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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
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
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
Plug 150800
#108

Hydro-gear transaxle diagram

Plug

Part #150800

Replaced by #582976201

?
Manufacturer substitution
This part replaces 150800. Substitute parts can look different from the original.
$10.26
In Stock
Spring.neutr 184702
#46

Hydro-gear transaxle diagram

Spring.neutr

Part #184702

Replaced by #583135901

?
Manufacturer substitution
This part replaces 184702. 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
Screw O-ring 169548
#157

Hydro-gear transaxle diagram

Screw o-ring

Part #169548

Replaced by #583031901

?
Manufacturer substitution
This part replaces 169548. Substitute parts can look different from the original.
$10.26
In Stock
Screw.thes 178787
#92

Hydro-gear transaxle diagram

Screw.thes

Part #178787

Replaced by #583087801

?
Manufacturer substitution
This part replaces 178787. Substitute parts can look different from the original.
$11.97
In Stock

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