Can’t find your part? Contact us:

+1-309-603-4777

Gas Line Trimmer

Model # PRO-MAC 11-400056-04 Official McCulloch trimmer

Here are the diagrams and repair parts for Official McCulloch PRO-MAC-11-400056-04 trimmer, 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

ALL PARTS

Showing 10 of 128 parts |

Rotor 215536

Engine assembly diagram

Rotor

Part #215536

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

Screw 213178

Engine assembly diagram

Screw

Part #213178

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

Seal 83859

Engine assembly diagram

Seal

Part #83859

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

Carburetor-z 322739-01

Carburetor assembly diagram

Carburetor-z

Part #322739-01

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

Trigger Pin 218491

General assembly diagram

Trigger pin

Part #218491

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

Flywheel 222308

Engine assembly diagram

Flywheel

Part #222308

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

Starter Spring 300474

General assembly diagram

Starter spring

Part #300474

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

Screw-hex 10 111127

Engine assembly diagram

Screw-hex 10

Part #111127

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

Grade Wire Assembly 301108

Grade wire assembly

Part #301108

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

Hose-fuel Pi 225011

General assembly diagram

Hose-fuel pi

Part #225011

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.

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…

Why won't my gas line trimmer start?

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

Why does my gas line trimmer leak gas?

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

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.

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…

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 …

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…

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.

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.…

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…

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.…

Stay Connected