1971 M35A2 white multifuel with whistler turbo running on 80% waste motor oil and 20% diesel fuel. Just a short ride in the cab splitting the transfer case to make it a seven speed. Thanks for watching!
@@leoweber3629 It's a ignition compression engine just like other diesel engines.The only difference is the pistons,pumps,and fuel injectors.You can only use gasoline if it's mixed with motor oil or diesel at 70% oil and 30% gas.Anything (Except gasoline obviously) that these trucks use can be used in other diesel trucks...They aren't that special.
Top speed in stock condition 62 mph. Yes it idles at least 5 minutes before driving and I dont shut it off till egts get below 400° pre turbo. Thanks for watching
Chris Olson Mostly likely Air brakes, one of two things would happen if you didn't let it get enough air up: the brakes wouldn't come off, or if its the really old system you'd have no brakes. and old turbos aren't liquid cooled just oiled to keep the bearings going...so if you shut them down hot you risk damaging the turbo, if the seal breaks oil will go into the turbo and thus into the engine, which is uncontrolled fueling and never ends well...
Chris Olson not sure maybe in summer time, it says in the vid description its running on 80% oil, in-direct injection diesels will pretty much run on anything you could probably run it on 100% oil as long as the oil was clean and didn't block the filters.
1-5 in low range = 5 gears, then go high range and back to 4th then 5th for an additional 2 gear ratios = 7 different gear ratios making a 7 speed when and only when you split the transfer case in that manor, theres another split you can make between 3rd and 4th for an additional ratio making 8 total usable ratios, Its more work and skill involved but helps when loaded heavy and needing extra ratios
I always filter the oil to 1 micron absolute and cycle it 3 times for insurance and I use two 1" 80 lbs force magnets that I place in the funnel to remove any metal shavings from the oil as it passes through and I only use oil from my vehicles and my family so I know the quality of the oil. Also I only run 50% mix in cold weather due to the thickness of the oil when cold and it seems to smoke more in winter with used oil. Thanks for watching
Nice old school shifting guy. Your not having fun unless you have one hand through the spokes on the steering wheel. I used to drive a bed trucks in the oil patch in Canada. 5 &4 main and auxiliary with a jake break. Ah the younger wilder days. Not many guys around that can understand that let alone shift one as smoothly as you do. Respect. Of coarse the real challenge is pulling a hill loaded and being as smooth. 1981 Autocar 400 cumins 6&4 6 wheel drive sow bedtruck. Norman Wells North West Territories Canada. 85-87💪
it's been about 8 yrs ago but I tried this on a steep hill, worked good. the transmission has too big of a split between 3rd and 4th gear if I remember correctly. After two deuces, I went to M923A2, 5ton with Allison automatic, OMG are those nice, power steering two and top speed 63 mph. Could drive to a parade or event even on the interstate. My deuces I would do 55 but they seemed happy about 45 mph.
Interesting. These are a lot nicer trucks than the 2 1/2 I learned on in 1963 - all early 1950s Studebaker-built, I think. Rarely used low in 1, and not often in 2, but usually split everything else unless empty (and even then for practice a lot of the time).
If they had the gas OA-331 from Reo or Continental,then it was surely a original M35 from Studebaker,Reo,or Diamond T. All of the deuce and a halfs afterwards,particularly 1960,had multi-fuel engines of course.The last of them had Caterpillars.
Im getting one next week and would like more top-end speed People say Im crazy for going in debt -especially with the worlds situation. But I needed a work truck Thanks. Subscribed
Those engines will only take so much rpm. After that a rod or two will come the side of the engine block. The tachs are marked with a danger for that reason.
I've ran mine with 100 percent used engine oil can't really tell the difference in power unless it's under 50 degrees outside then I will just put about 5 gallons of 87 octane with 45 gallons of oil. never had a problem
Jeremy Turgeon did someone give you the used oil for free? Thinking about buying a deuce and if I can get used oil for free to power that thing that’ll be a good reason to buy one
The multifuel concept was a "field expedient". It was only used under severe supply consraints. It was never intended to be used on an elective basis. In other words, if #1, #2, JP4, JP5, or JP8 was available, that's what you used. Never had a fuel shortage, and that includes Vietnam.
@@matthewjones8620 And yeah, that transmission has the nicest, tightest shift I've ever seen in a military truck. Did you do that? A rebuild kit or something?
