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McCulloch
Gas Line Trimmer

Model # TITAN 3900 11-400070-01 Official McCulloch trimmer

Here are the diagrams and repair parts for Official McCulloch TITAN-3900-11-400070-01 trimmer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 171 parts  |
Contact 228139
#50

Engine assembly diagram

Contact

Part #228139

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

Screw-phl M5 216795
#14

Shaft/shield/cutter assembly diagram

Screw-phl m5

Part #216795

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

Retaining Ring 235008
#45

Engine assembly diagram

Retaining ring

Part #235008

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

Fuel Tank Assembly 227787
#16

Engine assembly diagram

Fuel tank assembly

Part #227787

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

Collar - 1" 225053-01
#4

Shaft/shield/cutter assembly diagram

Collar - 1"

Part #225053-01

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

Clamp Muffler 227236
#29

Engine assembly diagram

Clamp muffler

Part #227236

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

Starter Rope 227703
#69

Engine assembly diagram

Starter rope

Part #227703

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

Housing Td D 240521
#73

Shaft/shield/cutter assembly diagram

Housing td d

Part #240521

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

Fuel Hose 227139
#19

Engine assembly diagram

Fuel hose

Part #227139

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

Gasket Fuel Cap 94707
#22

Engine assembly diagram

Gasket fuel cap

Part #94707

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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Repair guides for gas line trimmers

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

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How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

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Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

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

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

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