Jeff Wenner 1 Posted December 30, 2018 Share Posted December 30, 2018 Can anyone ID the crawler in this photo? Taken by my grandfather on the River Rd in Nisbet, PA in 1958. Link to post Share on other sites
mike newman 2,299 Posted December 30, 2018 Share Posted December 30, 2018 ......well....it looks to me like a D6 . Model 9U Caterpillar ......That would be my best guess !...and I imagine that would be seriously cold out there Mike Link to post Share on other sites
pede 10 Posted December 31, 2018 Share Posted December 31, 2018 My Dad did this back in the early 50's around here, made a 25mile loop in a very long day on an open cab 14 with state police following using his lights for guidance, state called the next day to ask if he'd go 50miles away for another round.....he said no! Link to post Share on other sites
Deas Plant 0 Posted January 1, 2019 Share Posted January 1, 2019 Hi, Jeff Wenner. I'd say it was Caterpillar D7, maybe a 3T or a 17A. The fuel tank, seat and exhaust don't look right for a D6 9U. I suspect it might have been a little 'fresh' out there doing that job too - not for this little black duck. Those old girls seemed to be a LOTTTT better at heating things up around the operator when the weather was hot than when it was cold. Thanks for sharing and Happy New Year. Just my 0.02. You have a wonderful 2019. Best wishes. Deas Plant. Link to post Share on other sites
DOCTOR EVIL 598 Posted January 1, 2019 Share Posted January 1, 2019 Must have been in the mid-1960's, got a big snow in January, like 10-12 inches with some drifting. Our township had a late 1950's vintage Austin-Western road grader, 4-53 Detroit engine, 6x6, torque converter drive thru the 6 speed manual trans, and a steel cab with heater that was just slightly less noisy that sitting in the crankcase of the engine. Was sometime Saturday and we hear a big commotion, here's the road commissioner in the Austin Western with the BIG V plow and wing running along at a really good speed, first vehicle of any kind we'd seen for a couple days. Immediately behind the township's grader was an open station CAT #12 grader pushing the Austin-Western. The decal on the Cat was for a local construction company whose family went to our church. Whole family sang in the church choir except Mom, and she played the organ. The. Dad wasn't at church that Sunday, bet he was still trying to thaw out! Link to post Share on other sites
Rawleigh99 836 Posted January 3, 2019 Share Posted January 3, 2019 He was probably trying to get his voice back! LOL Link to post Share on other sites
Pukeko 59 Posted January 5, 2019 Share Posted January 5, 2019 On 1/1/2019 at 11:01 AM, Deas Plant said: Hi, Jeff Wenner. I'd say it was Caterpillar D7, maybe a 3T or a 17A. The fuel tank, seat and exhaust don't look right for a D6 9U. I suspect it might have been a little 'fresh' out there doing that job too - not for this little black duck. Those old girls seemed to be a LOTTTT better at heating things up around the operator when the weather was hot than when it was cold. Thanks for sharing and Happy New Year. Just my 0.02. You have a wonderful 2019. Best wishes. Deas Plant. On 1/1/2019 at 11:01 AM, Deas Plant said: Hi, Jeff Wenner. I'd say it was Caterpillar D7, maybe a 3T or a 17A. The fuel tank, seat and exhaust don't look right for a D6 9U. I suspect it might have been a little 'fresh' out there doing that job too - not for this little black duck. Those old girls seemed to be a LOTTTT better at heating things up around the operator when the weather was hot than when it was cold. Thanks for sharing and Happy New Year. Just my 0.02. You have a wonderful 2019. Best wishes. Deas Both the D6 9U and D7 17A,s look very similar when viewed from the rear.They have the same fuel tank ( 65 gallons )and seat,the track guage is the same -74 inches.( 60 inches on D6 8U)The main difference is the exhaust is on the right side on the D6,while it is on the left side on the D7.As far as the cold goes,we would be working in northern Canada in the winters(late 70,s ,on 6,7,s and 8,s with no cabs ,just Rops and pieces of tarp.Some days (and nights ) it got as low as 55 below C. The D6,s were the warmest tarped in all round,plus a piece of tarp over the steering clutch levers to keep the heat in .Fans reversed and rad had to be clean ,and you kept working them,especially when ripping in the frost with the D8s.They were the coldest ,as you were sitting up high like a bump on a log. Link to post Share on other sites
