Lawn & Garden Engine

Model # 550E785 Official Sears diesel engine

Here are the diagrams and repair parts for Official Sears 550E785 diesel engine, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

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

Browse Parts for
550E785 Diesel Engine
Disc 19 50017600
#30

Flange diagram

Disc 19

Part #50017600

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

Rubber Bed Plate 1610104
#17

Fuel tank diagram

Rubber bed plate

Part #1610104

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

Pushrod Sub-assy 280902AU
#9A

Cam shaft diagram

Pushrod sub-assy

Part #280902AU

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

Intermediate Housing 246402
#25

Flange diagram

Intermediate housing

Part #246402

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

Strap 40028900
#69

Dynamo starter diagram

Strap

Part #40028900

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

1:1,8 (fast) 40039600
#60N

Flange diagram

1:1,8 (fast)

Part #40039600

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

Shaft For Decompression 166218
#41

Dynamo starter diagram

Shaft for decompression

Part #166218

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

Cap Screw 40032700
#2

Fuel tank diagram

Cap screw

Part #40032700

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

Joint A8x12 50000900
#11

Fuel tank diagram

Joint a8x12

Part #50000900

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

Console Sub-assy (speed-control W/toothed Segment) Consist. Of Item-nos. 75-79 1610608AU
#74A

Flange diagram

Console sub-assy (speed-control w/toothed segment) consist. of item-nos. 75-79

Part #1610608AU

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…