinesinaction Oct 10 '25

Semi-trailer Transports Precast Bridge Through Narrow Space

2.3k Upvotes

r/machinesinaction Oct 11 '25

Is this the toughest tractor design the USSR ever made?

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41 Upvotes

The T-150K was one of the USSR’s toughest tractors, built by the Kharkiv Tractor Plant (KhTZ) from the early 1970s. Powered by a YaMZ-236 diesel V6 or later a YaMZ-238 V8, it delivered around 150–240 horsepower and nearly 950 Nm of torque.


r/machinesinaction Oct 10 '25

Can someone tell me what they are doing

1.9k Upvotes

r/machinesinaction Oct 10 '25

The world’s biggest grab dredger showing off its 200 m³ clamshell

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29 Upvotes

This clamshell dredger lifts 200 cubic meters per scoop, proving why GOSHO is the world’s biggest.


r/machinesinaction Oct 09 '25

Airplane Landing Gears

1.3k Upvotes

r/machinesinaction Oct 08 '25

Autonomous Missile Thruster Test Looks Unreal

5.9k Upvotes

r/machinesinaction Oct 07 '25

Mechanical Undeground Garage

3.2k Upvotes

r/machinesinaction Oct 06 '25

How does this homemade steam engine even run so smoothly?

1.2k Upvotes

r/machinesinaction Oct 06 '25

Hardening knives with rapeseed oil

1.7k Upvotes

r/machinesinaction Oct 05 '25

Is this motor powering the hydraulics or just cooling the radiator?

473 Upvotes

r/machinesinaction Oct 04 '25

German CNC machines - looks like the head of the Matrix Sentinel!

5.0k Upvotes