Fixing Everything Wrong With Our Truck Tank... 30-Speed Detroit!

The Shermanator gets a 6v71 Detroit + Allison MT643 transmission!
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The Shermanator gets an engine swap! This 1980 GMC Sierra Grande crew cab sitting on a post-war Madill Yarder chassis built with Sherman M4A2 tank components... now has a 30-speed 'semi-automatic' (dual transmission), a 6v71 Detroit diesel, and a massive winch driven off a hydraulic pump powered by a 4-71T Detroit under the hood.
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0:00 Coming up
1:55 Tank truck disassembly
5:42 Why are we doing this?
8:08 SAE #2 bellhousing swap
9:54 Removing the 4-71 Detroit
11:00 Will the 6v71 fit?
13:22 Allison MT643 automatic transmission
14:17 Adapting automatic trans to manual flywheel
18:41 Mounting the engine
26:26 Cooling the transmission
23:07 New hoses & fittings
25:51 Driveshaft brake install
28:00 A giant winch
29:03 Ready to boom
30:02 4-71 Detroit inspection
33:13 Squarebody fitment
35:56 Mounting the winch
38:15 End result
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411 Darling Rd, Canfield, ON Canada N0A 1C0
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From Tractors to Heavy Equipment to Industrial Machines, DGHD will show you how to build, operate, and repair anything with a throttle.
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DISCLAIMER OF LIABILITY: DGHD specifically DISCLAIMS LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES and assumes no responsibility or liability for any loss or damage suffered by any person as a result of the use or misuse of any of the information or content in this video. DGHD recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. DGHD assumes or undertakes NO LIABILITY for any loss or damage suffered as a result of the use, misuse or reliance on the information and content of this video.
USE AT YOUR OWN RISK: This video is for informational purposes only. It is your responsibility to evaluate your own safety and physical condition, or that of your clients, and to independently determine whether to perform, use or adapt any of the information or content in this video. Any automotive repair and/or modification may result in injury. By voluntarily undertaking any task displayed in this video, you assume the risk of any resulting injury; your safety is the sole responsibility of the user and not DGHD.

[@TheRealMaroonExpy]

Thanks for the warning Rich, I was planning on driving my tank with no body, good to know it's a bad idea lol Merry Christmas

[@Mr.Safety.]

Excuse me, are there videos on your channel of this amazing sounding thing? Lmao

[@210cisco3]

Frs 😭

[@robertkoller3391]

You were going to drive your tank topless, for shame. LOL

[@mig25foxbat]

Great video as ever. I like the fact it started with “yeah we are going to do this all in one hit” and ended with “Now we are going to add hydraulic rams… and tidy up the cab… and maybe upgrade the engine again… and…”

[@kenmurray4232]

Another good video. My Dad used to say that if a Detroit didn't leak oil it would just burn it. Having driven enough of those in the day it is pretty much true. Detroits like old Harleys don't leak oil, they are just marking their spot. Merry Christmas.

[@Kstang09]

If it's not leaking oil, better put some in!

[@towboatjeff]

If a Detroit isn't leaking oil you need to add oil cause it's out.

[@kenmurray4232]

@@towboatjeff so very true

[@Leroys_Stuff]

Poor mans gps follow the trail home

[@seansouth1556]

It's not leaking oil it's sweating horsepower

[@Wordsnwood]

@31:28 ... Nothing like some dutch boy mutterings! 😇 Can't believe you're getting this thing to work; It's hilarious.

[@muf1772]

Getverderrie!

[@tony66au]

Love the sheer ballzy nature of this build, eyeballing, cut, stitch and weldHerUP which isnt dodgy at all when you have a good mind and fab experience. 6V71 is a good choice too but give the supercharger some love eh? Love it!