mike newman 2,299 Posted January 5, 2019 Share Posted January 5, 2019 5 hours ago, Pukeko said: Both the D6 9U and D7 17A,s look very similar when viewed from the rear.They have the same fuel tank ( 65 gallons )and seat,the track guage is the same -74 inches.( 60 inches on D6 8U)The main difference is the exhaust is on the right side on the D6,while it is on the left side on the D7.As far as the cold goes,we would be working in northern Canada in the winters(late 70,s ,on 6,7,s and 8,s with no cabs ,just Rops and pieces of tarp.Some days (and nights ) it got as low as 55 below C. The D6,s were the warmest tarped in all round,plus a piece of tarp over the steering clutch levers to keep the heat in .Fans reversed and rad had to be clean ,and you kept working them,especially when ripping in the frost with the D8s.They were the coldest ,as you were sitting up high like a bump on a log. ........so what is your call, Pukeko ????!!!! Deas you think it is a D7 ? Mike Link to post Share on other sites
Pukeko 59 Posted January 5, 2019 Share Posted January 5, 2019 5 hours ago, mike_newman said: ........so what is your call, Pukeko ????!!!! Deas you think it is a D7 ? Mike Yes,I forgot to say in my last post that it was a D7. Position of the exhaust is deciding factor. Link to post Share on other sites
mike newman 2,299 Posted January 7, 2019 Share Posted January 7, 2019 ......OK...I stand corrected.......no cigar....again !!!!!......at least I didn't call it a Bristol...or something equally wayward On 1/6/2019 at 5:07 AM, Pukeko said: Yes,I forgot to say in my last post that it was a D7. Position of the exhaust is deciding factor. Link to post Share on other sites
Jeff Wenner 1 Posted January 11, 2019 Author Share Posted January 11, 2019 So the consensus is a D7? Thanks for the info, guys! I knew I'd get an answer here even if it isn't IH. Link to post Share on other sites
Pete1468 1,458 Posted January 12, 2019 Share Posted January 12, 2019 The dead give away is what side the tilt cylinder is on. 7's we're on the right, 6's on the left. Accordingly to that it's a 7, although I thought it was to short for a 7. Link to post Share on other sites
poor farmer/logger 633 Posted January 14, 2019 Share Posted January 14, 2019 My first thought was a D6 9U as well. This is a D7 3T I believe. Picture was taken in 1951 when they were building the house my mom grew up in. I might be wrong though too as I'm no expert in the matter either. It is possible it's a very early 17A as well. I thought they came out later but I could be wrong.(the one in my pic) Mike you'll appreciate the bent exhaust pipe on it lol. Link to post Share on other sites
hector gemme 3 Posted January 14, 2019 Share Posted January 14, 2019 THIS DOZER IS A D7-3T WITH THE STARTING ENGINE ON LEFT SIDE AND FUEL INJECTION ON RIGHT SIDE Link to post Share on other sites
Rawleigh99 836 Posted January 14, 2019 Share Posted January 14, 2019 Man I would knock myself out on that canopy! I would need to wear a hard hat! LOL! Link to post Share on other sites
poor farmer/logger 633 Posted January 14, 2019 Share Posted January 14, 2019 3 hours ago, Rawleigh99 said: Man I would knock myself out on that canopy! I would need to wear a hard hat! LOL! Steel must’ve been pretty expensive they sure didn’t go any higher then they had to lol. Link to post Share on other sites
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