navypoppop Posted January 23, 2021 Share Posted January 23, 2021 Brocky, I used to stop there on my way from Trenton, NJ to Boston, Ma back in the early 70's. It was fine then even with the bunk room upstairs. Heck the Mayflower was OK too before it became the Pilot. Today I would not go there even if broke down. Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-467498 Share on other sites More sharing options...
mowerman Posted January 29, 2021 Share Posted January 29, 2021 On 1/22/2021 at 3:50 PM, Brocky said: OR safe to go into???? i used to go in there with my pop,in the 60s,he drove for beacon fast freight.. place was way cool back then full of nothing but real truck drivers....and yes i am also surprized its still there,,,now probably full of sweat pants and flip flops...and yes you must be pissing yourself,with that good looking rig at home now...bob Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-467908 Share on other sites More sharing options...
mowerman Posted January 29, 2021 Share Posted January 29, 2021 On 1/22/2021 at 12:35 PM, navypoppop said: Great looking Peterbilt towing the Mack. Didn't know Secondi Bros. truck stop was still open. truck is gorgeous but he needs to loose the viser.......bob Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-467909 Share on other sites More sharing options...
AMGeneral Posted February 6, 2021 Author Share Posted February 6, 2021 (edited) Well, I finally got around to doing some work and inspection on the B, all I have to say is WOW, clean and rust free is about as well as I can describe it, other than the surface rust on the fender tops and grill guard, that's it. As for the specs, It is a ENDT 675 with Jakes, it has a TRQ 720 quadraplex it has a 16K front axle and 65K rears with 9.34(!) gears. I think it is an early Warren dump bed with a Warren underbody twin cylinder hoist with no hyd tank and all air shift controls. I have all of the chrome badges and trim work for the hood, except I have 3 half bulldogs for the left side of the hood and none for the right. It is also missing the Mack nameplate for the upper radiator tank, but other than that the truck is in excellent shape with 1008 hours and 22,800 miles showing, (I'm assuming sine the restoration). Edited February 6, 2021 by AMGeneral 1 Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468376 Share on other sites More sharing options...
Mike Harbison Posted February 6, 2021 Share Posted February 6, 2021 4 hours ago, AMGeneral said: Well, I finally got around to doing some work and inspection on the B, all I have to say is WOW, clean and rust free is about as well as I can describe it, other than the surface rust on the fender tops and grill guard, that's it. As for the specs, It is a ENDT 675 with Jakes, it has a TRQ 720 quadraplex it has a 16K front axle and 65K rears with 9.34(!) gears. I think it is an early Warren dump bed with a Warren underbody twin cylinder hoist with no hyd tank and all air shift controls. I have all of the chrome badges and trim work for the hood, except I have 3 half bulldogs for the left side of the hood and none for the right. It is also missing the Mack nameplate for the upper radiator tank, but other than that the truck is in excellent shape with 1008 hours and 22,800 miles showing, (I'm assuming sine the restoration). I've got right side Bulldogs used or new,Mack nameplate also. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468388 Share on other sites More sharing options...
Bigdogtrucker Posted February 6, 2021 Share Posted February 6, 2021 Wonder what the top speed is? 1 Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468410 Share on other sites More sharing options...
tjc transport Posted February 6, 2021 Share Posted February 6, 2021 9.34 gears and a quad box??? around 50 mph. 1 Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468414 Share on other sites More sharing options...
Bigdogtrucker Posted February 6, 2021 Share Posted February 6, 2021 2 hours ago, tjc transport said: 9.34 gears and a quad box??? around 50 mph. I'd bet slower, depends which transmission and tire size I'm curious to find out. Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468427 Share on other sites More sharing options...
Mark T Posted February 6, 2021 Share Posted February 6, 2021 I used to drive a B61 with an 18 and 22" rubber. 2100 was 53 MPH. Never knew what axle ratio was . Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468428 Share on other sites More sharing options...
Rob Posted February 6, 2021 Share Posted February 6, 2021 My 64 B-61S will run 57mph with the pump properly calibrated, 18 speed quad, 10.00-20 rubber and 6.34 rears. Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468429 Share on other sites More sharing options...
Popular Post AMGeneral Posted February 6, 2021 Author Popular Post Share Posted February 6, 2021 (edited) 2 hours ago, Bigdogtrucker said: I'd bet slower, depends which transmission and tire size I'm curious to find out. Well, most data sheets I can find list the TRQ 720 as having a .66 overdrive, it has 12.00 R24 tires that are about 49 1/2 inches tall. Using an axle ratio calculator I found online, at 2000 rpm it should be about 47.8 mph I replaced the suction hoses from the cylinders to the hyd pump this evening and refilled the system with fresh hyd oil, everything work as it should with no leaks. Edited February 6, 2021 by AMGeneral 2 1 Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468435 Share on other sites More sharing options...
