Just picked this truck up from Expedition Outfitters in Oklahoma, the cab has
been stretched 14 inches for more interior room and to make room for the comfy
seats. The bed was custom made with drop down back and sides that are
completely removable. I have some kinky French windows for the front glass that
pivots out at the bottom for added ventilation, like the old Volkswagen busses
(surfer style). Also the custom roll bar which isn't quite done yet. I have a
BIGGER winch for the front and a winch for the back I will be installing
soon. I really love the tires, aprox 39 inches high, cant wait to see em
chew up the mud...
The other Unimog ready for the road after a complete to the frame
Jason Frankel's Unimog
The two Mogs seem pretty happy together.
Mike Gives the Unimog with the newly rebuilt motor a run, we use it here at the
shop to run errands, the guys that work for me love to drive it because folks
always NOTICE them. (picking up women made easy)...
I was able to obtain a 24volt military winch from a guy that found it at auction,
we made a steel plate that bolts to the Unimog frame to mount the winch on. To
mount the winch here between the frame rails I had to remove the pintle hook and
cut out the pintle hook brace. But its nice to have a rear winch.
The BIGDOG mercedes winch for the front of the Unimog, I cant believe the size
of this monster. Look a that hook!
Mike Cobb's Unimog pulling a cool
The new SWISS MOG in town!
Owned by Stacy Horn.
New Unimog Turn
When my Unimog was stolen it was
left stuck in a mud pit with mud at hood level. After it was returned to me with
a blown motor my truck sat for months as we waited for the new motor and waited
for us to rebuild it. All that sitting took its toll on the electrical goodies
in the truck.
After getting it on the road, we
were only able to make the turn signals and emergency flashers work
intermittently. I spent hours cleaning contacts, filing the metal connections on
the fuseblock and light bulb connectors, finally I decided to tear out the
masses of wiring and rebuild the circuit a little simpler.
This is what I did.
trying to clean my original turn
signal switch made it come apart and I had a hard time getting it to stay
together again. So I bought some of the simple light up bat handle toggle
switches. Before, with the old switch, I was always leaving the turn signals on
by mistake, these bat handle switches light up in time to the turn signals so
with them flashing at me I am much less likely to leave the blinkers on like I
used to. I originally was going to use HEAVY DUTY switches or maybe
another real MOG turn signal switch, but playing with these cheapo light up
switches made me really like them for this application! Left switch up is
left turn, right switch up is right turn, both switches up is emergency
Excuse my poor graphics, but this
is the simple circuit I created instead of the masses of wiring that went to the
old turn signal switch and the old emergency flasher switch. I used the original
black flasher relay (pictured below) which I opened up and cleaned out.
I did not use the silver can
Much simpler than the original
design, and with the flashing of the switches I don't leave the signals on by
mistake anymore. I also chose a fuse for power that is switched off with the
key, so now I cant leave the turn signal on all day like I used to, I'm sure
some of you know what I'm talking about. ;-)
I will also be adding some dash
LEDs to the turn signal circuit, when I do I will post it here. I know the
switches I used were cheapos, I always hated those crappy switches, but they
really do work well for this case. Now, how long will the lights in the switches
work? They are 12 volt switches with 12 volt lights! I don't know, I
bought some extra switches, so far its been working about a month without a
12 Volt tap on a 24volt system
Lots of folks buy expensive
24volt to 12 volt converters to
power their 12 volt goodies in a 24volt truck. This is the simple way that I do
it without the converter.
Make sure your tap is on the
12volt positive (+) of the battery that grounds to the frame of the
vehicle. (make sure you tap the right battery!) I attached a 10 gauge wire
and ran it up front. Notice the FUSE in the black plastic fuse holder.
I installed a fancy 12 volt fuse
box, right now I only have a GPS powered by it but I have 4 fuses and will be
adding my CB and HAM radio soon.
MUST NOT USE YOUR BATTERY CUT OFF SWITCH, doing
so will blow the battery fuse on your 12 volt tap (good thing we put that fuse
I disabled my battery switch so this wont happen.
