Older 6ft western blower - Snowblower Forum : Snow Blower Forums
 
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post #1 of 2 Old 12-18-2016, 10:52 PM Thread Starter
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Older 6ft western blower

Hello from northwestern Montana. I've finally worn out my walk behind 33" unit after several years around my farm. I was recently given an older six foot Western single stage unit to rebuild and use. It is probably more like the actual size machine I need to keep up with drifted snow sections of my half mile road. This came with a 30 h.p. engine mounted on it, with, apparently, a hand operated clutch to engage the auger. The engine and clutch are missing from my unit. Paperwork I have says the 4' and 5' versions of this blower used a 17 hp engine. Does anyone know where I might find out more information about re-powering this unit with a more modern engine and clutch set up? I have a Chevy 1-ton 4x4 to mount this on, and can do my own fabrication work. My parts book for this unit says set the engine governor speed to 2300 rpm but what should the rotor speed then be (I don't know what the engine drive gear to driven gear ratio was....)
Any information or links you know of that might assist would really be appreciated! Thanks in advance!
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post #2 of 2 Old 08-02-2017, 03:53 PM
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Quote:
Originally Posted by MontanaAndy View Post
Hello from northwestern Montana. I've finally worn out my walk behind 33" unit after several years around my farm. I was recently given an older six foot Western single stage unit to rebuild and use. It is probably more like the actual size machine I need to keep up with drifted snow sections of my half mile road. This came with a 30 h.p. engine mounted on it, with, apparently, a hand operated clutch to engage the auger. The engine and clutch are missing from my unit. Paperwork I have says the 4' and 5' versions of this blower used a 17 hp engine. Does anyone know where I might find out more information about re-powering this unit with a more modern engine and clutch set up? I have a Chevy 1-ton 4x4 to mount this on, and can do my own fabrication work. My parts book for this unit says set the engine governor speed to 2300 rpm but what should the rotor speed then be (I don't know what the engine drive gear to driven gear ratio was....)
Any information or links you know of that might assist would really be appreciated! Thanks in advance!
================================================== =====================

Hello Andy,

I don't know if you have your snow blower up and running but I just rejoined the forum several weeks ago and I have come down with a severe case of snow blower sickness

Is the rotor chain driven off a gearbox that would have been connected to the clutch?

It is entirely possible that you can use a Hilliard PTO chain drive clutch on your engine with no more than a solid box over the clutch to keep it dry.


About the rotor speed, if the final drive for the single stage unit is chain driven like most single stage units you will have no problem setting the rotor speed with the throttle. All that is needed is the proper size chain sprockets to accomplish the work.

Its usually a 5 to 1 ratio for powering the rotor so with 2,300 RPM you will have 460 RPM at the rotor but you can run it faster with no issues as long as the rotor bearings are good.
Just keep in mind that the engines can be run higher than 2,300 RPM to run a single stage snow throwers engine.

The folks at Boston Gear or the local KAMAN industrial office can help you with this quickly.


What you need to do is decided on what engine you want to use.

Yamaha has entered the market with V twin engines and the largest one is 31 horsepower if I remember correctly and would provide you with plenty of power.

If you have a farm machinery scrap yard nearby you could buy a 4 cylinder Wisconsin engine with a Rock well clutch out of a parted out Hesston windrower.

The wisconsin engine with the rockwell manual clutch will need very little work to get it up and running though.

Last edited by leonz; 08-02-2017 at 03:58 PM.
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