Bombi Muskeg Carrier front diff and susp

CASNOW40 · Jan 31, 2013

Hi all, I have a muskeg carrier that was a previous drill rig. I am wanting to repair and fix it up to working order. I took the cab off and just got the tracks off which will need to be replaced. I need help identifying the year and possibly any info I can. I am about to take the front diff top cover off and check the carnage!

I would also like to have a service and repair manual or copys of one for the fix. I am mechanically inclined and just need some experts advice please.
Thanks to all!

muleman · Jan 31, 2013

Your pics are all thumbnails. Folks won't be able to help much without full size pics.

MNoutdoors RIP · Jan 31, 2013

Looks like the tag may be gone but if you had the serial numbers the fourth and fifth digit is the year. Also on the front of the machine on the bumper on the flat
Right infront of the track left side standing infront the serial should be stamped may be under many coats of paint though about 1/2" letters

If you need any parts for it we stock most www.mn-outdoors.com

CASNOW40 · Jan 31, 2013

this work?

CASNOW40 · Jan 31, 2013

this should work

CASNOW40 · Jan 31, 2013

Any help on the info for the wheels being different, some have a bolt together wheel and some dont. and info on taking the sprockets off for repairs.
Thanks all

CASNOW40 · Jan 31, 2013

im not too worried about the diff. I think with some good solid cleaning it would look real nice! All of the rusty stuff is just a kind of silt almost. it just wipes right off! Any objections to this?

muleman · Jan 31, 2013

That is much better. Folks can see what you have now. There are a bunch of Bombi people here.

CASNOW40 · Jan 31, 2013

Awesome... Might need all the help I can get.. Any thoughts so far?

MNoutdoors RIP · Jan 31, 2013

Well, you would want to put the solid wheels at the back if they are not there now Because a flat there is is not good.

It would be good to put any more solids you have right behind the sprockets
They take a lot of the abuse. Air tires In between are fine or get them filled
With tire fill.

Your diff has some wear on the internal pinions they may make some noise but will work, as long as all the others gears have all there teeth.

To remove the front sprocket hubs you need to pull the tracks off but not the outer rail just take the four bolts on the outer half moon plate out rotate it up and it will clear the rail. Behind the round end plate with six bolts it the end of the axle pull this out. There may be round disc with a nut and two holes this is attached to the axle by a pull rod this will all come out you may have to wiggle it
And remove a snap or round wire keeper before hand

CASNOW40 · Jan 31, 2013

Awesome... I will do this hopefully tonight.

CASNOW40 · Feb 7, 2013

I cant find any info on the muskeg for a serial number or makers tag. Do you know the approximate year maybe? Also a buddy of mine has an older muskeg from the mid 60s and his engine is rear-facing. Why did they change this? and also should I reverse mine or leave it the way it is? My plans are to use either a 6 cyl perkins diesel or a sbc 350 tbi any thoughts?. I also need the specs on the tracks for it so i can get the belts. length width holes. and suppliers for the belts that i need. Most of my grousers are ok but many will need to be replaced.. i have another set tracks i can use..
thanks all

pixie · Feb 7, 2013

Bombardier made both a Carrier like you have and a center engine Tractor. Personally I prefer the Tractor stye because it's easier to get to the diff but you lose deck space on the rear, hence the name Carrier for the front engine model. Weather you change it, depends on your intended use.
Here's a link to the Carrier and if you navigate around that site, you'll find the Tractor.
http://www.safetyoneinc.com/specsheets/bombi.muskplus.1.html

mn-outdoors.com has the parts you need. Thier banner is sometimes at the top of the page.
We love pictures ! Would love to see and hear how you're doing with the project. There are several rebuilds of Muskegs on this site if you use the search.

Snowtrac Nome · Feb 7, 2013

Pixie you forgot the jimmy skidder front mounted engine with center mounted operators station,winch in the rear and a blade in the front. powered by a 3 -53 detroit diesel

pixie · Feb 7, 2013

You're right, Don.... I never remember that one because it's fairly rare.
Seen a 4-53 in them, too...