[@halfspecgarage9169]

If Canada had a “Canadian man” rich would for sure be it . Love the content 💯

[@guyforlogos]

No, no, no…. It’s ‘Canada Man’!!! As in “Canada Man buys tank truck, news at 11” 🤣😂

[@michellericard4850]

It's all expensive, but you would have an iconic vehicle. You got to see about doing it right. Doesn't have to happen overnight. Definitely one of a kind

[@paulolson734]

It's been 20+ years since I've seen the geartrain exposed on a road oiler but I still remember "R to R, R to VR, V to V" to time the cams.

[@uliwehner]

reminded me of my old 155mm howitzer. it came with a 8v71. would hit 40 downhill.

[@raynyhus2026]

Them m109s were a blast to drive. The m110 was a beast, ripped up many sidewalk and curbs in Korea during team spirit in 87.

[@johnweatherford5760]

A little shorty school bus with a chopped top would be cool sitting on it

[@build2break]

No chop top seems cooler

[@braaapattack2937]

A double Detroit swapped gmc crew cab tank… a project we didn’t know we needed, but now want 😂

[@bennyogden4524]

Man I've been a subscriber for you for years and I'll tell you what you're a damn genius when it comes to having everything up and all the electrical and all that you are the man

[@HowNotToDoEverything]

Gotta respect the man who doesn't even take the implement off his tractor before trying to pull his tank with it.

[@farmerbill6855]

Something you have to do with a little tractor. Adds much needed weight for traction. Pretty standard move.

[@asherdie]

Added weight for better traction

[@wobblysauce]

Easy does it...

[@DGHD]

Weight for the rear tires obviously

[@teamidris]

@@DGHD Yep, if that isn’t enough I’m putting the five sheer reversible plough on there for ballast :o)

[@davidanderson2393]

Fun video, when I was in my early 20's I worked for a company that had 20 acres of military surplus equipment. A coworker and I would spend our breaks and lunch out piecing trucks and what ever we figured we could get running and moving, good times.

[@joseflavallee8577]

Did you work for Levy Brothers on Jane St.

[@davidanderson2393]

@@joseflavallee8577 Nope, I worked in the PNW Washington area, Wittenberg motors which turned into Freeway truck parts south of Seattle

[@MrSpartanicus]

Best quote: “Can a single brake caliper slow down a … 20 ton tank? I don’t know, I don’t know”. I wanna be clear I’m not criticizing, it’s just the way he said it and it made me burst out laughing.

[@crautoguy8384]

Obviously you didn't do this in 40 minutes but man how cool is it to work on old stuff that was meant to be worked on and modified from the beginning I think we've lost something in this modern age This is how so much got done in the air of this type of machinery

[@HANKTHEDANKEST]

"It's gotta work the best it can and I need to be capable of field-servicing the entire unit" has turned into "Uh-oh, it's throwing codes. Call the CAT dealer... again." The 21st century is basically total garbage. :\

[@petermolnar8667]

That’s what right to repair is about, preventing manufacturers from having a monopoly on repairs. Louis Rossmann is actively lobbying, Rich Rebuilds made a video about a Model 3 where their solution saved thousands of dollars compared to the service center’s offer, might be interesting

[@masonandmepowerwheelsvids1690]

This is the content we need. Need more truck tanks

[@123suzukisamurai]

Damn I like these episodes Rich and company. I hope u guys make enough money doing these so u never stop. Just by far the best entertainment ever. Thanks guys

[@alexlisk2581]

Can we start a petition to keep the tape boss product going cause seriously that is awesome and would be so so useful. Even if you license out manufacturing and supply it could go worldwide

[@pjbth]

Take a drink every time Rich says V&R. Unless your not Canadian and would have to pay for the liver damage.

[@DGHD]

I was thinking that watching it lol. We work with nothing but the best companies. Those guys are awesome putting up with my crap

[@heatonhigh]

Brilliant as always. Love all your videos, your knowledge and ability to engineer on the fly. Always a pleasure to watch. Can’t wait till the next tank video

[@WBOS72]

Great job Rich. No worries on the old squarebody, make it part of the tank. If the box is rotten, scrap it and build a flatdeb. Im really looking forward to seeing the next video.

