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    1. Introduction Forum

      Welcome to the New BigMackTrucks.com Forums! Take a minute to create a new post here and introduce yourself. Tell us a little about yourself and your passion for old iron!

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    2. Truck Stories

      This is a forum for you to tell us about your truck's history! Every old truck has some type of story behind it and we would love to hear about it! Be sure to include photos if possible...

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  2. General Discussions

    1. Antique and Classic Mack Trucks General Discussion

      This is where you can talk about anything related to antique or classic trucks! If your topic is something specific, try to use the correct forum below.

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    2. Modern Mack Truck General Discussion

      This forum is for general discussions about modern Mack Trucks! Granite, Vision, Rawhide, Pinnacle...etc. Specific topics can be posted in the forums below.

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    3. Mack Dealer & Corporate Forum

      This forum is for Mack Dealers and Mack Corporate personnel only. If you are a Mack Dealer, or Mack Employee, PM the forum moderator below with your name and dealer code and you will be moved to the Dealer Group and be able to participate in this forum.

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    4. Mack Truck Q & A

      This forum is for pressing questions concerning Mack Trucks...emergency maintenance questions, pre-purchase questions, etc...answers can be rated by users and the higest rated answers will show first!

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    5. Mack on the Silver Screen

      This forum is for discussing various TV shows, commercials, music videos, songs and movies that had Mack Trucks in them!

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    6. Mack Scale Model and Diecast Corner

      All discussions about Mack scale model building and diecast models go here!

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  3. Specific Topic Forums for Antique & Modern Trucks

    1. Engine and Transmission

      This forum is for engine and transmission related topics

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    2. Driveline and Suspension

      This forum is for driveline, carrier, front and rear axle, steering and suspension topics

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    3. Air Systems and Brakes

      This forum is for Air System and Brake related topics

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    4. Electrical, Electronics and Lighting

      This forum is for electrical, lighting and mobile electronics topics

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    5. Exterior, Cab, Accessories and Detailing

      This forum is for topics about exterior, cab, paint, trim, bumpers, emblems, visors and also topics about keeping that truck looking its best!

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    6. Fire Apparatus

      Forum for discussions about Fire trucks and specialized fire fighting equipment.

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  4. Odds and Ends

    1. Odds and Ends

      This forum is for non-truck related topics. Talk about interesting web sites, current events, tell jokes, post funny photos...etc.

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    2. Trucking News

      News and information from the entire trucking industry

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    3. Other Truck Makes

      This is the place to show off all your other trucks that are not Macks. They can be antique or modern trucks.

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    4. Tractors and Equipment

      This forum is for you to talk about Farm Tractors and other misc. equipment such as trailers, dozers etc.

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  5. Market Place

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    3. Feedback Forum

      Please leave feedback for other members you have done business with here. This will help members trust (or not trust) other members. Please be professional with your remarks...good or bad.

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    4. Transportation Board

      This forum is for posting and finding transportation opportunities for your antique hobby trucks and parts around the country. Please keep rates reasonable when posting a route...

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    5. Watt's Truck Center   (232,323 visits to this link)

      Click here to visit the Watt's Truck Center Home Page featuring The B-Model Store and tons of other parts for Antique and Classic Mack Trucks including R-Models, Super-Liners, DM's and all current models!

    6. Product Announcements & Group Buys

      This is the forum where we will post new product announcements and Group Buy Information from the B-Model Store! You can discuss them and/or ask any questions you may have here.

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  6. Shows and Events

    1. Truck Shows and Events

      This forum is for topics about truck shows and other events of interest.

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  7. Site Related

    1. Site Related Topics

      This forum is for BMT related comments, suggestions or problems.

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    2. BMT Wiki Support Topics

      This forum will hold the support topics created from the Wiki System.

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    3. Test Forum

      This is the place to practice posting photos or testing code. Topics may be removed at any time...

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  8. Club Forums

    1. Mack Trucks Memorabilia Collectors Club Topics

      This club page is for all Mack Memorabilia discussions

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  • Latest Posts

    • terry
      Young Guy, Old Mack (B61 Dump Truck)

      By terry · Posted

      12,000 pound axle is kind of small for a tandem axle dump truck, will wear the kingpins out pretty quick. Also pretty weak springs for alot of weight on the steer axle.  terry
    • FarnorthMN
      Mack E6 4v HP??

      By FarnorthMN · Posted

      @mrsmackpaul Econdyne but that i am unsure of.   Econdyne was the first of the 4v from what I understand.    I Apologize for my ignorance 
    • FarnorthMN
      Mack E6 4v HP??

      By FarnorthMN · Posted

      1986 I believe assuming the engine has never been replaced.  the intercooler is mounted to front side of the cooling package.    
    • The Rubber Duck 006
      1988 RD690S

      By The Rubber Duck 006 · Posted

      Would've been a Good dog to put a Moo Dawg Brew Tanker on and acouple Cheater Axles on it too!
    • rasnodgrass
      B67LT Fuel tank

      By rasnodgrass · Posted

      I just purchased a1959 B67LT. The passenger side fuel tank does not have steps. It has a manufacture tag dated 1/58. Was this standard on some models at that time? Thanks
    • mrsmackpaul
      Mack E6 4v HP??