@@r.a.4475 no its factory, I do run Dello 100 40wt engine oil in the transmission (as directed by spicer) which is why it shifts so smooth with no grinding, the shift tower is also very tight. Thanks
You can do a good 65 MPH if you push it.Speed is complicated on these trucks and the multi-fuel is only rated for 2,600 RPM.Yes,you have to let it idle five minutes before motion and before shut down,espiecally shut down.If you immediately shut down at stand still (Unless something else is going on),you risk causing damage to the turbocharger.
When splitting the case for the extra 2 gears do you get any better top speed for the road im really considering selling my squarebody and buying one of these but i dunno if i could handle only being able to go 50 everywhere lol
J Pugh I have 48" tall tires, when pulling a load splitting the transfer is easier on the clutch, drive line, and don't seem to lug the engine as bad. However it does not effect the top speed. With 48" tires I cruise around 60 possibly 70 if you run it against the governor which I choose not to do. I try to keep it at or below 2,100 rpm. Some guys run 53" tires also. THANKS for watching
To: SS 81 I did not say you can't drive an M35A2 over 55 mph. It just isn't built to go over 55. If you really want.to drive over 55 mph in your deuce then I suggest you have a 10 speed Roadranger transmission installed.
@@ScottHamilton-hb9sb The 3053 Spicer Transmission does very well above 55 MPH.I go anywhere between 60-64 MPH most times driving my own M35A2 and I've been around almost my whole State of Texas.Putting anything bigger in that truck is literally unnecessary because it isn't built for Highway Speeds,those Speeds I mentioned are good enough to just keep it in the right lane and you don't want to go much further because of the Air Assisted Brakes and the Axle Boots on the truck.Putting more Gears in just drags and will unbalance your Ratio.Plus the Multi-Fuel Engines in the Deuce & A Half aren't powerful anyways,the LDT-465 was rated at 135 HP and 330 Torque while the rare LDS-465 made 175 HP and 440 Torque,so why the hell does it need a different Transmission? It won't go faster nor pull any better.Those 45 MPH Stamps you see on those trucks are for rookies that were inexperienced drivers,another main reason why these trucks have Governor Springs.Split Shifting and Double Clutch also in a 3053 Spicer isn't all that required,the Transmissions have Synchro Gears.Going above 55 MPH in a Deuce won't even ware down it's Transmission,I've seen other owners get theirs at times higher than the posted Speed I've done before and theirs is still perfectly fine,just don't floor the damn thing like a hot rod.
TheRooSkittler Multifuel just means you can run on practically anything. You can still go to your local gas station and fill with diesel and be fine. These engines are just capable of running on gas, kerosene, jet fuel, used motor oil, vegitible oil. Basically if it burns, you can run on it.
@@Mach_Style You forgot to realize that the Multi-Fuel is a Ignition Compression Engine just like other Diesel Engines.It only is separate because of it's Pistons,Pumps,and Fuel Injectors.You can only combust Flammables if it's mixed with Motor Oil or Diesel Fuel,30% Gas and 70% Diesel. Other than Gasoline,Petrol,or E85,all the Fuels that are resources are the same ones used in other Ignition Compression Engines.Multi-Fuels are nothing special.Using unmixed Gasoline will destroy the Engine in these trucks.
@@matthewjones8620 M35A2 and M813's are from different era's of military vehicles. The M35A2 was from the 50's about to the 80's. The 5 tons that went with that series was the M54 for cargo and M52 for the tractor version. They had the same reliable multi-fuel engine in them. The engines only produced about 145 brake horsepower, but loads of torque.
@@ScottHamilton-hb9sb im not sure what your saying but the question you are responding to is 3 years old and I said M813's had mufflers from the factory, M35A2's came straight piped from the factory, trust me I have both
@@ScottHamilton-hb9sb M35A2's-M756A2's are actually from 1966-1988,anything older is the M35A1's (1960-1966) and then there is the gasoline deuce and a halfs (M35) that go back to 1950. The M812's-M820's are from 1969-1982 and all used the Cummins NHC-250's,I own a 1973 M813A1. The M51A2's-M543A2's are the five ton trucks that had the multi-fuel,most having the LDS-465's,the M51A1's-M543A1's had Mack Thermodynes and were built by Mack,the original M51's-M543's had gasoline R602's from Continental,those trucks altogether were 1951-1969. The LDT-465 was 135 HP/330 TQ and LDS-465 was 175 HP/447 TQ.
if I am pulling at max load on a hill do I shift in 1Low-2Low then back 1st but in 1High? then when I am going at 30mph then I approach a hill do I shift it from 4Low to 3high? is that how it works?