[@joeg7755]

I believe the Allison torque converter adaptor ring should be bolted to a proper drive flex plate and not a manual clutch flywheel as you have here. There will be no room to allow the converter to balloon (expand) while its building hydraulic pressure. Good chance the converter could crack and/or drive itself backwards into the transmission causing damage and/or push the engine crank shaft hard against the thrust bearing wearing it out in short order. You can get a flex plate from an older Detroit powered MCI or Provost bus being scraped. Please look into it before many run hours accumulated.

[@maxtrehus602]

Seeing this uploaded made my morning, thanks Rich and team!

[@mikeaho4143]

Wow. No that's a PROJECT ! Great job with lots of variables. Thanks for sharing. Happy New Year !

[@bulldozer7656]

Stopped the video and ordered 2 tape bosses. I already have 2, but they're awesome. Thanks Rich for all your doing!!!

[@xrider3732]

Could be the hit of the Dunnville Mudcat Festival Parade!

[@ZikodeKubber]

Nice to see you didn't forget all your Dutch Rich. The getverderrie cracked me up haha.

[@christophniggli4750]

I'm Swiss but that kind of Dutch sounds familiar...

[@mikeanderson2730]

This type of videos must be my absolute favorit to watch. Some one comes up with an idea, a good one, but dont have the knowledge or money to see it thru to be really good. Then the cool guys with pro skills, fun visions and a little green in their pockets and make the project.... awesome! A little dab of paint, some turbos, lots of lightbars and a big ass pirate flag this could be the ultimate partymachine! Beercooler on the bed is a must..

[@TheBrokenLife]

Crew cab truck body, mounted funny-car style, to your retired logging tank, might be the most Canadian thing I've ever built. Need to see if Timmy's will sponsor it. Deboss Off-road Coffee delivery.

[@soltystoja]

Wesołych Świąt! Zdrowia, kasy i słodyczy grabarz życzy :)

[@robjustlooking8729]

Can't wait to see that thing running! Yeah that 4-71 would overflow the engine bay of that pickup. There was a guy around here back in the '80s who shoe- horned a 4-53 into a 74 international 3/4 ton 4 by 4. Front axle wasn't quite up to the challenge of the extra weight. Drove a late 70s GMC, 6v-92 with an Allison. When it was fully loaded you put your foot to the floor and waited for it to start moving.

[@mcbarber5108]

Oh your definitely nuts Rich!! But that’s what makes you so fun to watch!

[@wes11bravo]

That transmission is a work of art!

[@rocketpocket99]

I also like how you move along in your videos It’s not about the every day it’s about getting it done

[@runsolo7418]

Need a tension plate for the winch to stop the wire birdnesting, when the pressure releases after pulling. Great video can't wait to see more Truckzilla

[@Eremon1]

Shake Hands with Danger was playing in my head during the de-cab-ing process. 🤣

[@tomcleghorn4005]

Wow I ca never get over how easy you make it look. Thanks for sharing this super cool project

[@safetymikeengland]

It sure is fun to watch a guy with some skills, tools, time and imagination working on an old tank.

[@hanselgretel8563]

It's very cool to see good old fashioned stick welding and oxy/acy torch still being used to build amazing stuff. A lot of youtube builds now use plasma tables, cnc machines etc.. dghd never fails to amaze us with their skills using mostly basic tools.

[@crispijnwind6640]

Hi Rich, awesome project! I was thinking an Allison automatic was the way to go and there you are installing one! Creative thinking on the engine/transmission adaptation but I'm not too sure how long that will live? The torque converter nose would need piloting to the flywheel and I think you'd need a proper flexplate. But maybe you're swapping in another drivetrain soon and just looking to prove the concept of the automatic? Would hate to see that transmission getting ruined, it does seem like a nicely rebuilt unit?

