Rob Posted July 24, 2011 Share Posted July 24, 2011 A single axle Mack R model dump truck with a natural aspirated 237 engine!http://cgi.ebay.com/ebaymotors/Mack-1977-R-Model-Dump-_W0QQcmdZViewItemQQhashZitem4aad2b2b3eQQitemZ320732867390QQptZCommercialQ5fTrucksI'm afraid he doesn't quite know what he's got there.Rob 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/19883-this-one-has-to-be-rare/ Share on other sites More sharing options...
theakerstwo Posted July 24, 2011 Share Posted July 24, 2011 I suspect that is a older engine than the truck is. I see it does not have the twin P intake manifold as well s no oil cooler and a generator. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82338 Share on other sites More sharing options...
Rob Posted July 24, 2011 Author Share Posted July 24, 2011 Yup, looks like someone slipped an older END673 and transmission into the truck to me.Rob 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/19883-this-one-has-to-be-rare/#findComment-82339 Share on other sites More sharing options...
theakerstwo Posted July 24, 2011 Share Posted July 24, 2011 I also see it has the 500 luberfiner oil filter meaning it is a maybe 1960 or older block. It may have been a glider kit. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82341 Share on other sites More sharing options...
Superdog Posted July 24, 2011 Share Posted July 24, 2011 If the VIN he lists is correct,it was a glider kit. Quote Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82360 Share on other sites More sharing options...
leversole Posted July 24, 2011 Share Posted July 24, 2011 I also see it has the 500 luberfiner oil filter meaning it is a maybe 1960 or older block. It may have been a glider kit.I guess I'll never know unless I ask, I see it mentioned often...what is a "glider", or "glider kit" Quote Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82373 Share on other sites More sharing options...
Rob Posted July 24, 2011 Author Share Posted July 24, 2011 I guess I'll never know unless I ask, I see it mentioned often...what is a "glider", or "glider kit"They are a new cab and chassis minus engine, trans, rears, and driveline. Usually had a radiator that was adaptable for many engines.Rob 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/19883-this-one-has-to-be-rare/#findComment-82375 Share on other sites More sharing options...
leversole Posted July 24, 2011 Share Posted July 24, 2011 They are a new cab and chassis minus engine, trans, rears, and driveline. Usually had a radiator that was adaptable for many engines.RobWere they done at the factory? Or a dealership? So, the crux of it is that the parts you "see" are new, but the mechanicals are original, and is this a negative?!? Quote Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82378 Share on other sites More sharing options...
Rob Posted July 24, 2011 Author Share Posted July 24, 2011 Were they done at the factory? Or a dealership? So, the crux of it is that the parts you "see" are new, but the mechanicals are original, and is this a negative?!?Not a bad thing at all. Much less expensive than purchasing a new truck using a drivetrain of your choosing. Gliders were built at the factory and finished by either a dealership to the customer's desire, or by the customer themselves. They were a cost effective solution for a basically new truck at less cost.Rob 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/19883-this-one-has-to-be-rare/#findComment-82383 Share on other sites More sharing options...
leversole Posted July 24, 2011 Share Posted July 24, 2011 Thanks for the info! Quote Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82384 Share on other sites More sharing options...
vision386 Posted July 24, 2011 Share Posted July 24, 2011 You never do know till you ask,and Rob is quite right,a Glider is just basically a new truck without engine,trans rears etc. they were once more popular then they are today,but the new epa laws etc. have a lot to do with that.Many were purchased to re-finish a wrecked or obsolete truck,just took all you needed from the donor truck,and add it to the new frame rails,at one time you could even have the frame pre-drilled for a certain set-up,so it was basically an all bolt on operation.......Mark Quote Mack Truck literate. Computer illiterate. Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82408 Share on other sites More sharing options...
Freightrain Posted July 25, 2011 Share Posted July 25, 2011 Kinda like the "BCR" trucks(a B model into an R model).One question: Did they have left side starter back in the 60's. I'm thinking it's a 2 stick 6 spd, not a duplex. Someone might have slipped that old motor in to replace a blown up 237? If it is a 6 spd, I bet it's a real dog with that ol 180 hp motor. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82451 Share on other sites More sharing options...
jaysm35a2 Posted July 25, 2011 Share Posted July 25, 2011 Were the 2 stick 9 spd overdrive duplex's in alot fo trucks in the 60's? Quote Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82454 Share on other sites More sharing options...
41chevy Posted July 25, 2011 Share Posted July 25, 2011 Wasn't there a factory kit to up date a B to an R style model? Paul Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82456 Share on other sites More sharing options...
jaysm35a2 Posted July 25, 2011 Share Posted July 25, 2011 Yes the BCR Quote Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82461 Share on other sites More sharing options...
Underdog Posted July 30, 2011 Share Posted July 30, 2011 Kinda like the "BCR" trucks(a B model into an R model).One question: Did they have left side starter back in the 60's. I'm thinking it's a 2 stick 6 spd, not a duplex. Someone might have slipped that old motor in to replace a blown up 237? If it is a 6 spd, I bet it's a real dog with that ol 180 hp motor.My '63 F607 has the left side starter. If it is a glider, I would assume the duplex came along with the 673 engine.Gregg Quote Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82721 Share on other sites More sharing options...
mowerman Posted July 30, 2011 Share Posted July 30, 2011 seems the gliders,were more popular in the 60,-70,s bob Quote Link to comment https://www.bigmacktrucks.com/topic/19883-this-one-has-to-be-rare/#findComment-82723 Share on other sites More sharing options...
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