Wrong truck.The M35A2's all used a Multi-Fuel and are a 7.8L. The M809 Series (M800-M832) 5 Ton Trucks from 1969-1982 from AM General all used a Naturally Aspirated NHC-250 Cummins,being a 14.0L.Being much more Powerful and louder,no comparison.The M939 Series (M923-M944) 5 Ton Trucks from AM General used a NHC-250 also.When BMY Harsco built them,they all had a 6CTA Cummins.
only 90% sure, but they should have a SAE#2 bell housing patter on the engine, so an eaton 10 spd will bolt right up. Get the RTOO 6613 though, need the double OD to get some highway speed up
Northern Arc as far as I know, yes it is true. I know a SAE #2 is the bell housing patter for Eaton transmissions of that size range but idk if these engines have that bell housing pattern
I don't care what the hell kind of Transmissions you want in these trucks...They are 6×6,they aren't built for highway speed limits at all.Going above 60-62 MPH is the point of unsafe in these trucks with the type of Brakes they have and how they react to that kind of use.I've driven mine well up to 65-67 MPH at 2,600 RPM's,everything in proper order and function,and that was just a test.You don't need to be a in a hurry with this kind of truck,they are BIG,HEAVY,and SLOW.
One question hoping for a response. I heard these engines actually aren’t as reliable as Cummins engines. Would buying a deuce with a Cummins engine be worth it? Or are the original multi fuel engines fine? I heard you can blow them up if you push them to hard. I need to make up my mind.
If your referring to Cummins as in a 6BT yes they are more reliable, powerful, and less temperamental. I have had my LDT multifuel turned up pretty hot for several years, I drive it by the pyrometer and boost gauge, it will quickly hit 1,200 degrees if your not paying attention, I keep the whistler turbo at 12 lbs or less boost even though it will easily go to 20 lbs. Its all about how you drive it, treat it, and maintain it. Hope this helps.
@@Nikkk6969 no problem, I always reply when I get a notification of a comment, otherwise it would be impossible to surf each video looking for new comments.
You could have gotten 8 gears buy going into 3rd high on your split; the data plate speeds would agree All the manual transmissions whether on a deuce or a 5-ton and even the 10 ton will give you 8. The 10 tons were a real bitch to get into gear if the clutch brake was out of adjustment especially if going up hill as low geared as they were
@@willmorris2273 Then buy a semi truck.You literally can't drive a Deuce at highway speeds and that Multi-Fuel is not powerful at all.The LDS and LDT 465 made 175 HP and 135 HP.They also don't last at all,once you roughly get to 60,000 Miles,you will need to be Rebuild that Engine or replace it with a different truck.Get a M35A3 if you want power and long life lasting,they make 290 HP with a 3116 Caterpillar.The Deuce is not meant to be over 60-62 MPH,if you go over that limit,you are risking yourself on danger and death,no way around that.Hell,I got mine to 67 MPH and I've seen very few rarely get over 70 MPH.But in all techs,it's a 6×6 Truck,you DON'T want it to be fast,it never will be and isn't meant to be,it's heavy and slow.You can modify that Engine and put a aftermarket Transmission,but you're just wasting money.Going that range of speed will risk the Brakes overheating and you'll destroy the Drums and fuck up your Boots on the Axles,they frequently need to be Greased every few hundred Miles,because Contact every time from the Brakes obviously generates Heat and Ware.And the Multi-Fuel can only do soo much up to 2,600 RPM's,as a Straight Six,when other Standard Diesel Engines do 2,100-2,200 RPM's as a Inline Six,and you aren't recommend to go over 1,800 RPM's at all.Going that fast,yet again,will end up making your Pistons drill holes in the Engine Block and have them fly like Bullets,pushing that small 7.8L Engine to the maxes also can damage Seals and the Turbo (If it's not Naturally Aspirated) and you can give it the possibility of being a Runaway Engine and then with a Carbon Monoxide Fire Extinguisher,you'll have to spray that thing in the Intake Manifold to shut it down.
I've ran mine with 100 percent used engine oil can't really tell the difference in power unless it's under 50 degrees outside then I will just put about 5 gallons of 87 octane with 45 gallons of oil. never had a problem
