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Weight capacity of underbody spare tire hoist/carrier

s10dragracer888
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s10dragracer888 Enthusiast

s10dragracer888

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Hey guys.

 

i plan on doing a bit of overlanding this summer and fall in my 2024 5.3 crew cab during my camping trips in the Shenandoahs out here in Virginia. I’m getting a matching set of five 275/70R18 tires (stock size for a ZR2). Either Mickey Thompson Baja Boss A/T’s, or Falken Wildpeak AT4Ws. The closest tire shop will be miles away; and and I’d need to make it some distance in case of a puncture. I have two questions, the first of which is most important:

 

1.) with a stock aluminum rim, 18” x 8.5”, will the spare carrier need to be assisted with a y-strap, or would it be alright to hang it up and forget it? Picture of the rim will be posted below.

 

IMG_1866.thumb.jpeg.aac193a4550d0868e11dd0ba58e0f063.jpeg

 

2.) Will this tire/wheel combo fit under the truck without any issues?

 

I'm not doing any high speed driving, except on the highway, and I won’t be doing any Baja or stump jumping with it. At most, the trails will be a little sketchy and I’ll be taking it slow.

asilverblazer Senior Enthusiast

asilverblazer

Posted
Posted

Probably won't help your specific question, but on my truck the factory one was gone (I bet I know why), so I put on a replacement. The internal clutch couldn't lift the tire without slipping. A second one the cable snapped and left my spare on the road.

I ended up fabbing one out of boat trailer winch and loop a length of chain around the frame and through the wheel for safety. 

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Luckyfd1 Enthusiast

Luckyfd1

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Posted (edited)

I have a 35x12.5x18 in my stock spare spot, fits perfect. 
 

sorry I didn’t notice the wheel hub is solid? If it’s not it will fit. 

Edited by Luckyfd1
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s10dragracer888 Enthusiast

s10dragracer888

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On 2/3/2026 at 10:07 PM, Luckyfd1 said:

I have a 35x12.5x18 in my stock spare spot, fits perfect. 
 

sorry I didn’t notice the wheel hub is solid? If it’s not it will fit. 

It’s just the removable center cap. It’s an OE replica.

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