tm 260 on a barcrusher

 Im fitting out my mates 620 barcrusher with his new furuno that will be running a TM260. Im stuck on the transducer angle due to the transom being vertical.

Im running the same tranny on my trailcraft and was going to set it up like mine  using 1 wedge that has the trailing edge slightly lower and l get a great reading at speed. The difference between the boats is the transon on the trailcraft is slight forward of vertical so l dont need alot of wedge angle.

Now with the Barcrusher and the vertical transom lve used the 3 wedges and l still cant get the trailing edge lower. Best l can come up is flat with the transom using  2 wedges and a 10mm packer in at the top. For me to get what l want l still need to pack it out at top another 5 mm. 

Can you get shims for these trannys that give a better angle or is it a case of packing it out like lm doing.

Is anyone running the same tranny and how did you over come this. If your got pics even better l would love to see them.

Heres some pics of what lve had to do. Tranny is only mounted loosely atm until l can come up with a solution

I hope it all makes sense. Ha

Cheers Paul

Image Upload: 

Scotte's picture

Posts: 1082

Date Joined: 07/12/06

 Can you make a wedge out of

Sat, 2016-02-13 17:40

 Can you make a wedge out of seaboard or ali?

Posts: 771

Date Joined: 09/10/06

 Yeah mate l will probably be

Sat, 2016-02-13 17:50

 Yeah mate l will probably be going down that path if there isnt a easier solution. 

fishcrazy's picture

Posts: 1236

Date Joined: 27/01/07

3rd shim

Sat, 2016-02-13 17:56

 I just fitted mine  there should be a third shim with it .

Posts: 771

Date Joined: 09/10/06

 Yeah 3 shims came with it.

Sat, 2016-02-13 19:32

 Yeah 3 shims came with it. didnt even get it level. Did some more work on it since and it looks like l need a shim 30mm at top and 5mm at bottom. Found some starboard in the shed and will linish it down to make a shim. 

Posts: 1186

Date Joined: 10/06/09

 You can get  construction

Sat, 2016-02-13 19:57

 You can get  construction wedges 

I have a box of makita wedges your welcome to a few if that helps 


getting the bottom line final answer from a bunch of blokes that use false names and put smiley faces at the end of paragraphs is not the best place in the world to get the information you seek.

Posts: 771

Date Joined: 09/10/06

 Thank supervisor come to

Sat, 2016-02-13 20:22

 Thank supervisor come to think of it lve got some of those in different sizes. Just have to dig though the shed. Cheers mate

opsrey's picture

Posts: 1199

Date Joined: 05/10/07

Drill some new holes in the holding bracket.

Sat, 2016-02-13 20:52

 how about drilling some new holes in the holding bracket. The top holes could,be red rolled twenty mm forward of present position and that would tilt the transducer down.

Go the wedge. New holes means fewer wedges. Plenty of stainless in that region.

Posts: 143

Date Joined: 23/09/14

 G'day Holth, I have spare

Sun, 2016-02-14 04:16

 G'day Holth, I have spare shims unused from my tm260 if you require more. 


Regards Mitch 

Posts: 771

Date Joined: 09/10/06

 Thanks for the offer mitch.

Sun, 2016-02-14 07:55

 Thanks for the offer mitch. Yeah lve got spare shims from my tranny. Not keen on having 5 shims in there. Makes the bracket mount to far off the transom and l will need bolts atleast 70 mm long. Would rather have it closer. So it looks like l need to make my own shim. 

They should supply different angled shims in packaging instead of 3 all the same.



Posts: 185

Date Joined: 01/10/14

I wish I knew how to post a

Mon, 2016-02-15 13:31

I wish I knew how to post a photo on one of these responses. I have two transducers on the back of my 780 but the difference being where you have the pins going through I have slots and bolts. With two bolts on either side it allows the transducer to be locked in position at the angle needed and never a problem.

telferfish's picture

Posts: 125

Date Joined: 31/05/12

 mate have a TM 260 on my

Mon, 2016-02-15 14:09

 mate have a TM 260 on my barcrusher, i borrowed another shim off a mate, and 4 in total worked good, sounds well at 35kts

Posts: 185

Date Joined: 01/10/14

At 35kts? Good luck.

Mon, 2016-02-15 16:44

At 35kts? Good luck.

Posts: 771

Date Joined: 09/10/06

 Ive made a shim and will

Mon, 2016-02-15 21:06

 Ive made a shim and will give it a try. If that doesnt give me what lm after l will use my spare shims and whack in 4 and try it.

Thanks for the info guys.

Posts: 771

Date Joined: 09/10/06

 Just an update for anyone

Sun, 2016-02-21 20:39

 Just an update for anyone with a barcrusher looking to fit a TM260. 

Telferfish was on the money. 4 shims is the go. l got a perfect reading at WOT 35knts +. Not a trace of interference or loss of bottom. 

I was quite dumbfounded at the performance. 


BarraSlayer's picture

Posts: 287

Date Joined: 14/04/14

 Looking at fitting one, can

Fri, 2016-04-15 19:47

 Looking at fitting one, can you buy an extra shim with them?



striker's picture

Posts: 195

Date Joined: 26/09/14


Fri, 2016-04-15 20:17

up at Exmouth at the mo mate but  maybe pm Mitch 88 as he offered holth some of the spares he had. It was my boat he sorted out and after coming back from Ningaloo I can only say he did a top job reads a treat at speed and out in the deep drop realms as well.


 Anybody can learn anything;Some of us just need more time than others do!