      By mrsmackpaul · Posted

      What year is it Assuming now it's either a Thermodyne or a Econodyne  Tip turbine or chassis mounted intercooler ? I am assuming the inter cooler is in front of the radiator    Paul
    • Smoothy
      Young Guy, Old Mack (B61 Dump Truck)

      By Smoothy · Posted

      Well, I have been running the R model off and on when I can find the work, it has steadily been trickling in. I have been doing mostly hauling stone out of the quarry for driveways and such so far this winter. It's been a pretty fun year with the new truck, and good news is I have a pretty big job coming up for it. I've had to replace a few things, like a brake chamber and some lights. Had to fight through the cold and snow just to get her started up after cold soaking for a week while I was in Texas. But, it has beat the 9-5 redundancy I was used to and I'm enjoying the adventure. I hauled a load of rock today at probably 80 miles round trip and when I landed back at home, I noticed a drip from the passenger front wheel seal leaking down the backside of the hub. Yipee for me, shouldn't be too bad to do, just hope nothing is torn up. Anyways, this sent me down a path for finding a parts diagram or part numbers. So I referenced the original build sheet to find my axle. The truck has the FAW537C 12,000lb front axle. It got me thinking about the GVWR on my truck. It's rated for 48,860lbs. Referencing that sheet again, it says that the 10,860lbs listed under "tire and rim" is my gvwr for the front axle, of course because they are lowest rated components. So, my question is, was it the wheels or the tires that were at their limit at 10,860#? I think I have H/16 ply steer tires on at the moment that are rated for 6610 a piece. Am I right in thinking this bumps my GVWR up to 50,000 pounds if the limit was the original tires? And I'm sure there's a chance I might need to get it verified in some way too. I'd sure like to be able to haul a 14t load. It's all new to me, so I'll go back to looking for parts.  02.pdf
    • FarnorthMN
      Mack E6 4v HP??

      By FarnorthMN · Posted

      Sorry Paul should have gave that info right off the bat.   1986 Mack Superliner RW613 Mack E6 4V  HP??  Assuming 350HP Mack T2090 9 speed mack 4.64 rears with Neway air ride 

  • Latest Topics

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  • Recent Status Updates

    • the_IRFmack

      the_IRFmack

      - I double sticked and old Mack to feed a stone crusher in 12 and 14 hour shifts six days a week all summer to pay for my chemistry degree.
      - Because I wanted to sleep for 1 min and 26 seconds each trip out of the quarry at the crusher's vibratory dump box at the top the quarry during those 12 hour shifts, I bulled the old MACK up long 20 degree and sometimes steeper grades.
      - THAT meant that I split each gear 1, 2, 3 after coming out of boggy low.
      - All I did was rev to the right engine note, reach my left arm down through the steering wheel to hold the curve I was on or hold the truck's path steady; slip out of 1st, throw the 2nd stick high into low and slip into 2nd gear... rev to the right engine pitch, slip to high.
      - Then when it was time, reach through the wheel again, slip high to low and 2nd to 3rd {if I correctly remember 60 years ago}.
      - The Igneous rocks were too heavy and the grade too steep for me to ever get into 3rd high.
      - The crusher team were the mechanics for everything and had replaced the old Mack's tranny gears because they had been ground too much. - - They later told me they didn't believe me when I told them I slipped all my shifts because the gears showed no wear.
      - Except for start and stop; Not once did I use the clutch because that made my leg ache too much after an hour or so.
      - I slipped all my standard 4 speed shift vehicles all my life...just to be with the music of the engine and car or truck.
      · 0 replies
    • the_IRFmack

      the_IRFmack

      - I hardly ever change disc pads or brake shoes because I always slipped my gears downshifting...
      _ I learned that because the synchro rings got shot on my 1968 Volvo 122S 2-Door 4-Speed with an electric overdrive because I stupidly speed shifted and ruined them. https://bringatrailer.com/listing/1968-volvo-122s-17/
      - [Note: That Volvo's original owner was a Canadian Submarine Captain who rallied it and that is why it had Volvo's unique electric overdrive.]
       
      - {I clear coated over the bone white with Cadillac Firemist Green and painted the grills Black because they were dented...gosh it was stunning.}

      · 0 replies
    • Richie s

      Richie s

      My phone number is 845 475 7176 if anyone can help with parts
      · 0 replies
    • Richie s

      Richie s

      I have no idea what I'm doing with this stuff I'm using my phone but I need a Jake for my truck 
      · 0 replies
    • TJ Lincoln

      TJ Lincoln  »  James Lythall

      Don’t know how far you are on your 47 Fire rig. However I have a fresh reman engine out of a 48 EE plus the 4 speed PTO trans. Have a 47 EE also. Not going to use the engine as I have either a 12 valve Cummins or a big block Ford I can use. 
      · 0 replies

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