| Tool Number | Category | Description | App. | Vehicle Info |  |
| J-44087 | Air Intake System - Charge Air Cooler | CHARGE AIR COOLER ALIGNMENT | Marine Engines | Maintenance |  |
| BT-3372-MTU | Basic Engine - Gear Train & Engine Timing | SERIES 4000 FAN CLUTCH BELT GAUGE | | Maintenance | |
| J-42730 | Basic Engine - Cylinder Head | CYLINDER HEAD LIFTING FIXTURE | | Overhaul |  |
| J-42735 | Basic Engine - Crankshaft | REAR CRANKSHAFT SEAL INSTALLER | | Overhaul | |
| J-42736 | Basic Engine - Crankshaft | FRONT CRANKSHAFT HUB SEAL INST | | Overhaul | |
| J-42954 | Basic Engine - Cylinder Head | CYLINDER HEAD GUIDE STUDS | | Overhaul | |
| J-42955 | Basic Engine - Cylinder Head | CYLINDER HEAD ALIGNMENT BAR | | Overhaul | |
| J-44094 | Basic Engine - Camshaft | FIXTURE, CAMSHAFT DOWEL TIMING | | Overhaul | |
| J-44199 | Basic Engine - Camshaft | INSTALLER, MAIN BEARING | | Overhaul | |
| J-42929 | Electronics - Electronic Engine Control | MDEC TO COMPUTER 20FT CABLE | | Maintenance | |
| J-45809 | Electronics - Electronic Engine Control | HARNESS,S4000 REPROGRAMMING | | Maintenance | |
| J-42726 | Engine - Piston and Connecting Rod Assembly | ROD BEARING ADJUSTING TOOL | | Overhaul | |
| J-42727 | Engine - Piston and Piston Rings | PISTON RING COMPRESSOR | | Overhaul | |
| J-42729 | Engine - Cylinder Block & Liner | CYLINDER LINER INSTALLER | | Overhaul | |
| J-42733 | Engine - Crankshaft | REAR CRANKSHAFT FLANGE INSTALLER | | Overhaul | |
| J-42734 | Engine - Flywheel | FLYWHEEL HOUSING ALIGNMENT TOOL | | Overhaul | |
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