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Compass Marine How To | all galleries >> Welcome To MarineHowTo.com >> Making Your Own Battery Cables > Harbor Freight Hydraulic Crimp Tool
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Harbor Freight Hydraulic Crimp Tool

Okay, okay I will finally publish my experience with my Harbor Freight hydraulic crimp tool.


I can sum it up in two words, VERY POOR..... Read on if you want the why behind my review.... (wink)


Please let's not misconstrue my review above. It is NOT to say the Chinese can't do things right, they certainly can, and they do every day, but when you send stuff out to the lowest, bottom feeder bidders, you often get what you pay for, as is the case here.


This tool was $59.99 and worth about what the corrugated box cost to ship it in. Go figure..


Lets get something out in the open, I LOVE Harbor Freight Tools, for CERTAIN things. I am not dissing all their products in any way... I recently bought boxes of nitrile gloves for a 1/3 of what I can buy them for at my local hardware store, and they were the same exact brand. I like their wrench sets because I lose lots of wrenches and consider them disposable. HFT is good for MANY things and they truly serve a purpose. You can't take that away from them. This tool however is not one of their better products. Why?


#1 The "AWG" dies are apparently from some mythical made up Chinese back room wiring standard I've never heard of...?. They are NOT AWG sized dies. I repeat, they are NOT AWG sized dies, despite being labeled as such! They are so bad, and so mislabeled, I suspect some poor soul in a dirty dark room, with no internet connection, actually made it up after complaints from US customers that the dies were not AWG sized?


#2 Apparently, with the earlier models of this tool, they were originally labeled in the MCM standard and now they are magically AWG yet the same sizes as the were before? Hmmmm..? I can picture the meeting at HFT tools now; "Oh yeah we can fix that, lets just re-label the MCM dies in AWG.". Sorry HFT, it doesn't work like that...


#3 Even when you do find a die that works okay they tend to fall out of the tool and into the bilge. My tool/dies are mildly magnetic but no where near enough to prevent the dies from falling out and getting lost..


#4 The dies are HORRIBLY machined, even if machined to a mythical made up wire standard...


#5 Can someone please tell HFT there is no 7 AWG wire in the US....

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Crash 05-May-2016 05:04
If you call HFT thee know about the issue and sell a proper 0 AWG atleast according to them. They also sell a larger set of dies which I purchased in case I want to modify any die for a specific need.
Guest 08-Jan-2016 18:38
HFT has the dies mislabeled. but in general it works (if it does not leak oil). Might want to check on amazon, there are a slew of very inexpensive hydraulic crimpers with what appears to be the right die sizes. No sure why some of them are $2k+ but I would expect them to apply a certified pressure and release at that pressure.

The largest die that comes with the HFT has a square "footage" of about 47 mm2 which is between aug 1/0 and 1 not accounting for the lug thickness. Thus making me believe it was mislabeled by someone to either use very thin lugs or they just looked up the AWG.
shnitz30-Jan-2015 05:43
Sorry i don't know whats wrong with this ??
Pictures dont work on here ???
Anyways this tool works fine like i said, just need the right dies..
shnitz30-Jan-2015 05:29
ou had the wrong dies...
I rewired my whole boat with that tool, decided to try it out first, i was so impressed i just carried on, worked awsome for 1,2,4,6 & 8 awg, all wire stranded marine tinned with proper battery terminals & marine lugs..
The pressure points are very wide and only 1 crimp is needed on the lugs, 2 for the Batt. terminals...

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Guest 05-Apr-2014 14:09
I took the 7 awg die and with a solid carbide drill bit and drilled it out to a larger size.You have to use a solid carbide bit because the die is hardened steel.
Guest 05-Apr-2014 14:07
I bought one and you are right,the die are to small so the biggest they will crimp is 6 awg.I've been trying to buy just the dies from sellers on ebay who sell these hydraulic crimpers with the right sized dies but to no avail,they want just as much for the dies as they do for buying the complete kit.