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Jacobsen
Front-Engine Lawn Tractor

Model # LT12 Official Jacobsen lawn tractor

Here are the diagrams and repair parts for Official Jacobsen LT12 lawn tractor, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

Model diagram and schematic

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ALL PARTS
Showing 10 of 225 parts  |
Screw JA-43402-7
#38

Lift, brake and clutch linkage diagram

Screw

Part #JA-43402-7

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

Screw JA-40027-2
#36

Steering linkage diagram

Screw

Part #JA-40027-2

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

Hub Cap JA-37609-0
#51

Frame transaxle and engine diagram

Hub cap

Part #JA-37609-0

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

Bracket JA-33962-7
#36

Cowlings, rear fender and seat assembly diagram

Bracket

Part #JA-33962-7

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

Lock Washer JA-44611-2
#29

Control panel, battery and gas tank diagram

Lock washer

Part #JA-44611-2

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

Screw JA-40026-8
Screw

Part #JA-40026-8

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

Washer JA-44614-8
#28

Frame transaxle and engine diagram

Washer

Part #JA-44614-8

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

Rod JA-37608-6
#13

Lift, brake and clutch linkage diagram

Rod

Part #JA-37608-6

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

Screw JA-40018-8
#32

Cowlings, rear fender and seat assembly diagram

Screw

Part #JA-40018-8

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

Hinge JA-39260-0
#42

Cowlings, rear fender and seat assembly diagram

Hinge

Part #JA-39260-0

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

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

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

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Main causes: faulty battery, bad alternator…

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

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Why won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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Why is the steering loose on my riding mower?

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

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Why does my riding mower creep in neutral?

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

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Why does my riding mower run rough or misfire?

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

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Why won't my riding mower move?

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

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Why is my riding mower not cutting evenly?

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

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