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i have noticed that line trucks use syntyetic for the hoist in case of hot wire contract. the drums seem to be bigger, the sheave at the end of the boon is larger as well as a snatch block used to make two part, at the end of the boom is two plates flared out to guide the rope on the sheave...

a interesting read is chapter 3 in FM 20-22" VEHICILE RECOVERY OPERATION" this covers this. unless you are just going to roll the truck (in that case your not stuck) you will be working the cable well over the WL , thats why , part of the BII is a SNATCH BLOCK

still 4 or 5 to 1, its still line pull, no matter if you are lifting something 1' off the ground or pulling out a struck truck

if you get somebodys used cable, you dont know the cable, when you uas your cable, you know if or when and how it was used, if it was abused ONE time going around sharp objects, cut, stretched, kinked, overloaded, ect. in some cases being abused bad enough (like broke wires) ONE time calls for...

NEVER USE USED CABLE except in an emergency, you dont know what your getting with used, EVERY TIME it goes over a sheve it wares, a new cable is just a bit oversize, as it wares the size goes down, anything BELOW the stated size is WORN out. the constant bending will ware the cable out with or...

remember BREAKING weight is 1/4 to 1/5 of the SAFE WORKING LOAD also known as WL(working load) or WLL(working load limit), LL(load limit), also a fiber core will have a tighter mim. bend then a steel core. a fiber core will have more crush and stretch under load then a steel core. a fiber core...

you can use steel core, but need to cut the core just like the fiber