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Hydro-Gear
Engine & Drivetrain

Model # 311-3500 Official Hydro-Gear transaxle

Here are the diagrams and repair parts for Official Hydro-Gear 311-3500 transaxle, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 113 parts  |
Lawn Tractor Transaxle Sealant 178322
#79

Hydro-gear transaxle diagram

Lawn tractor transaxle sealant

Part #178322

$76.42
In Stock
Filter 178321
#55

Hydro-gear transaxle diagram

Filter

Part #178321

Replaced by #583087401

?
Manufacturer substitution
This part replaces 178321. Substitute parts can look different from the original.
$94.27 | 
6% OFF Phone Price : $100.27
In Stock
Seal.1" (507 161157
#75

Hydro-gear transaxle diagram

Seal.1" (507

Part #161157

Replaced by #583000201

?
Manufacturer substitution
This part replaces 161157. Substitute parts can look different from the original.
$24.09 | 
20% OFF Phone Price : $30.09
In Stock
Compression 170417
#151

Hydro-gear transaxle diagram

Compression

Part #170417

Replaced by #583001401

?
Manufacturer substitution
This part replaces 170417. Substitute parts can look different from the original.
This item is not returnable
$8.54
In Stock
Washer 169545
#144

Hydro-gear transaxle diagram

Washer

Part #169545

Replaced by #583031601

?
Manufacturer substitution
This part replaces 169545. Substitute parts can look different from the original.
$17.11
In Stock
Return Arm 178318
#34

Hydro-gear transaxle diagram

Return arm

Part #178318

Replaced by #583087201

?
Manufacturer substitution
This part replaces 178318. Substitute parts can look different from the original.
$38.64
In Stock
Ball Bearing 169535
#74

Hydro-gear transaxle diagram

Ball bearing

Part #169535

Replaced by #583031301

?
Manufacturer substitution
This part replaces 169535. Substitute parts can look different from the original.
$66.64
In Stock
Bolt.hex.1/4 193020
#132

Hydro-gear transaxle diagram

Bolt.hex.1/4

Part #193020

Replaced by #584281401

?
Manufacturer substitution
This part replaces 193020. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Bearing.30x5 173159
#11

Hydro-gear transaxle diagram

Bearing.30x5

Part #173159

Replaced by #532150771

?
Manufacturer substitution
This part replaces 173159. Substitute parts can look different from the original.
$39.98
In Stock
Bearing 142934
#8

Hydro-gear transaxle diagram

Bearing

Part #142934

Replaced by #532122745

?
Manufacturer substitution
This part replaces 142934. Substitute parts can look different from the original.
$101.96
In Stock

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