The two Speed Transfer Case

[@eric3532]

I got one (empty on a flat highway) up to 62. Pulled that throttle knob out and just sat back to enjoy the ride.

[@lorenscholes]

I was in the Army from '89-'92 and we still had these. I drove one a bunch in Korea ('89-'90) - especially the old 49 Charlie fuel carrier! - and absolutely fell in love. My best friend's father had one while we were growing up so it felt like home then. Watching your videos really brings back a whole lot of pleasant memories. Thank you.

[@bcgrittner]

I have driven local and over-the-road. I have shifted without the clutch many times, but Eaton-Fuller showed us a video where transmission damage had occurred from clutchless shifting. Lesson learned. Now I have the education necessary for operating a Deuce. Thank you.

[@adventurer247]

I'm a simple man, I see deuce and a half, I click like.

[@davidsteinhour5562]

Exactly my stance too.

[@MrDJ217]

👌

[@cephasmartin8593]

Dad's old 48 Chevy farm truck wasn't 4-wheel drive but it had a two speed rear axle and that's exactly how we drove it with a load of grain on. However, for driving without a load we shifted to high range and went through the gears without split shifting.

[@deuceandguns]

That's like a Semi-truck. I had a big thing in this video about that but edited it out for time.

[@adventurer247]

You should make a separate episode of the part you cut out.

[@donalddodson7365]

I liked your comment about "GI" clutch less shifting: since the Statute of Limitations has expired and Military Assistance Command Vietnam (MACV) is no more, I will admit I have done clutch less shifting in the taxpayers' Dueces. Part of it was the challenge of exactly matching the engine and road speed with the target transmission and transfer case selection. Nothing so sweet as going from gear to gear / range to range with no grinding, clunking and jerking! Especially, since it was Uncle Sam's truck ... rent free ;-)

[@deuceandguns]

Dad has always described it as, "raking gears through Saigon" and it must have been a common hobby over there.

[@donalddodson7365]

DEUCE AND GUNS Had to do something to keep sane. Happy Thanksgiving! DED

[@Terribleguitarist89]

@@donalddodson7365 I've done the same in Iraq and Afghan... As my dad (nam vet) says when we talk about parallel experiences, the more things change, the more they stay the same.

[@donalddodson7365]

@@Terribleguitarist89 I hope your dad is doing well (and you, too, of course). So far, diabetes from Agent Orange has been just below the threshold. My PTS floats up and down, often depending upon what other stressors are "incoming." For me, driving in Vietnam was one of the best coping mechanisms. All the best to you and yours.

[@melz6019]

I learned to drive a deuce and a half whole stationed at Fort Hood 1995. Good memories!

[@wildbill23c]

Another great Deuce and a Half video. Keep them coming. I ran across a thread on a forum a while back about buying a Deuce and a Half and trying to get it registered and insured. Some states its almost an act of congress to do LOL. I live about 30 miles from a place you can go buy military vehicles that are ready to go and easily registered...not every state is that lucky, and it seems almost every state has its own set of rules for these types of vehicles unfortunately. The trouble I'd have buying one would be of course the $$$...or rather the lack of HAHA!!!...they are not cheap to get them in good running condition and paperwork ready to go to registration and insurance.

[@bradystanga7688]

Thanks for the video. I have learned quite a bit about the light switch and now the transfer case. I drive mine once a week and it never gets old .(m35a2c)

[@deuceandguns]

It really never does get old. I keep mine at the farm so on the way down I'm going through my list of everything I've got to get done before dusk and how I'm already behind schedule. All that hustle disappears the second I crest the hill and see her parked there and I've got an instant smile across my face.

[@bradystanga7688]

DEUCE AND GUNS I know what you mean!

[@simonrichard9873]

Go look at the ZIL-131. It was a Soviet truck that served about the same pupose as the M35, but it was equipped with a carburated 6.5 liter V8 engine that made 150 hp, backed by a 5-speed manual transmission.

