When you shift a Mack transmission pause in neutral and take a drink or a smoke between shifts so you can let the revs fall so you can get into the next gear without scratching it!

Rev to 2100, double clutch, stick 'er in the next gear at 1250 and on up the ladder until you're doin' 67mph. Back down the ladder when you get to the next little hill or headwind, in reverse order. I can still do it in my sleep, and actually did way back when. I had the privilege of driving a 1977 model R tractor pulling a bulk dairy wagon for a couple hundred K miles before I made a career change. My boss didn't believe in power steering, so you almost needed a crow bar to steer it in the tight turns. He also didn't believe in A/C or air ride seats...mercy, what a ride! Wish I could do it again! Thanks for sharing.

Most reliable truck ever made.

This is the epitome a truck that has withstood the test of time. I still see many of them every day 😄

You can always count on KZfaq to bring out all of the experts

My Father was driving a Mack Dumper R600 with Intercooler, i still remember him double clutchin n lookin for the right revo. Man i loved this Truck😍

The most truckiest looking truck ever.

I used to drive one of those and on occasion, a U model as well for Cumberland Farms over 30 yrs ago. They weren't the fastest or prettiest, but they were built tough, very reliable, and would always get you home.

I loved my Mack trucks....drove them from 1980 to 1984 in Gainesville Florida. Thank you so much for a great video and you camera work was awesome. It made me feel I was back in the cab...very very cool video...Thank You!!!

There is Mack R model dump trucks all around where I live. I've always wanted to drive one. this some what fulfills that dream :)

Yes, this the most reliable truck ever made for sure no doubt!! Need to post more videos !! These trucks are a beast!!

Oh, the sweet sound of a six-cylinder four-stroke Diesel!

She sounds great buddy! 👍

Hey, Thomas! Your truck looks classic in 1980s.

EM6 2 valve mechanical mud stick 6 spd drove many R models and DM models with this drivetrain they are rock solid run circles around the new crap today and last a lot longer

Sounds fooookin incredible mate

You need a Jake on that bad boy, any time somebody tells me I shouldn’t ever shift with the Jake I tell them try driving a 5 speed Mack up a hill and tell me how it goes! 😂

I love that UwwwUwwwUwww sound it makes with every shift lol

I did the same thing first time driving an R model. Learned on a 238 Detroit with an rtoo 9513, going from that to a 237 with a 5 speed and mud stick was quite an adjustment. Went from shifting up at 2150 and down at 1800 to shifting up at 1900 and down at 1200.

I miss my old mack. She was a good ride.

Brings back memories

What a smooth and balanced engine

I drove a DM 686 mixer truck 237 with a mud stick perfect gearboxes for curb pouring 1st on the main Lo on the compound perfect speed for the masons I drove another DM 686 with a 31 yd packer body 237 with a mud stick your not gonna fast but you will get home every night there strong and reliable I also drive my buddy’s 1988 Mack RD 600 K 285 with a 12 spd Mack gearbox

Sounds like a beast

I run these r model maxitorque ext range trans from 2100-1200 or 2000 to 1100 to not wind it out so much. Only supposed to use lo and 1 and then go hi and 1 and run through gears if loaded heavy. Be in the right gear before grade or find yourself in neutral grinding away haha.

The old macks are the best...built to work hard and last

Love these old Mack’s ! I got some vids up on my Channel can’t wait to make some more

You will need to do more videos of the dump truck bud

i like i love this video

Do more of these try o get one every week

Sounds and looks just like my mack just mines 20 years older

GREAT ! +

Very nice truc i like old truck

I drove a 1988 mack roll off with a 5 speed for 10 years they're not the fastest but very dependable

Now I appreciate the 2016 Granite I drive with the t310m 8 speed trans in it

I’ve driven a lot of these Mack’s I need to buy one that ain’t rusted out

Pasan los años pasan las décadas pero siempre miras un mack serie 400 en las carreteras y construcciones del mundo

That would be me driving the Mack R Model

Good job

Not letting that e7,s rpm,s fall down enough trying to get them gears to fast grrrrrrrpopp!!😂😂😂

it hurts me to have this opportunity

hi could someone please tell me how to turn on the flashing lights of a mack dm 690 of 1993?

I’m subscriber 200.

I have a almost identical truck.

Does that r model have the em6 300 or the 285 Mack engine kinda sounds like a 300

The Australian Army are still running these trucks after being them into service in 1983.

Don't see how y'all drive a 18 wheeler!!! It looks awesome,,but also very scary!!!! The narrow road,,big truck id be afraid but it's cool though!!!!

Can somebody tell me how do u go from low to high gear with a 5 speed while driving 🤔

Put many years in one of them transmissions

Which Engine Is Used In This Truck 😲 Detroit Diesel ?????? Pls Answer Me🙏🏻

Double clutch and keep your rpm’s at 2000 when you shift

Why didn’t you use the jake for up shifting you wouldn’t grind them gears

Rough Rider!!!!!!

The motor must be a 237 Maxidyne.

how many gears the gear lever has.

So it is a twin stick 15 speed?

That thang got a hemi in it? JK but in all honesty that thing is a mechanical art piece

This is a descent transmission if your running around gravel quarries and construction sites...As for the highway, especially hilly highways...What was Mack thinking!!?? We've got one at our company. Stupidest truck ever! A Superliner with a five speed. We work in the Colorado mountains, sooo....pretty sure gears 3-5 have never been touched😂

Ruff on the gears..lol

Im sorry, but no other mack engine souds quite like the v8 thermodyne. The old maxidyne in this ol girl sounds pretty damn good too.

So a 10 speed?

I bet volvo cannot take down thise mack truck

you shift it too high, lower your rpm you dont need to rev your engine that high specialy whit those old mack

Your revving that up way too high and that’s why it is grinding it’s gears

Dude you are grinding every single gear becuase you are shifting way too early. You have to wait for your rpms to come down. You probably trying to use the clutch too. Your not a trucker are ya? Not like a school bus, these trucks don’t have synchronized transmissions. Need to match rpms to transmission speed. The owner of this truck would probably kick you in your sack if he found out you borrowed his truck without asking and then beat the piss out of it

you own that thing and cant find your own gears. damn

SnowRunner anyone?

sorry I didnt like your gear shifting.

Bring someone with you to ride shotgun and shoot the video so we can see the gear shift and pedals. We want to see upshifting and downshifting.