Sampson
ArboristSite Operative
Thank you, that makes sense. I've only worked on relatively modern Stihl saws and bar and chain data is relatively easy to find online.
Pioneer chainsaws
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On Stihl saw bars all the info you need is stamped on the bar itself near the bar pad. On Pioneer bars they did not do that but they did stamp numbers into the bar that can help identify them if one has the old bar literature. With a number off a bar I have often looked up it up in the old bar charts I have. Many times the chart can tell me the series of the bar, model name and matching chain size, gauge and pitch. The bar chart covers most bars from the early 60`s on up til 85, after that the Partner Pioneer chart takes over.
Most 1200`s came with 3/8" chain but many were retrofitted with .404 chain , it was more common around my area at that time. There is some info in the link below on the Pioneer1200,
https://www.acresinternet.com/cscc....6af40002b8f7/6432be82bc53792288256b0000115c9e
Sampson
ArboristSite Operative
Great info on that site! The only thing I can make out on the bar is Pioneer, Made in Canada. I measured the drive links and the pitch is 3/8". The gauge appears to be the same as my Stihl chains so I'm guessing it is .050. 60 DL. I have another question for you though, on the Acres website it lists the oil mixture at 16:1. Is it really necessary to mix that rich?
That sounds correct for the chain, if you have a chain in good condition then try it on the bar, see how the drive links fit.
As far as oil mix goes, no not necessary with the newer two stroke oils dedicated to air cooled engines, in my own vintage saws I have run 40:1 mix since the 70`s with no issues at all. I have had many of them apart for extensive cleanup and ring replacement, pistons and crank bearings are always nicely coated with oil. This ole saw has been running on 40:1 since 77 and always starts up with a couple pulls.
Sampson
ArboristSite Operative
That sir, is a thing of beauty! Good to know about the mix ratio. 40:1 I can see. 16:1 and I was thinking I could scarcely see what I was trying to cut.That sounds correct for the chain, if you have a chain in good condition then try it on the bar, see how the drive links fit.
As far as oil mix goes, no not necessary with the newer two stroke oils dedicated to air cooled engines, in my own vintage saws I have run 40:1 mix since the 70`s with no issues at all. I have had many of them apart for extensive cleanup and ring replacement, pistons and crank bearings are always nicely coated with oil. This ole saw has been running on 40:1 since 77 and always starts up with a couple pulls.
The mix oil back then was often automotive crankcase oil like 30 wt, it did not even mix well with gasoline, took some vigorous shaking to get it mixed up well and should be shook well every time mix was transferred to a machine. I have a restored one that looks a bit better than the one in the pic above,
telecasterfool
ArboristSite Member
I bought a used one o these a few years ago. 1200a. it looked terrible. But it wants to run! My filter looked the same. I cut a rectangle of t-shirt to fit, cut a hole for the stud and just laid it on there. So far so good. good luck with it!
Sampson
ArboristSite Operative
Thanks Telecasterfool! I was amazed how easily it came back to life running strong. They really don't make stuff like they used too. I'm excited to give it a new chain and get it in some wood!
Hello everyone. What do you feel is the longest bar a P39 will run? Acres says longest supplied was a 24. Im bucking hard wood almost exclusively and need something with a longer bar. Im thinking it will pull a 28 especially running skip tooth. Any chance at a 32?
Thanks. Jason.
Thanks. Jason.
paul hill
ArboristSite Operative
I runs some P41s in hard and dead desert oak. A 20-24 inch bar buried in a 20 inch hardwood log is about all they'll do, even with the torque of a Pioneer. If your wood was clean and green with a really sharp chain it may do a little better but I think you'd be pushing the saw pretty hard to run a 28 and definitely a 32 with a P38.
Thats the kind of info I was looking for. Thank you.
I don't know pioneer very well so I have no idea what it is, but I picked one up today!
Maybe p20 or p28?
1073
Haven't looked at it yet. Was pretty late and I just grabbed a few pics for the time being.
Thank you
If the 45/12 was based on a P 45 then that handle should fit a P 42.
FYI men, I will probably just move that pioneer I picked up. Anyone on here has dibs before I put it out for sale. If it's one you are in to, just message me.
LB6259
ArboristSite Lurker
Going to jump in here as I've also picked up a pioneer saw.
So far, all I know about it is that it spins over, but the recoil string is broke off and I haven't been able to verify spark.
I'm also missing the primer(?) assembly:
It's a little beat up, but it's something different to mess with besides the mcullochs and jonsered saws that I've been working on getting up and running.
So far, all I know about it is that it spins over, but the recoil string is broke off and I haven't been able to verify spark.
I'm also missing the primer(?) assembly:
It's a little beat up, but it's something different to mess with besides the mcullochs and jonsered saws that I've been working on getting up and running.
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