[@donalddodson7365]

I had a friend (now passed over) who described Soviet trucks as running on any fuel, climbing up any grade, carrying enormous loads, but has no nice stuff like power brakes, power steering, synchromesh, smooth ride, etc. Is that your experience? Thanks.

[@IanTetrault]

I wish there were some slick videos like this for the M715...I sorely need them!

[@justinstergar6757]

Great explanation as always. Very well spoken too. Thank you!

[@wedge7j7]

We would split 817 series dump trucks... With a large load in the bed it was the only way to get it moving... Low transfer 3rd to low 5th, reach down and grab the lever to high and 4th... Fun times!!!

[@shovelrocker]

Good Video, Thanks. My clutch peddle is only coming back up half way but seems to still be working just fine, any ideas on this???

[@deuceandguns]

Does it actually top out half way up or can you pull it up to the level of the other pedals? Each pedal is adjustable so someone tall may have adjusted the clutch pedal so they could fit their knee under the steering wheel. If that's not it then it's time to break out the dash 20 to do some trouble shooting.

[@kalebskrzypek]

for the next deuce video can you please do a all around town how to driving like parking, shopping ect.

[@nol1379]

With a load on, either carrying or towing, you have a 8 speed tranny now. 1 thru 5 low to 3high thru 5high then od. making 8 moves on the shifting arm , 1lift on transfer bar and a pull on od button. When you first go thru talk yourself thru the whole thing then listen for the grind when you miss that transfer hop. Your steering is actually powered but it is known as a Manual Armstrong steering unit. Hopefully the computer sending unit isn't having a freeze from a cold ice cream cone prior to driving.

[@wilmersegarra1574]

Question... Is it normal for a m35a2 to go on, let's say a 45° degree angle up hill paved road at a max speed of somewhere of 10 to 15 mph on second and maybe third gear? The truck has no load/empty bed. A I'm doing something wrong? Thank You in advance.

[@mildlydisinterested]

With respect, things are a tad different in a semi than you describe. A semi has low and high range, but that isn't a splitter. Most modern (standard transmission) semis have both a range selector and a splitter. You start out in low range, normally in second. Compound if you are loaded really heavy. (Mine puts out about 300 hp and I weigh 97k and still don't use compound unless starting out on a hill.) You run your low range, then start over in high range. With a 10 speed, that's it. With a 13, you do it that way through low range and then once in high, you can split each of those gears with the splitter. With an 18, you can split them all. A 15 speed is even more different, but similar. Just different enough that it will confuse most folks when compared against what I just described, but it does have its place. Basically, low and high range are a way of making 6th gear right after fifth so that you have more gears available at low speed and a splitter is a way to divide gear ratios in individual gears, instead of affecting the gear ratio of the whole transmission. The 10 speed that I drive has the same shift pattern, that wonky 4/5 reversal, but I love it. Perfect hand rest on a long run and the pooch has plenty of room for bouncing around the cab and sleeper. :D

[@brandenbyrd9238]

Thank you for the knowledge, I recently changed out the front bearings on my 1985 M35A2.. (by the way the driver side is reverse thread) and now I've moved on to my rear wheel bearings but when I've opened up the cover and pulled out the axel. it looked fresh and new. Would you recommend saving my new wheel bearings till they start winding or just replacing them now.. the term if "it ain't broke don't fix it" comes to mind.. anyways I would like to see how you do wheel bearings.. I had to weld the race to pound it out of the Hub that's why I'm not into tearing out four more on the rear.

[@KenSellers]

Love your deuce and a half videos. Watched 'em all before getting my first deuce and a half (got 2 now). The shift lever on the transfer case is jumping around a lot after you shift to High. Any concern about it jumping out of gear? (Both of mine do this.) Know of any easy solution? Also, couldn't help but wonder if you actually get to full speed faster when doing this with a heavy load, or is the only benefit being easier on the drivetrain? Thanks!

