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Hydro-Gear
Engine & Drivetrain

Model # ZT2800 Official Hydro-Gear transaxle

Here are the diagrams and repair parts for Official Hydro-Gear ZT2800 transaxle, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 81 parts  |
Oil Filter 421186
#23

Transaxle-left hand diagram

Oil filter

Part #421186

Replaced by #539113466

?
Manufacturer substitution
This part replaces 421186. Substitute parts can look different from the original.
$35.09 | 
15% OFF Phone Price : $41.09
In Stock
Lawn Tractor Transaxle Oil Filter (replaces Hg-52114, Hg-52114p) 52114
#23

Transaxle-right hand diagram

Lawn tractor transaxle oil filter (replaces hg-52114, hg-52114p)

Part #52114

This item is not returnable
$23.79 | 
20% OFF Phone Price : $29.79
In Stock
Bolt 51630
Bolt

Part #51630

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

Main Housing Kit 71413
#1

Transaxle-right hand diagram

Main housing kit

Part #71413

$215.31
In Stock
Thrust Bearing 50551
Thrust bearing

Part #50551

$23.83
In Stock
Geroter Assembly 50273
Geroter assembly

Part #50273

$28.87
In Stock
Hub Assembly 71446
Hub assembly

Part #71446

$80.04
In Stock
Retainer Ring 51628
Retainer ring

Part #51628

This item is not returnable
$2.71
In Stock
Craftsman Washer 44130
Craftsman washer

Part #44130

This item is not returnable
$2.26
In Stock
Craftsman Ball Bearing 44121
Craftsman ball bearing

Part #44121

$26.89
In Stock

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

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Why isn't my range working?

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

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Why is my range's oven temperature wrong?

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

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Why doesn't my range's oven broiler work?

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

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Why won't my range's oven bake?

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

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Why can't I unlock my range's oven door?

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

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How do I get rid of streaks on my range's oven window?

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

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Why won't my range's oven heat?

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

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Most common repair guides to help fix your ranges

These step-by-step repair guides will help you safely fix what’s broken on your range.

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How to replace a range oven door switch

How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

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Repair difficulty
Time required
 30 minutes or less
How to replace a range oven door lock assembly

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your ranges

Use the advice and tips in these articles and videos to get the most out of your range.

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How to clean and maintain your stove

How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

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Oven door won't open: troubleshooting door lock problems on a range video

Oven door won't open: troubleshooting door lock problems on a range video

Troubleshoot and repair problems with your range when your oven door locks shut and you can't get it open.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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