(I would rather have 12volts than a battery cuttoff anyway)
be fair, I must mention alot of folks don't like doing this, I have done it on
several unimogs and a 24v military Humvee without any problems. I only advise
running electronics that have a small current draw, no fog lights, no electric
winches and such. They might work but I'm not giving you any guarantees. The
small stuff I run works great and I have been doing this for years without any
problems at all, in fact these are the same batteries I put in my Unimog after I
first got it a few years ago and they are still fine. Some folks say one battery
will be overcharged by hooking up this way but since both batteries are charged
equally I really don't see how it could cause any problems, specially with such
small current draw and specially since I use the electronics only while the
truck is running.
I say BULL, it works great!
12 Volt lights on a 24volt system
Sometimes its hard to find 24volt
lights for an old army truck. In my Unimog I often use 2 12 volt lights wired in
series. 12 volt lights are cheap and easy to find.
Here are some Hella 500s,
since they draw a fair amount of amperage, I didn't want to use a 12 volt tap off
of one battery or use an expensive 24 to 12 volt converter, so I wired them in
I also did the same thing with
the added Brake lights.
(I still have the MOG brake lights but I added these for a little more light)
With the cover off, see how simple it is?
and even the license plate light.
I simply bought the 12 volt license plate light and an extra bulb, opened it up
and soldered in the second bulb with a series circuit, and presto, a 24volt
light! Works great!
This is the simple series circuit! This only works if both lights are exactly the same, if
you try using two completely different lights then one might be brighter than
the other, but as long as the lights are the same, this works great. You can
also use this circuit for your Unimog headlights if you want to use 12 volt
lights, but you will have to rewire them.
You can use several circuits like
this, one for driving lights, one for fog lights, one for brake lights, one for
backup lights, and more...
Unimog Clutch Work Don't try this at home kids!
Unimogs are not NORMAL vehicles ! Normally to work on the clutch of a vehicle it is a
simple matter to drop the drive shaft, unbolt the tranny and pull it out. Replace the bad
parts inside and reverse the procedure.
NOT IN A UNIMOG!
The Unimog has a drive shaft that is not easily droppable! And the clutch parts come out
by removing the engine instead! WOW! What a pain!
Someone told me the Cab has to be removed to pull the engine! AARRGH! But, according
Unimog service manual and the Unimog Guru Craig Tull, the motor can be scooted forward
enough to change the clutch parts!
First chore is to remove the mogs hood and front glass and all the floor panels of the
cab. Then drain the coolant (there is alot of it!) and pull the Air compressor (if you
have one) the Radiator (first take off the bottom skid plate and the heat exchanger!) and
with radiator and other goodies removed there is alot of space to work with! I also
removed the air cleaner. And a whole tangle of heater hoses! (they go everywhere!)
Next remove the valve cover and ya gotta remove the oil filter from the left rear of
We used two hand pulleys, one attached to a bolt on the front of the block and one
attached to the rear of the block. We hooked the top of the pulleys to the strong rafters
in our shop since we didn't have an engine hoist. We pulled up the engine a bit until it
was free and then pushed the MOG backwards so the hanging engine would pop free of the
Got the new parts on the engine and aligned and now just to slip it all back together.
Easy as pie!
Our homemade alignment tool! I filed on a craftsman screwdriver with the bench grinder to
make a clutch alignment tool, My Mac Tool man wanted to sell me an alignment tool but we
were not sure which one worked, when he comes by next week I will certainly tell him I got
it from Sears! ha ha. (Sears doesn't have clutch alignment tools)...
Pictures of the Unimog practicing on a 28inch high concrete slab near downtown Houston (used to be a big mansion)...
The Concrete slab doesn't look all that big in the pictures but let me tell you it is a whopper! I take city folks over to this place and teach
them proper respect for the unimog... ;-)
This looks scary to the average fellow but the Unimog climbs this small
obstacle with utmost ease! The driver in these pictures (not a Mog owner)
thought the truck would fall over! NO WAY!
I think the truck even smiles and purrs when
playing on stuff like this!