# New jacking system explained

**URL:** https://discourse.cataclysmdda.org/t/new-jacking-system-explained/11818
**Category:** The Bunker
**Created:** [May 4, 2016, 8:41pm UTC](https://discourse.cataclysmdda.org/t/new-jacking-system-explained/11818 "2016-05-04T20:41:56Z")
**Posts on this page:** 6
**Page:** 1

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### Author: ![jcd](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/jcd/32/338_2.png) [@jcd](https://discourse.cataclysmdda.org/u/jcd)
#### Post date: [May 4, 2016, 8:41pm UTC](https://discourse.cataclysmdda.org/t/new-jacking-system-explained/11818/1 "2016-05-04T20:41:56Z")

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I became fed up with not enough info being available on what jack lifts what so i delved into the jsons to get that info.

In short, to lift anything you either need the required strength, or something with jacking quality. I did not delve into the lifting formula, but thats not the important thing here. What is is important is what jack can lift what part:

Solution: Just assume that Jacking quality of 1 equals lifting of 500kg, and do the math for all the jacks following.

Jacks in Item format:

```auto
{
    "id": "jack_makeshift",
    "name": "makeshift jack",
    "description": "A poorly constructed improvised scissor jack rated to lift 500kg if you're brave enough to use it.",
    "qualities": [["JACK", 1] ]
  },
```

` {
    "id": "jack_small",
    "name": "scissor jack",
    "description": "A small scissor jack rated to lift one metric tonne.",
    "qualities": [["JACK", 2] ]
  },
`

` {
    "id": "jack",
    "name": "bottle jack",
    "description": "A portable hydraulic bottle jack rated to lift 3 metric tonnes.",
    "qualities": [["JACK", 6] ]
`

Jacks in vehicle part format:

` {
    "name": "boom crane",
    "item": "cantilever_medium",
    "qualities": [[ "LIFT", 4], ["JACK", 12] ],
  }
`

```auto
  {
    "name": "telescopic crane",
    "item": "cantilever_small",
    "qualities": [[ "LIFT", 1], ["JACK", 3] ],
  }
```

Afaik, vehicles cap at 6000kg when determining if they can be lifted, so the boom jack suffices for all vehicles.

Hope it helps.

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### Author: ![TheFlame52](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/theflame52/32/247_2.png) [@TheFlame52](https://discourse.cataclysmdda.org/u/TheFlame52)
#### Post date: [May 4, 2016, 8:58pm UTC](https://discourse.cataclysmdda.org/t/new-jacking-system-explained/11818/2 "2016-05-04T20:58:34Z")

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thanks

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### Author: ![deoxy](https://avatars.discourse-cdn.com/v4/letter/d/7feea3/32.png) [@deoxy](https://discourse.cataclysmdda.org/u/deoxy)
#### Post date: [May 4, 2016, 9:27pm UTC](https://discourse.cataclysmdda.org/t/new-jacking-system-explained/11818/3 "2016-05-04T21:27:40Z")

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VERY VERY helpful, thank you!

Any idea on what the “LIFT” quality is for?

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### Author: ![jcd](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/jcd/32/338_2.png) [@jcd](https://discourse.cataclysmdda.org/u/jcd)
#### Post date: [May 4, 2016, 9:47pm UTC](https://discourse.cataclysmdda.org/t/new-jacking-system-explained/11818/4 "2016-05-04T21:47:55Z")

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LIFT quality should “allow installing heavier parts without lifting equipment”.  
This means everything other than wheels.  
The weight/quality should be the same (500kg per level)

EDIT  
This ain’t clear enough.  
What i mean is that for every veh. part installation, we need to lift the part. If its too heavy, we need LIFT quality.  
If we also need to change a wheel, we have to lift the vehicle too. This is where JACK quality comes in.  
As i said above, quality levels translate to 500kg per level for both types.

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### Author: ![DooMJake](https://avatars.discourse-cdn.com/v4/letter/d/b4bc9f/32.png) [@DooMJake](https://discourse.cataclysmdda.org/u/DooMJake)
#### Post date: [May 7, 2016, 8:38am UTC](https://discourse.cataclysmdda.org/t/new-jacking-system-explained/11818/5 "2016-05-07T08:38:09Z")

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Thanks! I was missing the description on the vehicle parts.

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### Author: ![ArcanErasmus](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/arcanerasmus/32/1152_2.png) [@ArcanErasmus](https://discourse.cataclysmdda.org/u/ArcanErasmus)
#### Post date: [May 15, 2016, 3:04am UTC](https://discourse.cataclysmdda.org/t/new-jacking-system-explained/11818/6 "2016-05-15T03:04:57Z")

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Sorry, this isn’t 100% thread-relevant, but what is this “The Excavator” vehicle. Why does it have a single-tile “boom crane” on the front? Why is it so tiny? Why does it have no alternator? Why is it the vehicle of choice on a farm? I looked up wheeled excavators on google, but I can’t seem to find anything that really resembles this. I could understand it being a generic interpretation of such a vehicle, limited by game mechanics, and then also altered a bit for more usability, but it still doesn’t seem to fit.