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Eats coolant

I have a 2007 ctp 713 dump truck that will use 2 gallons of coolant a day, there is no sings of leaks, I have not had it pressure tested, but have checked the lines for cuts, bulges, ect. Not going into oil. I brought a piece of equipment to a local cat dealer and he said they had issues like that with their egr valves. Does mack use egrs? I called my mack dealer but conveniently they didn't get back to me because I was looking of info, not making an appointment. Any suggestions will be appreci

empire paving

empire paving

 

Day Two: 11-20-14

Me, my dad, and my uncle met at Barnes Concrete to meet the low-bed operator who was going to pick up 'Mater. We were on the road at 7:25am. The trip was uneventful except for Barb crying at the sight of 'Mater being loaded up. With that, we were on our way back to Putnam, CT. When we got back to Barnes, we unloaded it and brought it right into their garage, where another of my uncles was working as head mechanic (my dad had also worked for the Barnes family driving trucks for 20 years before

Wobblin-Goblin

Wobblin-Goblin

 

Day One: 11-16-14

Me, my dad, and my uncle went up to Chesterfield, MA to look at 'Mater, a 1964 B61SX. We got there about an hour before dark to check the truck out. It was quite cold. The dump body was up a little bit, sitting on 6x6" blocks and it was full of frozen mud and scrap metal. The tailgate was down and chained about level with the bed and it too had mud frozen on it. The ears on the driver's side of the body were bent, not allowing the tailgate to be brought up and pinned in place. The owners had it

Wobblin-Goblin

Wobblin-Goblin

 

Looking for the right dog

G'day to all I have a B61 and recently while going to a old machine day I noticed he's the wrong bloody dog! He is a modern smooth ear for pulling the bonnet (hood) over to get at the engine. Would one of you fine ladies or gentleman have a picture of the correct dog mascot for a B61 1961 model? Thanks in advance Regards Chris BTW Bonnet is oz for hood Glovebox is oz for glove compartment And the boot is our word for trunk! Confused? Enjoy!

Para003

Para003

 

Diagnostic Blink Codes

Can anyone post the diagnostic blink codes for my 2006 mack E7 engine, or tell me where I can find them on my PC,, would much appreciate this. thanks WILLY e mail address is bill.razink@gmail.com

WILLY

WILLY

 

Electric clutch fan wire harness torn off at connetors from broken fan belt

2006 CHN with 360/385 , fan clutch wire connectors torn off & gone when fan belt went bye,bye. Have colored wires on fan clutch, BUT they connect to a maze of white 1"s. Now fan clutch never shuts off, fuel consumption is terrible & engine hardly ever reaches 180 degrees. NEED new connection hook-up & a wizard to tell me how to reconnect them. If anyone can help my email is bill.razink@gmail.com THANKS!

WILLY

WILLY

 

2001 mack vision/E7 rebuild/remack

Has anyone used the Mack engine rebuild program for E7 engines? I have a 2001 Vision E7 with a busted roller tapped. How much does it cost to rebuild the engine with Mack's Remack program? Is it a smart way to go? What are the pros and cons, etc. Thanks

Jake0012

Jake0012

 

Help 1989 Mack 350 dies under a load

Loses its prime when sitting then hard to start . The truck will start and idle and rev up fine but put it on the road and it dies. It also doesn't want to build rpms unless going downhill. It will restart after it dies and idle and run under no load. Changed fuel filters twice. The fuel is probably two years old but looks and smells ok. Where do I go from here? Thanks Gents.

Butchee

Butchee

 

air compresson change ?

Hi need help mechanic is busting me , my entire air syst seems to be contaminated with brownish black type of dirtish oil and its cgging my hoses ruining my braks system and the tanks are all contaminated , do I need a new compressor or is a filter ? the mechanic cleaned the air tanks and they were full of this material , and the air systems is constantly getting clugged ... what coud it be I feel the mechanic is cleaning but not fixing my main problem help!1

Harry MTrucks

Harry MTrucks

 

Whats the best dump truck model to buy that least breaks down

I own a fleet and have had some bad luck with a couple of mack rb 1999 electrical wanted to know whats the truck model that least breaks down and takes a lot of hard rough work a strong car I can only buy around the 1994 -2000 range cause of my budget. Please help . I own a DM is done pretty good just would like some suggestions buying a new fleet soon. also is it normal for trucks to be breaking constantly or a good trucks should be a ble to take a beating before it eventually needs fixes??

Harry MTrucks

Harry MTrucks

 

black smoke

Need some help! My ch 600 1994 is running in 5 cylinders and pumpimg black smoke.litle power. I replaced the inyector number 6 after identifying that one was running bad,No improvements.So I changed the delivery valve of injector number 6. still no improvement. I tried using the new inyector number 6 on number 4 and is ok but back to 6 it does not work. Calling around they tell me ,why dont you check the compresion ,may is the the valve on piston number 6.Others think may be is the fuel inye

driente

driente

 

Spicer Auxiliary transmission

I had ask for help in a earlier post, locating a Spicer 5831A gear box. I have had a lot of response helping me locate one and others have given suggestion on the installation. I would like to Thank everyone for that. But It has been pointed out to me by several, that the 5831 may be a little small going behind a old 300 Mack engine, and that a 8000 series Spicer would be closer in line with the torque. NOW! the question is does anyone know where I might find something like a 8341 which is a 4 s

Don Wilson jr

Don Wilson jr

 

e7 jake brake

I run a 96 rd log truck 350 e7 with jacobson engine brake, I hav never had a mechanical mack with jakes. we have 8 macks in our fleet and the only 2 that have jakes are the cl with cummins isx (junk engine) and the 04 granite with e7 427, the granite works awesome even with 800k on original engine, whats up with the mechanical e7 jakes?? useless!!!!! my question is, can u put jakes from an etech e7 on an older mechanical e7, if so is there any mods or has enyone done it. I haul over 90 k evry

jasonz44124

jasonz44124

 

2000 triaxle dump rear hub is hot. Anyone no why?

2000 rd688s triaxle dump, change rear diff oil still running very hot. Any reasons? Me and brother new at dump business. Already spent more than thought we would of start up money. Now between rain and breakdown I'm getting very concerned if we will make it. So any info will surely help. Thanks my brothers.

Curtis H.

Curtis H.

 

Need help with End 711 Gaskets

I am tearing down my 1965 B61ST. Need to get the engine cleaned up and painted. I have decided that it would be much easier if I remove a bunch of the plumbing as well as the exhaust manifold and valve covers (valve covers have a gasket leak going on anyway). Can anyone tell me where I can purchase another set of intake and exhaust manifold gaskets, and valve cover gaskets?? Engine is an End 711 (non-Turbo). I would appreciate any help on this I can get. Thanks, Razorback11

razorback11

razorback11

 

RD Fuel Tanks Wanted

Looking for aluminum or steel fuel tanks for RD688S 56-59 gallon. Either side, they are interchangable. Mack Part Number 2MB4957AP6. We run a fleet of these trucks so the more the better, we can always use them. Thanks

cobrascj

cobrascj

 

Frame Rails RD

We run a fleet of RD688s dump trucks, we are looking for a supplier or manufacture of new frame rails. We hope to increase thickness, these trucks are run on logging roads daily and are worn out. Any help on where to find replacement steel rails is appreciated. Thanks Steve

cobrascj

cobrascj

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