Craftsman
Rear-Engine Riding Mower

Model # 12728877 Official Craftsman zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 12728877 zero-turn riding lawn mower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

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This is the number corresponding to the part on the diagram / schematic

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ALL PARTS
Showing 10 of 600 parts  |

Cap 38061A
#23

Kickplate/seat diagram

Cap

Part #38061A

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

Lawn Tractor Washer 64163-61
Lawn tractor washer

Part #64163-61

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

Lawn Tractor Blade Drive Belt 4144212
#3

Belt-cutterdeck diagram

Lawn tractor blade drive belt

Part #4144212

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

Lawn Tractor Relay, 40-amp 2722325
Lawn tractor relay, 40-amp

Part #2722325

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

Label-h.o.c. 4126611
Label-h.o.c.

Part #4126611

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

Tension Spring 38219
#12

Transaxle diagram

Tension spring

Part #38219

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

Label Blade 2000696
#11

Decals-power unit diagram

Label blade

Part #2000696

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

Chute 4147399
#2

42" side discharge - 127.28876 diagram

Chute

Part #4147399

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

Link Brake 4147116.7
#42

Steering diagram

Link brake

Part #4147116.7

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

Lawn Tractor Hex Bolt 64123-208
Lawn tractor hex bolt

Part #64123-208

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

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: faulty battery, bad alternator…

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Most common repair guides to help fix your riding mowers & tractors

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

How to replace the starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

Repair difficulty
Time required
 30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…

How to clean the air filter in your lawn tractor

How to clean the air filter in your lawn tractor

Cleaning the air filter in a lawn tractor takes just minutes and improves engine performance.…

Riding mower and tractor common questions

Riding mower and tractor common questions

You might find the answers to your questions about your riding mower or lawn tractor in this list of frequently asked qu…

Craftsman
Rear-Engine Riding Mower

Model # 12728877 Official Craftsman zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 12728877 zero-turn riding lawn mower, as well as links to manuals and error code tables, if available.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 600 parts  |

Cap 38061A
#23

Kickplate/seat diagram

Cap

Part #38061A

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

Lawn Tractor Washer 64163-61
Lawn tractor washer

Part #64163-61

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

Lawn Tractor Blade Drive Belt 4144212
#3

Belt-cutterdeck diagram

Lawn tractor blade drive belt

Part #4144212

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

Lawn Tractor Relay, 40-amp 2722325
Lawn tractor relay, 40-amp

Part #2722325

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

Label-h.o.c. 4126611
Label-h.o.c.

Part #4126611

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

Tension Spring 38219
#12

Transaxle diagram

Tension spring

Part #38219

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

Label Blade 2000696
#11

Decals-power unit diagram

Label blade

Part #2000696

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

Chute 4147399
#2

42" side discharge - 127.28876 diagram

Chute

Part #4147399

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

Link Brake 4147116.7
#42

Steering diagram

Link brake

Part #4147116.7

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

Lawn Tractor Hex Bolt 64123-208
Lawn tractor hex bolt

Part #64123-208

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

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: faulty battery, bad alternator…

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Most common repair guides to help fix your riding mowers & tractors

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

How to replace the starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

Repair difficulty
Time required
 30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…

How to clean the air filter in your lawn tractor

How to clean the air filter in your lawn tractor

Cleaning the air filter in a lawn tractor takes just minutes and improves engine performance.…

Riding mower and tractor common questions

Riding mower and tractor common questions

You might find the answers to your questions about your riding mower or lawn tractor in this list of frequently asked qu…