[@jmatlock1994]

i have been telling people that for years thank you sir.

[@leoweber3629]

Please do a video on installing a overdrive gear and where to buy it

[@declanthiele]

Overdrive gear is standard in all duece 1/2

[@majmikecalnan]

44 years in the army. Started on M37 and M135, drove M35 for years. Instructed on many driver courses. Own and maintain 9 deuces. NEVER SPLIT SHIFT ON ROADS! They weren't designed for it and there is no need to do so. The manuals only include shifting the transfer on the move to allow dropping into low or stepping up to high while maneuvering cross country. 🙄

[@donalddodson7365]

@Michael Calnan Thanks for your service. I did 2 years, 9 months and 6 hours in the US Army (but who was counting?). BC touched on it, the design criteria for over the road trucks vs. off road trucks are different. I never tried changing high / low while rolling.

[@eddieweigel9490]

If you have the transfer case engaged that drives the front axle because the ratios in the front and rear axles are different on dry hard surfaces like parking lots you’ll do some nasty driveline damage twisted drive shafts premature tire wear internal gearbox damage

[@dw7094]

Not true. These transfers were equipped with a "sprag" unit to the front axle. Frankly, I never saw the purpose of split shifting the M35's. The 5 tons needed it when heavily loaded, especially the M809 Series with the big gap between 3rd and 4th gear.

[@rangerdanger766]

I do not recall ever driving with transfer split shifting except when we deliberately started out in low range. Truck should do at least 75% of tasks strictly in hi range. But that was long ago so I could be wrong

[@Farmall450]

Good video as always.

[@Lanninglongarmmowing]

That truck is so cool. What is your opinion of the 5 wheel deuces?

[@mannys9130]

Wow that's a weird 3-4-5 shift pattern! That would take me some time to get used to. I'd be going from 3 to 5 every time for like 2 weeks. 😄

[@amirlach]

It's due to the overdrive 5th gear. A 15 over drive has the same pattern, you get used to it just like you get used to reverse being up and left instead of down and right on a pickup.

[@ScottHamilton-hb9sb]

Do not split shift a deuce 1/2. It is completely unnecessary. Low range transfer case is for off road, up in the hills or mountains or for over weight loads. Use high range for all other loads.

[@isaachousley325]

Alot of people dont understand the difference between a gear range and a gear split. A gear range is a range of gears that, depending on application, is sequential to a lower or higher range (ie on a 10 speed, 1-5 is low range while 6-10 is high range) or a ratio adjustment of the gears in the transmission (ie the difference between 4 low and 4 high on a 4x4). A gear split takes the normal gears within a range and provides a gear in between, creating a high and a low ratio for a numbered gear, "splitting" that gear (think 1, 1.5, 2, 2.5, ect). In the dueces, the transfer case is a ratio adjustment range selection, to be selected at a stop.

[@oldbaldfatman2766]

Thanks for the video and once again, learn something new about these trucks. I do have questions (hint for another video or 2) about these trucks I haven't seen you cover. First is tires & rims. From what I understand from watching videos by another owner, the rims are split....are yours? If so, can replace them with single piece semi-truck size rims on these trucks? Make it a lot safer if/ when you have to pop off a bad tire to replace it. Second is seeing tires installed in 2 different places. One is stored vertically behind the cab, starting at around the bottom of the drivers door. The other is horizontal, again behind the cab, but starting about at the base of the drivers door. Third is how do you get these puppies out/put back in? Have you had a tire go bad on you while driving and if so, how did you replace it with the spare, meaning what equipment did you use?

[@adamcovey2629]

the frount tires usualy weare alot faster than the back as the front axals has a lot more weight on and is turn more.the tires are a pain in the ass to change esesualy If the rim has rusted I just jack it up with a 20 ton bottle jack

[@louiechaplin]

Don't talk about semis without more research. I'm a trucker. So, here we go. The only transmissions that you split the basement gears is 15, 18 speeds. 13 you split top. 9/10 you don't actually split. You go (10speed) 1-5 flip the splitter to high and go back through. Super 10 you split every gear. Clutches are for those that don't know how to float.