[@fonhollohan2908]

I can't wait to see all what get's added to this old contraption it should be a absolute blast when you finally get this thing built and back on the road or I should say, back in the swamp...LOL love the idea with the hydraulic cylinders lifting the truck up! off the frame. That's the only way to have it, easy access for later on for when you need to do any work.

[@DumbCarGuy]

Makes me wish that you were wishing that you saved that 16v71 Detroit instead of sending it off to Screaming Jimmy Heaven. I don't think you'd be short of power with that bad boy

[@donaldk.macbaird5248]

Back when I was in the Marines 69-72 I worked on Heavy Equipment we had 4-71's for 20 KW generators.

[@ericreinoehl9402]

Very interesting build, love the cylinder idea. Will be fun to see run. Thanks for sharing

[@rb3425]

Driving that redlined engine hull out from underneath that truck body was terrifying!

[@kb9oak749]

This is great content, deserves more views.

[@damianjackson9084]

I love your videos you explain everything so well you have a lot of knowledge never really been a diesel guy but there's something about the sound of the Detroit

[@brsrc759]

Now this some damn fine backwoods quality entertainment right here. Man that tape boss is a badass invention. You could totally sell that name and idea for a ton of money.

[@FlatThunder]

Bring on the engines! I like the customized / machined flywheel to flex plate conversion. Brilliant! Happy New Year Rich! 👍😁

[@Kowyn]

Rich my man take care of your back, I blew mine moving a 56 Fargo box a month ago, lost track of how much I've spent on physio now, could have spent it on my truck!

[@Modlendingen]

Nice video :) I do like the plan and how it comes together :) A 16V71 would be nice ofcourse, but I think a 8V92 with twin Holset turbos would be mint, and plenty of power through that transmission :) Looking forward to the next one!

[@markscully2342]

That is exactly what I was thinking! Later generation engine too with all the advantages that brings?

[@LostInThe0zone]

Sometime I do think you're nuts, but you are making the correct engine choice for this project.

[@SvcGlobal]

Outstanding project! Thanks for sharing with us!

[@ralphe2839]

Great show as always. Happy new year rich and gang.

[@superkheric]

This entire project and series of videos is phenomenal. I love the ambition and challenge, as the end result is the stuff of dreams.

[@species5022]

Vieze muizen.. Awesome project, having that Allison transmission is going to make this so much more fun to drive!

[@BrokeWrench]

That pinion brake should work, but it will overheat fast. Think of it as a parking brake. It will work in an emergency but not for long. So cool to see this truck getting revived. Saw it floating around in a few videos on the internet over the years

[@bryce9186]

This is a awesome can’t wait to see how this looks when it’s done

[@barntech2291]

Can’t wait to see you run the tank through its paces! I think you will be glad you took the time to add the winch. I’m not sure what you can attach the winch to if you get that thing stuck though; maybe a giant dozer or excavator?

[@martialme84]

Very slick product placement there, rich. I love it!

[@ronfrance4041]

The starters are clockable, fyi. So you don’t have to cut them. Sometimes the nose has to be cut though so the flywheel doesn’t hit it. Loving the tank!

[@DaleDirt]

Great fun but very hard work . Looks like a good vision brought to life . Lovin it , Thanks

[@avrel820]

Awesome to see the progression on the Tank Truck and you guy's doing a amazing job getting stuff done to it.. I always enjoy watching :-)

[@hunterhurley3307]

I love the fact that he’s wearing short sleeves in the beginning and it looked nice and warm, and now it’s there’s snow on the ground so this clearly took a lot of time

[@mattgraham1983]

Hell yeah Brother..... wishing you the team and family merry Christmas and happy new year👍👍

[@JDHitchman]

You have way too much fun building these projects!

[@rustynail2205]

Missed this video along the way somehow…the Bob Saget comments seems suiting somehow. Looking amazing.

[@gseyank100]

I love your out of the box thinking to create amazing machines! Thanks for sharing

[@traumgeist]

That tank is a great find, even if it wasn't built as a battle tank. You couldn't ask for a better vehicle for surviving the zombie apocalypse.

