Tuff Torq
Engine & Drivetrain

Model # 917K66Y Official Tuff Torq transaxle - k66y

Here are the diagrams and repair parts for Official Tuff Torq 917K66Y transaxle - k66y, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 38 parts  |

Pulley 414414
#154

Transaxle diagram

Pulley

Part #414414

The manufacturer no longer makes this part, and there's no substitute part

Fan.187q0083 414218
#153

Transaxle diagram

Fan.187q0083

Part #414218

Replaced by #583347501

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Manufacturer substitution
This part replaces 414218. Substitute parts can look different from the original.
$31.79
22% OFF MSRP : $41.00
In Stock
Roll.oin.6*4 414197
#54

Transaxle diagram

Roll.oin.6*4

Part #414197

This item is not returnable
In Stock
Control Lever 414196
#51

Transaxle diagram

Control lever

Part #414196

In Stock
Switch Plate 414206
#116

Transaxle diagram

Switch plate

Part #414206

In Stock
Seal.tc.1626 414198
#59

Transaxle diagram

Seal.tc.1626

Part #414198

In Stock
Brake Lever 414203
#85

Transaxle diagram

Brake lever

Part #414203

In Stock
Seal (s25.4* 414202
#81

Transaxle diagram

Seal (s25.4*

Part #414202

Replaced by #583346301

?
Manufacturer substitution
This part replaces 414202. Substitute parts can look different from the original.
In Stock
Tapping Screw 414211
#141

Transaxle diagram

Tapping screw

Part #414211

Replaced by #583347001

?
Manufacturer substitution
This part replaces 414211. Substitute parts can look different from the original.
This item is not returnable
In Stock
Return Brake 414204
#86

Transaxle diagram

Return brake

Part #414204

Replaced by #583346501

?
Manufacturer substitution
This part replaces 414204. Substitute parts can look different from the original.
In Stock

Symptoms for gas walk-behind mowers

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Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
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 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
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 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 minutes or less

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