rhasler

What kind of engineers are they (powertrain, cab and chassis, etc.)? I wish them good luck.

Another one: RL755LST 011231 Built 5/1/72 RTO12513 Transmission, 1693TA Engine, RSA380 Rear Suspension, 4.62 SSHD Rear Drive Axles I think this truck and 011230 were ordered on the same GSO, they both have 11GB91068P49. Rob's truck and RL755LST 35358 have 11GB91253P5

All of the records I've looked at show day cabs. Being that it had aluminum rails, I would say it's safe to say that it was a 755LST, whether an RL or an RS.

OK, I've found four RL755LST chassis in addition to Rob's. They are as follows: RL755LST 011230 Built 4/28/72 CA114 Cab, RTO12513 Transmission, 1693TA Engine, RSA380 Rear Suspension RL755LST 028683 Built 9/19/75 CAL49 Cab, RTO12513 Transmission, 1693 Engine, Camelback Rear suspension, 9.59 Ratio (I think there's a typo in this information, the rear axle says it's a 4.50 ratio, the front says 9.59) Mack 92/93 Rear Drive Axle RL755LST 035358 Built 8/26/77 (Built on the same GSO as Rob's) CAL49 Cab, RTO12513 Transmission, 1693 Engine, Camelback Rear Suspension, 4.17 Ratio Mack 92/93 Rear Drive Axle RL755LST 035443 Built 7/19/77 CAL49 Cab, RTO12513 Transmission, 1693 Engine, RSA380 Rear Suspension, SSHD Drive Axle Does anyone know for sure that this truck had aluminum frame rails?

Rob's truck is RL755LST 35359, there was another truck ordered on the same GSO, 35358. I think that was the one that was wrecked, Rob should be able to clarify that. I'll give it a look and see what else I can find.

That's some good detective work there Trent. Was it an RS or an RL? If you can find out the serial number by any chance I can probably find out what the specifics of the chassis were. What you found out about the suspension and sleeper reinforce what I have seen/been able to figure out about what the truck likely had when built.

Can't argue that. Kind of like an old time version of the Superliner, it always looks good.

It is.

I'm not sure what happened to them. They also used to have the chassis sheets showing all of the basic dimensions of the truck up there too, but they mysteriously disappeared from the website sometime around 2003 or 2004.

The spec sheets show a 3.11 ratio, it's for the new CRD150/151 series differential. As far as I know the CRD92/93 differentials are no longer being put in new trucks. S40 TAN068 2010.7.26.pdf

My thoughts exactly! Go for it Randy ol' boy! I think it's only about 50-60 miles from Dallas...c'mon, you know you want to!

I must say I'm sort of partial to the Jansen Transport/Convoi Exceptional trucks.

Sounds great too. How many trucks at the show?

Nice. If Mack was still making R series trucks I would think some of those could be publicity photos.

Happy Easter Mark, hope you don't find any rotten eggs!

It seems like I remember Cummins having some kind of recall or an issue of some kind with their oil filters plugging because of the filter media not too long back.

Because a new Econovance will cost you $3900.00!

Pretty close, it belongs to Weatherford.

A few more pictures

I remembered too Trent, it was an M50X. Took me a while to find it but it was here: http://www.bigmacktrucks.com/index.php?showtopic=18317&pid=74492&st=0entry74492

That truck has the mDrive (iShift) automated manual transmission in it.

The rear ends were made by Dana Spicer, I think Meritor is making them now. I have also been told that the frams were once made by Spicer but I don't know if that's true. The frames are currently made by Metalsa (maybe spelled Metulsa, I can't remember). The steer axles (FAW series) were made by Westport Axle for a long time.

I'll get more pictures of this tomorrow.

Thanks Doug, I'll PM you in the next day or two with some specifics. Thanks again.

SPN 5394 is for the DEF dosing valve, that's about all the information I have on the fault code though.