Monarch Industries Water Pump MIG Self Priming Semi-Trash Pump & Repair Parts
Monarch Industries Water Pump MIG Self Priming Semi-Trash Pump: Heavy-Duty Self-Priming Semi-Trash Pumps
The Monarch Industries Water Pump MIG Series represents the gold standard in heavy-duty fluid transfer. Engineered for rigorous industrial and marine environments, these pumps feature all-iron construction designed to withstand the toughest operating conditions. Whether you need a reliable semi-trash pump for dewatering construction sites or a high-capacity pump for marine installations, the Monarch Industries MIG Series delivers exceptional and consistent performance.
These engine-driven pumps are powered by industry-leading engines from Vanguard, Honda, and Kohler, ensuring reliable startup and steady power output across demanding applications. Designed to handle fluids containing small quantities of mud, sand, or silt up to 10 percent by volume, the Monarch Industries Water Pump MIG Series bridges the gap between standard centrifugal pumps and full trash pumps, making it the ideal choice when fluid conditions fall somewhere in between.
Key Features and Benefits
- Robust Cast Iron Construction: The casing is crafted from rugged gray iron with a large capacity design that facilitates faster priming. Its self-cleaning interior geometry prevents silt buildup, ensuring long-term durability.
- Semi-Open Impeller: The cast iron, non-clogging impeller is specifically designed for water transfer but is tough enough to handle mud, sand, and silt up to 10% by volume.
- Maintenance-Free Mechanical Seal: Features a Viton and stainless steel seal with carbon-ceramic faces. It is mechanically self-lubricating, requiring absolutely no maintenance.
- Easy Priming System: Equipped with a dedicated priming plug, allowing you to prime the system without disconnecting discharge piping.
- Built-in Check Valve: The threaded NPT suction inlet includes a built-in check valve to prevent syphoning and facilitate rapid re-priming.
- Replaceable Wear Plate: To maintain maximum pump efficiency over years of service, the steel wear plate is easily replaceable.
Industrial and Marine Applications
The Monarch MIG Series is versatile and suited for a wide variety of heavy-duty applications:
- Industrial Dewatering: Quickly move water from flooded basements, construction trenches, and utility vaults.
- Marine Installations: Ideal for bilge pumping, wash-down applications, and general water transfer on barges or vessels.
- Agricultural Irrigation: Reliable water movement for field irrigation and transfer.
- Emergency Flood Control: High-volume capacity makes it an essential tool for flood management.
Technical Specifications: Engine Driven Pumps
| Model No. | Item No. | Engine | Size | Starter | HP | Fuel Tank | Low Oil Shut Off | Ship Wt. (lbs.) |
|---|---|---|---|---|---|---|---|---|
| MIG-30-13V | 607712 | Vanguard | 3″ x 3″ | Recoil | 13 | 7.5 qt. | YES | 270 |
| MIG30-13HES | 607714 | Honda 6X610 | 3″ x 3″ | Electric | 13 | 6.9 qt. | YES | 270 |
| MIG40-18K | 607715 | Kohler | 4″ x 4″ | Electric | 18 | – | YES | 320 |
| MIG40-27K | 607720 | Kohler | 4″ x 4″ | Electric | 27 | – | YES | 320 |
Dimensional Data (Inches)
| Model No. | H | K | M | N | O | Q | R |
|---|---|---|---|---|---|---|---|
| MIG30-13V | 12.75 | 20.35 | 11.61 | 18.00 | 15.85 | – | 23.07 |
| MIG30-13H | 12.75 | 17.25 | 11.50 | 17.50 | 15.85 | – | 24.60 |
| MIG40-18K | 15.50 | 17.74 | 8.87 | 28.25 | 26.31 | 21.37 | 29.95 |
| MIG40-27K | 15.50 | 17.74 | 8.87 | 28.25 | 26.31 | 21.37 | 29.95 |
Repair Parts List: MIG Series Pumps
Use the tables below to identify replacement parts.