[@deuceandguns]

So my point that a Deuce and a half has almost nothing in common with a Semi is true. Thanks.

[@philfrancis6238]

What a M35 has is a "mud stick" duplex mv because you cannot split each gear. It does allow you to use the 4-5 shift twice which is the tightest gear change in the truck. The proper method to shift a 2 sticker is to move whatever lever is being up shifted FIRST. Wh et n accelerating that would be the transfer, when downshifting the main would go first. The truck should launch in 2nd-low without difficulty. You should always back up in low range. The hi-lo. Unlike a CCKW OR M38 has nothing to do with the front wheel drive . The transfer case also facilitates towing as put in neutral and go. It is only necessary to drop drive shafts if the problem is the transfer itself.

[@MrDJ217]

Excellent video

[@aussiebloke2998]

Brilliant! Another Deuce Video. I would have thought you would have put the transmission into neutral and then shifted the Transfer case and then shifted the transmission into the next gear while on the move. Did I hear a 'Thud' when you shifted the transfer case from low to high? I've not tried it yet on mine. Are you going to do any more Video's on the winch and its operation like you mentioned in the winch video? Aussie.

[@mikecorleone6797]

I’m planning on buying a deuce but I’m thinking to buy an automatic cummins so i can swap the allison out for a 10 speed so i can actually hit 55 on the highway... still working out the all wheel drive part

[@amirlach]

You can get a 13 speed with double over.

[@stevenshewfelt888]

how do you downshift the deuce and a half?

[@deuceandguns]

Same as in any other vehicle except special attention is needed to correctly rev match due the the higher compression even when compared to other diesels.

[@stevenshewfelt888]

ok thanks...

[@thundergaming9027]

Hey man we need to go deuce mudding sometimes

[@EmancipatedSquirrel]

Very informative, thank you.

[@kirbyvanduzer6565]

I've seen duce in a halfs doing 55mph down the road does that hurt the motor and is it possible to have a slightly higher gear ratio to get a higher speed without hurting the motor

[@deuceandguns]

If by Deuce and a Half you mean an unmodified M35 series truck then 55mph is pushing that engine at it's limit. It's designed to run at 45-50mph all day long in convoys but running faster than that for a long duration is really unnecessarily stressing the engine. If taller tires or a different gearing are added then faster speeds can be run safely for long periods but will result in more downshifting in mountainous areas. What's typical is newbie buys a Deuce and drives it everywhere at 55-60 mph because the engine is strong enough to push a 14,000lb brick down the road at that speed. That person then makes fun of all us cautious Deuce drivers and explains that they know what they're doing and we know nothing. Fast forward a year or two and that newbie is telling the world how poorly built the multi-fuel engine in Deuces are because their engine threw a rod through the block while all us just shake our heads.

[@kirbyvanduzer6565]

DEUCE AND GUNS I live in Florida so mountains aren't a problem so higher gearing would probably be good as long it doesn't hurt the engine

[@kirbyvanduzer6565]

DEUCE AND GUNS I'm ordering one from boyce equipment but where I'm driving it is probably won't have a problem driving it there's only one place the speed limit is 60 but I probably don't have to go that fast 50 would probably be fine some of the places I drive it it'll either be 45mph speed limit or 35mph so the stock gears would be good I'm definitely not driving it on the interstate but 50mph would be fine anywhere i drive it people don't like it they can just go around me

[@kirbyvanduzer6565]

DEUCE AND GUNS and actually the minimum speed limit on the interstate is 50 anyways but like I said I'm probably not driving it on the interstate but I can't wait to get a bobber because it's always been a dream to own one and mom wants a truck in the family how much do they tow anyway I know they don't tow as much as an F350 but it hopefully should tow enough

[@adamcovey2629]

Aha I got a duce right around to over 60 and hasn't made any difference had the truck for about 20 years and reve counter has never been in the red mind you this was on flat ground God knows the speed when going down the hills

[@rav6274]

What's the top speed on that??? And mpg?

