Part Location Diagram of 107-3902 Lawn Boy Cable-traction
See part M-13 in the diagram
( Grid squares measure 1x1 inch )

Cable-traction 107-3902

Manufactured by:
Lawn Boy
ERP Number:
ERP8831840
Part Number:
107-3902
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

Easy 

15 - 30 mins 

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Product Description

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This replacement traction cable is an authentic item that is specially manufactured for Lawn Boy walk-behind lawn mowers. The purpose of the traction cable is to engage the drive wheels on the lawn mower. It is connected to the traction bail and then attached to the traction bracket near the transmission, please see appropriate diagrams for correct location of this item. Note that this high quality rubber insulated cable is sold individually.

Troubleshooting

This part works with the following brands:
  • Lawn Boy
  • Toro
This part works with the following products:
  • Lawn Mower

Customer Part Reviews

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4.9
Average Rating (out of 5):
★★★★★
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(9 Reviews)
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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

15 - 30 mins 

(10 rated repairs) ?
  • 1
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Traction cable had broken at the handle end.

Kurt from North Ogden, Utah

12 of 12 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers, Socket set
Parts Used:
107-3902
Safety: Lawn mower should be turned off before starting, of course. Use gloves, safety glasses, and other personal protective equipment, as needed.

1. Remove trim bag or mulching plug.
2. Remove two screws that hold plastic cover on rear of mower platform.
3. Loosen screw that holds the traction cable clamp near the mower handle.
4. Unhook the spring at the end of the cable from the lever mechanism of the drive belt.
5. Remove old traction cable.
6. Route new cable in the same path the old one was routed.
7. Attach the spring to the drive belt lever.
8. Attach the cable to the traction lever near the mower handle.
9. Tighten the cable clamp near the mower handle.
Note: Test the engagement of the drive belt and adjust the cable position under the clamp so the the belt does not engage when relaxed and engages well when depressed.
10. Replace the plastic cover and screws.
11. Replace the mulch plug or trim bag.
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Rear drive cable broke.

Michael from Lolo, Montana

4 of 4 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
107-3902
Removed broken cable and replaced with new one. Perfect length.
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Drive cable broke

brian from jerrerson hills, Pennsylvania

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers, Socket set
Parts Used:
107-3902
Removed rear cover, two screws and remove broken cable with 10mm socket on the handle. Inserted new cable exactly the way you removed the old one and adjusted the new cable with the 19mm nut. If after you touch down on the personal pace handle and the mower doesn\'t move to good , adjust the cable level so that it get tighter.
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Traction cable top connector broke

Donald from Onalaska, Wisconsin

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers
Parts Used:
107-3902
Removed old cable. Replaced and adjusted tension. (Used Phillips head screw driver to remove cover) (used needle nose
Pliers to compress tabs on black plastic cable anchor to remove old)
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Traction cable broke after 10 years of mower use

Donald from OLMSTED FALLS, Ohio

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Wrench set
Parts Used:
107-3902
Removed old pieces of the broken traction cable.
Followed the online instructions provided by ereplacement web site.
Tested cable tension a little bit and then repair completed.

Need to be willing to get your hands down into the belt area to make lower connection. Hands need to be able to access this area.

Overall, great response from ereplacement for shipping and never missed a lawn cut.
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Top end broken off Tram cable

David from Isom, Kentucky

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers, Wrench set
Parts Used:
107-3902
Loosened cable retainer on top end. Took two screws out of cover plate where cable goes through. Force cable mount out of itGÇÖs mounting bracket. Take cable loose on the lower end. Remove old cable, route and install new cable. The cable mount on the lower end just snaps in from the top. Secure and adjust tram speed on top end.
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Traction Cable broke near the handle, and the Cable Guide also was broken