Bigdogtrucker Posted February 7, 2021 Share Posted February 7, 2021 46 minutes ago, AMGeneral said: Well, most data sheets I can find list the TRQ 720 as having a .66 overdrive, it has 12.00 R24 tires that are about 49 1/2 inches tall. Using an axle ratio calculator I found online, at 2000 rpm it should be about 47.8 mph I replaced the suction hoses from the cylinders to the hyd pump this evening and refilled the system with fresh hyd oil, everything work as it should with no leaks. Might as well run the speed calculator for 2100 RPMs, and it's a good thing you have that box at least it's the fastest one. And that tall rubber is great, until you have to buy some anyways LOL. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468438 Share on other sites More sharing options...
mowerman Posted February 7, 2021 Share Posted February 7, 2021 good for you,,,,,,sounds like you got a real.winner there......ya some top end helps,,,,my DM tops out at a whopping 55........15 triplex..lol.bob Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468449 Share on other sites More sharing options...
mowerman Posted February 7, 2021 Share Posted February 7, 2021 i bought a rebuilt quad box for it,,,few years back im hoping the gears are taller and it fits....55 B model.gas job......bob Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468494 Share on other sites More sharing options...
Popular Post hicrop10 Posted February 7, 2021 Popular Post Share Posted February 7, 2021 My 64 b87 with a 335 Cummins,tr1310 transmission tops out at 72mph,ratio is 9.10.I know this to be true cause a pa state trooper nailed me at that and I was flat out pedal to the floor.By the way I had a d9 with the blade and ripper still on. 6 Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468509 Share on other sites More sharing options...
mowerman Posted February 7, 2021 Share Posted February 7, 2021 Well maybe the Dyno would have run near the same amount now you know lol .... bob Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468518 Share on other sites More sharing options...
AMGeneral Posted February 10, 2021 Author Share Posted February 10, 2021 (edited) On 2/6/2021 at 7:38 PM, Bigdogtrucker said: Might as well run the speed calculator for 2100 RPMs, and it's a good thing you have that box at least it's the fastest one. And that tall rubber is great, until you have to buy some anyways LOL. It says 50.19 for 2100 rpm, but then again I didn't expect it to be a interstate truck. I really went from one extreme to the other in dump trucks here, My R685 had 34K rears and a 10k front axle with no power steering and 6.34 gears, was only double framed from the rear motor mounts to just forward of the trunnion stand and weighed 20,800 lbs with a full tank of fuel. This B815 on the other hand has 65K rears geared 9.34 ,16K front axle with power steering and is triple framed from the rear to just in front of the motor mounts, and I have no idea what it will weigh empty. Time will tell. Edited February 10, 2021 by AMGeneral 2 Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468759 Share on other sites More sharing options...
tjc transport Posted February 11, 2021 Share Posted February 11, 2021 my bet is you will be looking at just around 31,000 empty box full of fuel. Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468778 Share on other sites More sharing options...
AMGeneral Posted February 11, 2021 Author Share Posted February 11, 2021 13 hours ago, tjc transport said: my bet is you will be looking at just around 31,000 empty box full of fuel. Yeah, I was thinking north of 29,000 empty, limits me to about 12 to 13 tons I can haul here in NC. Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468826 Share on other sites More sharing options...
tjc transport Posted February 12, 2021 Share Posted February 12, 2021 wow. here in New Jersey tandem dumps are legal with 20 ton. my single axle is legal with 14 ton!! Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468839 Share on other sites More sharing options...
AMGeneral Posted February 12, 2021 Author Share Posted February 12, 2021 9 hours ago, tjc transport said: wow. here in New Jersey tandem dumps are legal with 20 ton. my single axle is legal with 9 hours ago, tjc transport said: wow. here in New Jersey tandem dumps are legal with 20 ton. my single axle is legal with 14 ton!! 14 ton!! Yeah, here in NC, single axles can gross 33,000, a tandem tops out at 55,000, tri axles at 61,800 and a quad at 68,000 lbs, if it is a longer wheelbase you can apply for an extra 10% over I think. Based on that I highly doubt I will ever over load the chassis on this truck. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-468859 Share on other sites More sharing options...
AMGeneral Posted February 18, 2021 Author Share Posted February 18, 2021 The new brake chamber from Haldex arrived today, this truck has Type 20 Maxibrake chambers on it, It was missing one when it arrived. These Maxi type chambers aren't cheap, $381 each. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-469176 Share on other sites More sharing options...
hicrop10 Posted February 18, 2021 Share Posted February 18, 2021 14 minutes ago, AMGeneral said: The new brake chamber from Haldex arrived today, this truck has Type 20 Maxibrake chambers on it, It was missing one when it arrived. These Maxi type chambers aren't cheap, $381 each. Welcome to the world of antique trucks. Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-469177 Share on other sites More sharing options...
AMGeneral Posted February 18, 2021 Author Share Posted February 18, 2021 25 minutes ago, hicrop10 said: Welcome to the world of antique trucks. I know, I collected Military trucks before, so expensive parts are not suprising. Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-469179 Share on other sites More sharing options...
mrsmackpaul Posted February 18, 2021 Share Posted February 18, 2021 For 380 bucks you could have changed all 4 over to the modern style ones Still, it is what it is I guess Paul Quote Link to comment https://www.bigmacktrucks.com/topic/65178-1965-mack-b815sx/page/3/#findComment-469200 Share on other sites More sharing options...
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