[@michaelmiller4902]

What is the top speed on the open road in the highest gear?

[@MikeDCWeld]

2:52

[@rojenadventures5566]

How do you shift from hi to low?

[@deuceandguns]

The lever in the floor.

[@rojenadventures5566]

I guess my question is when on high speed I didn’t see you shift down using hi to low

[@deuceandguns]

I started out in low the shifted to high at 5:00 in the video after maxing out 5th gear in low.

[@timothycrater6328]

Seem s a little different the Eaton Road Ranger my Semi had was low 1-4 the switch the Air operated splitter and do 1 thru 4 again not splitting every gear

[@christopherhartleroad4776]

thanks every simple

[@abseconPC]

automatic duce with power steering or air assist possible

[@deuceandguns]

Only the M35a3 had an automatic transmission. The 5-tons have automatic trans as well.

[@richterman3962]

Brett Duffy autos suck

[@wilmersegarra1574]

Hello you all! Can anyone help me with my m35a2 clutch adjustment? I replaced everything for the clutch with new parts, throw out bearing, crank bearing, flywheel, pressure plate, clutch disc and all the bolts for all this parts. With OE parts btw. And the truck feels the same way, dead. Like if it's still had the old clutch parts. HELP HELP HELP!!! Thank you! DEUCE AND GUNS

[@willysjeepmb]

yay. deuce video

[@davidsanders1991]

How do you take a U Turn with a Deuce?

[@deuceandguns]

As long as you have at least 5 lanes to work with you'll be fine. Otherwise, it's as simple as an 87 point U-turn. You've actually given me an idea for a video...Thank you!

[@wilmersegarra1574]

david sanders You don't. 😃 Keep on going forward!

[@francesnieznay6623]

21years 63c40 that is how it is done.

[@mandolinman2006]

UT. You must be near by.

[@deuceandguns]

Got my bachelors and masters from UTK along with spending some time in the marching band.

[@mandolinman2006]

+DEUCE AND GUNS Cool! Which instrument? I did saxophone up until I was a sophomore at ETSU before my back started misbehaving.

[@deuceandguns]

Yep, Alto Sax. Haven't played since the 90s but can still finger through Rocky Top.

[@mandolinman2006]

+DEUCE AND GUNS That's cool! I say you probably played it a time or two.

[@40yeartrucker25]

The rule with a 4x4 is always go to the high one befor going to the low one. In other words is go to high range befor going down to 4th. Just saying.

[@shashashashadowbannedbud4371]

PFC Anderson

[@tylerschoup4397]

Dude truck drivers don't split every gear if it's a 10 speed it's 1-5 then flip the splitter then 6-10

[@deuceandguns]

Yep, i was incorrect on that...luckily this is a channel about the Deuce and a half and my point still stands that the M35 is way different than a semi.

[@BigJon94]

good explanation. Roll Tide by the way 😉

[@ram_diesel_power6039]

Red line for a good time.

[@harryotter4]

Stay the hell out of my trucks. You best depress the clutch when shifting transfer case

[@Coalrollinfurry]

Its basically a splitter.

[@malloyneil40]

You also shouldn't be changing ranges while in gear.

[@malloyneil40]

Actually you should only ever use a clutch to start and stop. You'll burn out clutches by clutching. And no, not all semis split every gear.

[@richterman3962]

Neil Malloy no dumbass, and clutch replacements are much, id rather replace a clutch not an entire tranny

[@IG10705]

The newer international trucks are like that. Only for going and stopping. No use for s the clutch between shifts

[@kevinhornbuckle]

U luck no dubble clutch.

[@God_is_Justice]

damn this is so complicated I'd rather go do something else

[@thecumminsguy7083]

First

[@23killquick]

I want to drive one so bad! 😭