SUZANNE from LOVELAND, Ohio

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Screw drivers, Socket set
Parts Used:
114-7988, 107-3902
I followed the steps a previous user had posted on replacing the Traction Cable; replacing the Cable Guide required more research. Borrowing from the previous user, here are the steps I took for replacing the two parts:
1. Remove trim bag or mulching plug.
2. Remove two screws that hold plastic cover on rear of mower platform .
3. Loosen nut that holds the traction cable clamp near the mower handle.
4. (First, I took a picture so I would recall the direction of the spring hook in the lever mechanism of the drive belt.) Unhook the spring at the end of the cable from the lever mechanism of the drive belt.
5. The Traction Cable is locked-in-place by threading through a guide hole; I used needle-nose pliers to squeeze the tabs in, in order to slide the cable back out of that hole. This looks to be a standard feature to lock-in-place when a cable is threaded through a hole, but this was the first time I had worked on a cable; knowing how to disengage this lock in order to pull the cable back through the hole is very important.
6. I now paused in the Traction Cable removal process, in order to begin the Cable Guide replacement process. I disengaged the S-link at the engine end of the Brake Cable.
7. In order to pull the Brake Cable through the hole in the bracket, I used needle-nose pliers to squeeze the tabs in.
8. I slid the broken Cable Guide off of the two cables.
9. I snapped the post of the new Cable Guide into place on the Lower Tube.
10. I threaded the Brake Cable through the Cable Guide, then through the hole where the tabs will lock, and reattached the S-link.
11. Remove old traction cable.
12. The new Traction Cable needs the spring attached to the drive-belt lever, and the cable lock (with the tabs) needs to be pulled through that hole. (I don\'t remember which one I did first, or if it matters.)
13. Route new cable through the Cable Guide, by the same path the old one was routed.
14. Attach the cable to the traction lever near the mower handle.
15. Tighten the cable clamp near the mower handle.
Note: Test the engagement of the drive belt and adjust the cable position under the clamp so the the belt does not engage when relaxed and engages well when depressed.
16. Replace the plastic cover and screws.
17. Replace the mulch plug or trim bag.
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Self propelled cable broke.

Dwight from Dinkirk, Indiana

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Pliers, Screw drivers
Parts Used:
107-3902
I removed the old cable, then installed the new one just like the old one was.
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Broken cable

David from Northampton , Pennsylvania

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers, Socket set, Wrench set
Parts Used:
107-3902
I looked how the old cable was attach at both ends.
Then installed the new cable
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Cable traction broke.

Thomas from Davenport, Iowa

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Wrench (Adjustable)
Parts Used:
107-3902
Just replaced the cable and made the necessary tension adjustments.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP8831840
Manufacturer Part Number: 107-3902
Brand Model Number Description
Lawn Boy 10665 Lawn Mower - Insight Lawn Mower
Lawn Boy 10665C Lawn Mower - Insight Lawn Mower
Lawn Boy 10666 Lawn Mower - Insight Lawn Mower
Lawn Boy 10666C Lawn Mower - Insight Lawn Mower
Lawn Boy 10672 Lawn Mower - Insight Gold Lawn Mower
Lawn Boy 10673 Lawn Mower - Insight Gold Lawn Mower
Lawn Boy 10685 Lawn Mower - Insight Lawn Mower
Lawn Boy 10686 Lawn Mower - Insight Lawn Mower
Lawn Boy 10686C Lawn Mower - Insight Lawn Mower
Lawn Boy 10687 Lawn Mower - Insight Lawn Mower
Lawn Boy 10695 Lawn Mower - Insight Gold Lawn Mower
Lawn Boy 10696 Lawn Mower - Insight Gold Lawn Mower
Lawn Boy 10696C Lawn Mower - Insight Gold Lawn Mower
Lawn Boy 10697 Lawn Mower - Insight Gold Lawn Mower
Lawn Boy 10995 Lawn Mower - Insight Gold Lawn Mower
Lawn Boy 10996 Lawn Mower - Insight Lawn Mower
Lawn Boy 10997 Lawn Mower - Insight Gold Lawn Mower
Lawn Boy 10998 Lawn Mower - Insight Lawn Mower
Toro 448 Lawn Mower - 448/Serial: 448f311000001-448f311999999/2011
Toro 448E Lawn Mower - 448e/Serial: 290001000-290999999
Toro 448F Lawn Mower - 448f/Serial: 310000001-310999999