Model Key:
a = MIG-30
b = MIG40-18K
c = MIG40-25K
d = MIG40-27K
Pump Components
| Ref.# | Code # | Qty (a) | Qty (b) | Qty (c) | Qty (d) | Description |
|---|---|---|---|---|---|---|
| 1 | 416630 | 1 | – | – | – | Casing |
| 1 | 419560 | – | 1 | 1 | 1 | Casing |
| 2 | 416662 | 1 | – | – | – | Adapter |
| 2 | 419632 | – | 1 | 1 | 1 | Adapter |
| 3 | 416658 | 1 | – | – | – | Impeller |
| 3 | 416659 | – | 1 | – | – | Impeller |
| 3 | 416657 | – | – | 1 | 1 | Impeller |
| 4 | 416660 | 1 | – | – | – | Check Valve |
| 4 | 419600 | – | 1 | 1 | 1 | Check Valve |
| 5 | 191380 | 1 | – | – | – | Valve Rubber |
| 5 | 191460 | – | 1 | 1 | 1 | Valve Rubber |
| 6 | 016670 | 1 | 1 | 1 | 1 | Bottom Weight |
| 7 | 013140 | 1 | – | – | – | Top Weight |
| 7 | 019610 | – | 1 | 1 | 1 | Top Weight |
| 8 | 266004 | 1 | – | – | – | Sleeve |
| 8 | 266013 | – | 1 | 1 | 1 | Sleeve |
| 9 | 240359 | 1 | – | – | – | Mechanical Seal MS-59 |
| 9 | 240362 | – | 1 | 1 | 1 | Mechanical Seal MS-62 |
Engine & Mounting Components
| Ref.# | Code # | Qty (a) | Qty (b) | Qty (c) | Qty (d) | Description |
|---|---|---|---|---|---|---|
| 10 | 201966 | 1 | – | – | – | Engine B/S Vanguard 13 HP |
| 10 | 202253 | – | 1 | – | – | Engine Kohler 18 HP |
| 10 | 202254 | – | – | 1 | – | Engine Kohler 25 HP |
| 10 | 202259 | – | – | – | 1 | Engine Kohler 27 HP |
| 11 | 432975 | 1 | – | – | – | Base Plate |
| 11 | 432968 | – | 1 | 1 | 1 | Base Plate |
| 12 | 432973 | N/A | 2 | 2 | 2 | Channel |
| 13 | 185810 | 1 | 1 | 1 | 1 | Pipe Plug, 3″ NPT |
| 14 | 185650 | 1 | 1 | 1 | 1 | Pipe Plug, 3/4″ NPT Galv. |
| 15 | 194140 | 1 | – | – | – | Flinger |
| 15 | 190846 | – | 1 | 1 | 1 | Flinger |
| 16 | 430420 | 1 | – | – | – | Wear Plate |
| 16 | 419710 | – | 1 | 1 | 1 | Wear Plate |
| 17 | 143980 | 2 | 3 | 3 | 3 | Screw, 1/4″ UNC x 3/4″ |
| 18 | 170641 | 6 | 6 | 6 | 6 | Stud, 1/2″ UNC x 1 3/4″ ZP |
| 19 | 226710 | 4 | – | – | – | Bolt, 1/2″ UNC x 3 |
| 19 | 227080 | – | 4 | 4 | 4 | Bolt, 5/8″ UNC x 2 3/4″ |
| 20 | 176230 | 4 | 4 | 4 | 4 | Spring Washer, 3/8″ |
| 21 | 198508 | 4 | – | – | – | O-ring 1/4″ x 3/8″ |
| 21 | 176240 | – | 4 | 4 | 4 | Spring Washer, 7/16″ |
| 22 | 176250 | 6 | 14 | 14 | 14 | Spring Washer, 1/2″ |
| 23 | 225751 | 1 | – | – | – | Bolt, 1/4″ UNC x 1 |
| 23 | 225980 | – | 1 | 1 | 1 | Bolt, 5/16″ UNC x 1 |
| 24 | 225967 | 4 | – | – | – | Bolt, 5/16″ UNF x 1 1/4 |
| 24 | 226430 | – | 4 | 4 | 4 | Bolt, 7/16″ UNF x 1 1/4 |
| 25* | 226630 | N/A | 4 | 4 | 4 | Bolt, 1/2″ UNC x 1 |
| 26* | 226660 | N/A | 4 | 4 | 4 | Bolt, 1/2″ UNC x 1 1/4 |
| 27 | 128880 | 1 | – | – | – | Nut, 1/4″ UNC |
| 27 | 227820 | – | 1 | 1 | 1 | Nut, 5/16″ UNC |
| 28 | 227830 | 4 | 4 | 4 | 4 | Nut, 3/8″ UNC |
| 29 | 227850 | 6 | 14 | 14 | 14 | Nut, 1/2″ UNC |
| 30 | 174591 | 1 | N/A | N/A | N/A | Plain Washer, 1/4″ SST |
| 31 | 226240 | 4 | – | – | – | Bolt, 3/8″ UNC x 1 3/4 |
| 31 | 226230 | – | 4 | 4 | 4 | Bolt, 3/8″ UNC x 1 1/2 |
| 32 | 174986 | 8 | N/A | N/A | N/A | Plain Washer, 3/8″ |
| 33 | 191390 | 1 | – | – | – | Gasket |
| 33 | 191480 | – | 1 | 1 | 1 | Gasket |
| 34 | 432082 | 1 | – | – | – | Key 1/4 x 1 1/4 |
| 34 | 432090 | – | 1 | 1 | 1 | Key 1/4 x 2 |
| 35 | 400197 | 1 | – | – | – | Washer |
| 35 | 400199 | – | 1 | 1 | 1 | Washer |
| 36 | 120239 | 1 | – | – | – | Bolt, 7/16″ UNF x 1 |
| 36 | 120261 | – | 1 | 1 | 1 | Bolt, 7/16″ UNF x 2 |
Frequently Asked Questions (FAQ)
Q: What materials can the Monarch MIG Series pumps handle?
A: These pumps are designed for water but can also handle small quantities of mud, sand, or silt up to 10% by volume, making them effective semi-trash pumps.
Q: Do the electric start models come with a battery?
A: No, the battery and cables are not included with the electric start models (MIG30-13HES, MIG40-18K, MIG40-27K).
Q: Does the pump require seal maintenance?
A: No. The MIG Series uses a Viton and stainless steel mechanical seal with carbon-ceramic faces that is self-lubricating and requires no maintenance.
Q: How do I prime the Monarch MIG pump?
A: These pumps feature a priming plug that allows you to fill the casing without disconnecting discharge piping. The built-in check valve also helps prevent syphoning to facilitate easier priming.