The Mitsubishi S4L2-Y461ML is a 1.8 L 4-cylinder natural engine rated at 1800 rpm, producing up to 16.6 kW. It powers generator sets from Generac, Magnum and Mitsubishi, including the MLG 15, MLG 15 and MLG 15.
Also known as: Mitsubishi S4L2-Y461ML
Part of the Mitsubishi S4L2 engine family — 7 variants share parts & fitment.
| Displacement | 1.8 L |
|---|---|
| Cylinders | 4 |
| Aspiration | natural |
| Rated speed | 1800 rpm |
| Gross power | 16 kW |
Shared across brands: Generac, Magnum, Mitsubishi
Compiled from service & troubleshooting documentation across every generator set that uses the Mitsubishi S4L2-Y461ML.
| Part # | Description | Category |
|---|---|---|
| 042418 | Dinse-Style Connector Kit Accepts #4 to #1/0 AWG cable. Kit includes one male Dinse-style plug which attaches to the work and/or weld cables and plugs into the Dinse-style receptacles on the power source. | cable_connector |
| 191981 | Tweco®-Style Connector Accepts #1/0 to #2/0 AWG cable. Kit includes one male Tweco-style plug which attaches to the work and/or weld cables and plugs into the Tweco-style receptacles on the power source. | cable_connector |
| 210061 | Tweco®/Dinse Adapter One-piece adapter with a male Tweco-style plug (to power source) on one end and a female Dinse-style receptacle (for weld cable connection) on other end. | cable_connector |
| 301611 | Universal Connector Kits Tweco®-style receptacles 301595 Dinse-style receptacles Includes receptacles, wrench and electrical joint compound. | cable_connector |
| 043947 | FA-1D Lockable Flame Arrestor Fuel Cap Fuel cap can be padlocked to prevent vandalism. A built-in flame arrestor prevents flames or sparks from entering the fuel tank. | fa_1d_lockable_flame_arrestor_fuel_cap_fuel_cap_can_be_padlocked_to_prevent_vandalism_a_built_in_flame_arrestor_prevents_flames_or_sparks_from_entering_the_fuel_tank |
| 300585 | FA-1D Lockable Flame Arrestor Fuel Cap | fuel_filter |
| 252782 | Engine Filter Kit Includes all filters required for proper engine maintenance. Oil filter, primary and secondary fuel filter, and primary air filter. | oil_filter |
| 042419 | SCREW RHM 10-32 X 4 | other_service |
| 119172 | 1-phase, 120/240 V, 50 A plug (NEMA 14-50P) to fit full KVA receptacle. | other_service |
| 151086 | RCC-14 Remote Contactor and Current Control | other_service |
| 195301 | Blue water-resistant cover with Miller logo resists stains and mildew, and protects the finish of your welder. | other_service |
| 209649 | Form: SFC626B | other_service |
| 242211020 | RHC-14 Hand Control | other_service |
| 301582 | Wireless Remote Hand Control - Wireless antenna kit 300749 recommended | other_service |
| 907529 | Spectrum® 375 X-TREME™ See literature PC/9.2 | plasma_cutter |
| 907579 | Spectrum® 625 X-TREME™ with 12-foot (3.7 m) torch See literature PC/9.6 | plasma_cutter |
| 907579001 | Spectrum® 625 X-TREME™ with 20-foot (6.1 m) torch See literature PC/9.6 | plasma_cutter |
| 043688 | RCCS-14 Remote Current Control* North/south rotary-motion fingertip control attaches to TIG torch using two hook-and-loop fasteners. Includes 26.5-foot (8 m) cord and 14-pin plug. | remote_control |
| 194744 | RFCS-14 HD Foot Control* Heavy-duty foot current control. Includes 20-foot (6 m) cord and 14-pin plug. | remote_control |
| 195511 | PRHC-14 Hand Control* Complete current control brings 120 volts of GFCI power to work area in a single cord. Housed in a durable and light aluminum case and includes 125-foot (38 m) cord with plugs. | remote_control |
| 301580 | Wireless Remote Foot Control* For remote current control. Receiver plugs directly into the 14-pin receptacle of Miller machine. 90-foot (27.4 m) operating range. Wireless antenna kit 300749 is recommended. | remote_control |
| 195196 | No. 2 Stick Cable Set, 15 ft. (4.6 m) Consists of 15-foot (4.6 m) No. 2 electrode cable with holder, and 15-foot (4.6 m) work cable with clamp. 200 A, 100% duty cycle. | stick_cable |
| 300836 | No. 2 Stick Cable Set, 50 ft. (15 m) Consists of 50-foot (15 m) No. 2 electrode cable with holder, and 50-foot (15 m) work cable with clamp. 200 A, 100% duty cycle. | stick_cable |
| 043952 | 2/0 Stick Cable Set, 100/50 ft. (30.5/15 m) Consists of 100-foot (30.5 m) 2/0 electrode cable with holder, and 50-foot (15 m) work cable with clamp. 300 A, 100% duty cycle. | stick_cable_set |
| 173851 | 2/0 Stick Cable Set, 50 ft. (15 m) Consists of 50-foot (15 m) 2/0 electrode cable with holder, and 50-foot (15 m) work cable with clamp. 350 A, 100% duty cycle. | stick_cable_set |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.
The Mitsubishi S4L2-Y461ML has a displacement of 1.8 liters with 4 cylinders.
The Mitsubishi S4L2-Y461ML powers 3 generator set(s), including Generac MLG 15, Magnum MLG 15, Mitsubishi MLG 15.
A commonly reported issue on generators using the Mitsubishi S4L2-Y461ML is: Low Oil Pressure Shutdown. Cause: Low oil level, Oil leaking from engine, Oil pressure sender. Fix: Check oil level on dipstick. Add oil if needed. Visually inspect the engine for leaks. Restart unit and verify loss of pressure. Shut down immediately if pressure does not reach 5 psi (34 kPa) within five seconds. See engine operator’s manual to identify corrective action..