Snowtrac Nome · Feb 7, 2013

there's one not far from here i should try to aquire just because it's rare.

CASNOW40 · Feb 8, 2013

I have some more pics of the parts machines and the parts,(drive sprockets, boggies,etc..) This appears to be a 5 man cab i think? is it a muskeg? Also, I am sealing up my diff and have a buddy with one that said to run a mineral gear oil in the diff because it wont mix with water if it gets in there and will work as a gear oil also. Any thoughts??
The first pics are of the spare drive sprockets. Do you guys think these are usable?

CASNOW40 · Feb 8, 2013

These are the tracks, theyve been patched together and then some.

CASNOW40 · Feb 8, 2013

Here is some more of the big cab. On top are the side rails for the spare machine..

CASNOW40 · Feb 8, 2013

Why does my track have the grousers straight across on the belts all the way and on the classifieds forum theres a set of tracks off a muskeg that are staggered?? thanks

pixie · Feb 8, 2013

The staggered tracks are older. You can use them by matching the sprockets to them.
Those sprockets look very good.
All the cabs in your pictures are Muskeg cabs.

What are you going to do with the machine ?

Nathan R · Feb 8, 2013

Let me know if you don't use that cab, I am in need of some parts and it looks like a match to my skidozer cab.

CASNOW40 · Feb 8, 2013

ok, that would make sense, i'm glad to hear that the sprockets look good, they had a couple chips and cuts but didn't look real major to me.. I think i'm just going to bite the bullet and get belts for mine.. Its going to be the best in the long run. Mine's going to be designed into a rig for off-road recovery. I have 2 buddys with them for the same use. I would either like to put the yellow 5 man cab on mine or I have a "cherry" 87 chevy crew cab body to adapt on it. The measurements appear to be perfect so we'll see. :brows:

I am debating on what to use for a power plant. Have access to a TBI 350 chevy or maybe a much more expensive 4bt cummins. I'd rather just go with a 350 due to parts being cheap!

CASNOW40 · Feb 8, 2013

Any opinions on the mineral gear oil?

CASNOW40 · Feb 12, 2013

Ive been up working late! And discovering more damage :sad:

.. Any ideas?
The shaft doesnt appear to be junk but what do I have to do about this?
Thanks, I know im kind of being a pain guys.

CASNOW40 · Feb 12, 2013

So I have done what boggie said and removed the four bolts then tried to pull the axle out over the rail and it doesnt want to budge.. ?

J5 Bombardier · Feb 13, 2013

Welcome to muskeg suspension, where lack of grease can cause heartache down the road.You might get some ideas from the thread "Bombardier Muskeg Hull Rebuild". Either way the rails should come off,bolts removed from each end and torch(heat) ,porta power the rail off the axle ends. Hard to tell if the axle is twisted off from pics,but same thing, the beams tubes may have to be zip cut with a grinder to open the tubes to get them off. I had to zip cut the under side of the hull to open up the tube to get my damaged axle out. The funny thing if there is any concerning this job is my replacement axle came from an early muskeg hull and it slid right out with a few taps, somebody took care of it. I would just make a new replacement axle if i was to do it again. Keep the pics coming
J5 Bombardier

CASNOW40 · Feb 15, 2013

I would really like a type of service and repair manual to explain what all is there exactly.. Or do i just remove the bolts off of the rail then pull the rail off? Is this what you are saying I need to porta power off?

CASNOW40 · Feb 15, 2013

J5 do you have any additional pics of your axle process?? That would be great to see!

pixie · Feb 15, 2013

If it was me... I'd undo the 6 bolts at the end and pull the drive shaft out. Then the rest of the assembly might come apart better.
I have a similar Muskeg that I got for parts and I can't get one of the beam tubes apart ( side rail won't come off)....I've tried all kinds of wedges and sledges....but not a porta-power. I haven't tried to get the sprocket axle apart.

I don't believe there is a service manual.... just an exploded view ( love them :smile:

) in the parts book.

Bombi Muskeg Carrier front diff and susp

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