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Hydro-Gear
Engine & Drivetrain

Model # 311-0510 Official Hydro-Gear tractor transaxle/tranmission

Here are the diagrams and repair parts for Official Hydro-Gear 311-0510 tractor transaxle/tranmission, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 94 parts  |
Spiral Retaining Ring HG-44871
#40

Hydro gear diagram

Spiral retaining ring

Part #HG-44871

Replaced by #44871

?
Manufacturer substitution
This part replaces HG-44871. Substitute parts can look different from the original.
This item is not returnable
$3.39 | 
23% OFF Phone Price : $4.39
In Stock
Lip Seal Axle HG-51066
#34

Hydro gear diagram

Lip seal axle

Part #HG-51066

Replaced by #51066

?
Manufacturer substitution
This part replaces HG-51066. Substitute parts can look different from the original.
This item is not returnable
$7.03
In Stock
Lawn & Garden Equipment Cotter Pin 914-0507
#70

Hydro gear diagram

Lawn & garden equipment cotter pin

Part #914-0507

This item is not returnable
$7.26
In Stock
Lawn Tractor Brake Pad (replaces 717-0678) 917-0678
#60

Hydro gear diagram

Lawn tractor brake pad (replaces 717-0678)

Part #917-0678

This item is not returnable
$9.67 | 
9% OFF Phone Price : $10.67
In Stock
Plate Puck 917-0682
#61

Hydro gear diagram

Plate puck

Part #917-0682

$10.59
In Stock
Lawn & Garden Equipment Flat Washer 736-0371
#73

Hydro gear diagram

Lawn & garden equipment flat washer

Part #736-0371

This item is not returnable
$7.26
In Stock
Nut-hex Ins 912-0273
#69

Hydro gear diagram

Nut-hex ins

Part #912-0273

This item is not returnable
$7.40
In Stock
Control Arm HG-51119
#18

Hydro gear diagram

Control arm

Part #HG-51119

Replaced by #51119

?
Manufacturer substitution
This part replaces HG-51119. Substitute parts can look different from the original.
$31.79 | 
14% OFF Phone Price : $36.79
In Stock
Oil Seal HG-70719
#74

Hydro gear diagram

Oil seal

Part #HG-70719

Replaced by #70719

?
Manufacturer substitution
This part replaces HG-70719. Substitute parts can look different from the original.
This item is not returnable
$13.43
In Stock
Wire Retainer Ring HG-2000022
#10

Hydro gear diagram

Wire retainer ring

Part #HG-2000022

Replaced by #2000022

?
Manufacturer substitution
This part replaces HG-2000022. Substitute parts can look different from the original.
This item is not returnable
$2.57
In Stock

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