Eriksf250

I know this is an old thread, but hoping someone can help me. I have an 84 r688s with a 237 and trxl1071 at work. Trying to talk my boss into swapping the trans out for a 9 speed overdrive mack transmission for better gear spacing for heavy loads and overdrive for better road speed. Would a t2090 swap in with little to no modifications. I know it'll have to be plumbed with airlines. I'm trying to find the cheapest easiest way to make it more convincing.

Good evening everyone, I have an 84 R model at work with a 237(originally a 300 truck), maxitorque 6 speed twin stick. It has 11r22.5 tires, 38k rears, and I believe a 5.something gears( does about 68 at 2300 rpms. It's finally getting some much needed work (turbo, exhaust manifold, intercooler, air compressor, gasket revealing, valve adjustment, torque arms, air dryer, radiator, and pulling the transmission because some of the bolts for the transmission to flywheel housing were either loose or missing. I'm trying to talk my mechanic and boss into switching out the transmission for something with more gears and an overdrive to keep the rpms down on the highway a little. We've had some granites with the maxitorque t310ES 10 speed transmission and I really like how it's setup and shifts. It will retain the multispeed reverse like the 6 speed, has low low gearing for heavy loads like the 6 speed, has better gear spacing for that 237, and has a .73 overdrive. My question is, will that bolt in directly in place of the 6 speed without modifying driveshaft length and be able to use the existing flywheel housing? I know air will have to be plumbed and probably a new hole in the floor for the shifter. Will the mechanical speedometer work with it? I was also thinking of the maxitorque T2090 as well since that's an overdrive as well. Another quick question too as far as the engine. This truck was a 300 and now has a 237.are the turbos different between the two? Would there be any benefit in power? Just curious lol. It's the truck on my profile hooked to the 55ton lowboy with a 330 cat excavator on it

Good morning, I have a new '22 Granite dump truck with an Mp8 455 and an Mdrive 12spd. Has anyone with this setup ever tried tailgating a load and have been able to have the PTO working and raise the body while moving? Our whole company is new to this mdrive setup and trying to learn more about it.

I found them in stainless on Amazon, $16 each on the grand general store. Thank you guys for your help, I'll post some pictures when I get them on

Would it be the caps that fit 8.5" axles with 5/8" studs?

Good morning everyone, my brother in law just bought a 95 rd688sx dump truck and we're looking to find stainless steel hubcaps for the rear axles. Would anyone know if they sell any for these trucks? It's a Dayton rear, 44k or 46k axles I believe. I'm almost sure you can get chrome ones, but I'd like to get stainless steel if I can

They're 300s, I apologize, I'll correct it in the listing

2- 1994 Mack DM690SX tri axle dump trucks, e7-300 mechanical maxitorque 7 speed transmission, 15k steer, 52k rears. 1 truck is a parts truck for the other. The parts truck has a good trans. The other truck runs and drives excellent. It has a rebuilt engine and rebuilt rear. It has a popping noise in high range in the transmission, but the parts truck has a good transmission for it. Electric tarper works and has a good tarp. Truck brakes are good and good tires, 11r24.5s. Dump body in good condition. Both trucks for $17,000 or best offer. Price includes delivery up to 100 miles from Millsboro, Delaware or can deliver both trucks further than 100 miles for a fee. Contact Billy at 302-296-8429 or Daniel at 302-344-2250 for more information.

You're welcome

I've seen them listed on Raneys website

Is he the gentleman who bought grandpa? Is he a member on here? I know my brother in law said he would like us to come see it when he's done 😄

True, but I'm glad it will be fixed up and preserved

My brother in law sold grandpa yesterday 😔 I'll miss that truck and all the work I've done to it. A guy in Baltimore bought it and plans to restore it and put it in his museum with this truck. I'm glad it will be fixed up and given it good home. I hope he's on here and can see my post