[@thomasbailey8306]

Its going too be a BEAST when Your done with the Tank...LOL..Great Job and Video... Thanks for Sharing it...

[@douglasthompson2740]

Everyone who has been around a jimmy knows they have a secondary oil system which the uninitiated call "leaks" not knowing that is to keep external rust down! Works so well you don't even have to pour the oil in the fill just dump it on top. It's heading there anyway! Screaming, dirty and dependable that's a Jimmy!

[@jeremyd5527]

You do really good work man, love your videos perfect balance between fun and knowledge

[@Scottdulrich]

I've been waiting for a long time for Rich to say "Bob's your uncle" again lol - This is a nice build!

[@lop8828]

Awesome content. Takes big bucks to open a can that big while still wrapping up several other big projects

[@david929190]

My brother and I but an intercooled 6bt in a grove rt58 crane. Had the same finger crossing moment when we mated up the the divorced transmission pump to the modified flywheel and saw 3 to sae 2 adapter plate.

[@louisroman5490]

Very good,thanks for sharing.

[@rodkeough3372]

This tank is wicked ; keep the cool builds coming Rich …

[@tallguy8452]

Don't worry Rich, I don't think you are nuts! This is the only channel where I can watch a "tank" rebuild, great video again, can't wait to see it running. Hope you give it a great paint job!

[@lisagravells802]

Ordered tapeboss the minute you said there’s only 500 left! Best decision ever

[@adamswindells1]

These things should be far more common than they are, what an amazing adaptable machine

[@trubkir]

The one thing I really appreciate about your videos is that you use the KZbin safety manual as kindling for your fireplace. I don't look all that far through your comment section but I imagine a lot of "Strenuous" conversations about the nature of safety and your approach to getting things done.

[@johnroberts4647]

You the man Deboss! Great entertainment as usual. I was thinking a 475 single turbo cat but that Detroit will be awesome. 👍👍

[@dallastrygstad3120]

Good to see you with the cosby-in-a-can. Ol zipties would be proud!😂

[@racer193wr]

Thats gonna be mint.. Can't wait to see it done.

[@jbrom985]

Great video as always sir's. However , I feel like Vince the Welder deserves a shout out after this video. Thanks Vince!

[@garyworokevich2524]

Just catching up on the DGHD channel and your hot rod Sherman, holy crap, $60,000 to rebuild the tracks ???? Staying tuned.

[@Leatherface123.]

Building a monster tank, bringing the 80s back

[@danielmoss2394]

Loving this Frankentank project Rich.

[@davidthompson245]

What a great start to the day!.

[@logout51]

Love this series already.

[@jakerichardson7973]

Gotta little train pusher at work that weighs 45000# and all it has is a caliper smaller than yours on the driveline, it wont lock up the tires but works well and is a solid parking brake. Yours will have a lot more mechanical advantage so I think it'll be mint.

[@DGHD]

I'm going to add slave cylinders under the steering (brake bands around the final drives) so it should stop pretty well

[@grooveguy]

Merry Christmas to you and yours from Nanaimo BC.

[@Dabaerr76]

Pretty sweet idea on the flywheel conversion👍👍

[@joepacelli9713]

U are incredible keep up the great work love watching u brother!!!!

[@michaeladams906]

Love this build can't wait to see more keep going hard

[@marshie1337]

very well done rich. cant wait to see where this old girl goes. i envy your mechanic/fab skills. truly incredible to watch. i'd second guess myself on literally everything and probably end up with a stomach ulcer.

[@avbangers1341]

Great content Rich!

[@JackReacheround]

It always a lovely day when i see you've uploaded a video!

[@theeToddMcgraw]

Rich, since your already adding a caliper you should add another one to the other side, wouldn’t be much extra work and give you twice the stopping power. You are already buying the pads as a set.. food for thought. Tnx for the awesome videos