Uploaded March 2023 | Updated September 2026, 1 week ago
Today we'll be working on this Allis Chalmers 811 GT II that came into the shop with a Drive Belt issue.
My customer was using this machine to plow his driveway when the drive belt slipped off. He called his nephew who came over to reinstall the drive belt, using the parts diagram for reference so he could reinstall the belt.
However, he didn't know there is an error on the parts diagram, and thus the diagram shows the incorrect routing of the drive belt.
The photo in the Drive Group diagram needs to be mirrored (or flipped horizontally) to produce the correct drive belt routing.
Due to this mistake by Allis Chalmers, my customers nephew installed the belt improperly, which spun the transmission in the opposite direction.
This meant that when my customer shifted into any of the 3 forwards gears, the riding lawn tractor drove in reverse.
In today's video, I'll show you how to properly route the drive belt, as well as how to properly adjust the clutch/brake.
This link will show the incorrect belt routing: partstree.com/models/811-gt-ii-1690452-allis-chalmers-garden-tractor-11hp/drive-group-2
The proper drive belt diagram can be seen at 6:21 on this video.
Drive Belts;
1665450SM (Used on 8hp & 11hp) 1/2" x 87.2"
1664789SM (Used on 16hp & 18hp) 1/2" x 88.6"
_______________________________________________
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Intro/Outro Music: Burnt - Jingle Punks
Today we'll be working on this Allis Chalmers 811 GT II that came into the shop with a Drive Belt issue.
My customer was using this machine to plow his driveway when the drive belt slipped off. He called his nephew who came over to reinstall the drive belt, using the parts diagram for reference so he could reinstall the belt.
However, he didn't know there is an error on the parts diagram, and thus the diagram shows the incorrect routing of the drive belt.
The photo in the Drive Group diagram needs to be mirrored (or flipped horizontally) to produce the correct drive belt routing.
Due to this mistake by Allis Chalmers, my customers nephew installed the belt improperly, which spun the transmission in the opposite direction.
This meant that when my customer shifted into any of the 3 forwards gears, the riding lawn tractor drove in reverse.
In today's video, I'll show you how to properly route the drive belt, as well as how to properly adjust the clutch/brake.
This link will show the incorrect belt routing: partstree.com/models/811-gt-ii-1690452-allis-chalmers-garden-tractor-11hp/drive-group-2
The proper drive belt diagram can be seen at 6:21 on this video.
Drive Belts;
1665450SM (Used on 8hp & 11hp) 1/2" x 87.2"
1664789SM (Used on 16hp & 18hp) 1/2" x 88.6"
_______________________________________________
If you enjoyed the video, hit LIKE & SUBSCRIBE!
New videos every week!
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2ND CHANNEL:
EP Vlogs: youtube.com/channel/UCqati-ozlK-ADoRc6jG0YhQ
GEAR:
Camera: amzn.to/3MqXvUx
Camcorder: amzn.to/3MJqi8n
Tripod: amzn.to/3BMuy0I
Microphone: amzn.to/3Wq4FNp
Cheap Mic: amzn.to/43gcLKN
Old Headphones: amzn.to/45kl6im
New Headphones: amzn.to/3OpK2PD
Headphones for Music: amzn.to/3olPI2t
Editing Software: amzn.to/3OvpR2W
Photoshop: amzn.to/3OxgS1a
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Intro/Outro Music: Burnt - Jingle Punks



![Carburetor Replacement - 10hp Briggs & Stratton [PART 1]
Part 1 of 2!
Today well be replacing a carburetor on a 10hp Briggs and Stratton engine.
Model: 256707-0109-01
The reason Ill be replacing the carb, instead of rebuilding it with a kit, is because the old carburetor is in rough shape & it will be easier & quicker for me to replace it.
OEM Carb: 491604 (Discontinued)
Aftermartker Carb: 491590 ($78 CDN)
In Part 1, we focus on modifying the Aftermarket carb to work on our application.
In Part 2, well be modifying the air box & finishing the installation.
To watch Part 2, you can click here: https://youtu.be/BFUvivy1bIs
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Bitcoin: 1NYgPvcvBWuhGRewsLE4Scy1cbzwndh5hZ
MUSIC:
Intro/Outro Music: Burnt - Jingle Punks Carburetor Replacement - 10hp Briggs & Stratton [PART 1]](https://i.ytimg.com/vi/PaB0gl01mxA/mqdefault.jpg)






